2000 Federal Register, 4770; Centralized Library: U.S. Fish and Wildlife Service

[Federal Register: February 1, 2000 (Volume 65, Number 21)]
[Rules and Regulations]
[Page 4770-4779]
From the Federal Register Online via GPO Access [wais.access.gpo.gov]
[DOCID:fr01fe00-9]

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DEPARTMENT OF THE INTERIOR

Fish and Wildlife Service

50 CFR Part 17

RIN 1018-AE20

Endangered and Threatened Wildlife and Plants; Determination of
Endangered Status for Blackburn's Sphinx Moth from the Hawaiian Islands

AGENCY: Fish and Wildlife Service, Interior.

ACTION: Final rule.

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SUMMARY: We, the U.S. Fish and Wildlife Service (Service), determine
Manduca blackburni, the Blackburn's sphinx moth, to be an endangered
species under the Endangered Species Act of 1973, as amended (Act).
Historically, this species occurred on the Hawaiian islands of Kauai,
Oahu, Molokai, Maui, and Hawaii, but until

[[Page 4771]]

recently, was known only from one population on Maui. Researchers
observed a second population on Maui in 1992, and populations are now
known to also occur on the islands of Kahoolawe and Hawaii. This moth
is currently threatened by one or more of the following: habitat
fragmentation and destruction due to development and agricultural
practices resulting in the loss of its host plants, habitat degradation
due to the effects of introduced animals and plants, predation,
parasitism, competition for food or space by alien insects, and
overcollection by private and commercial collectors. Due to its
restricted distribution, this species is also vulnerable to extinction
from random, catastrophic events, such as drought or fire. This final
rule implements the Federal protections provided by the Act for this
moth.

EFFECTIVE DATE: March 2, 2000.

ADDRESSES: You may inspect the complete file for this rule, by
appointment, during normal business hours at the Pacific Islands
Ecoregion, U.S. Fish and Wildlife Service, 300 Ala Moana Boulevard,
Room 3-122, P.O. Box 50088, Honolulu, Hawaii 96850.

FOR FURTHER INFORMATION CONTACT: Robert Smith, Pacific Islands
Manager, Ecological Services, Pacific Islands Ecoregion (see ADDRESSES
section) (telephone: 808/541-2749; facsimile: 808/541-2756).

SUPPLEMENTARY INFORMATION:

Background

The Hawaiian archipelago includes eight large volcanic islands
(Niihau, Kauai, Oahu, Molokai, Lanai, Kahoolawe, Maui, and Hawaii), as
well as offshore islets, shoals, and atolls set on submerged volcanic
remnants at the northwest end of the chain (the Northwestern Hawaiian
Islands). Each island was formed sequentially from frequent, voluminous
basaltic lava flows (Stearns 1985). The youngest island, Hawaii, is
still volcanically active, and retains its form of coalesced, gently
sloping, unweathered shield volcanoes (broadly rounded dome-shaped
volcanoes formed by fluid and far-spreading lava flows). Vulcanism on
the older islands has long since ceased, with subsequent erosion
forming heavily weathered valleys with steep walls and well-developed
streams and soils (Department of Geography 1983).
This range of topography creates a great diversity of climates.
Windward (northeastern) slopes can receive up to 1,000 centimeters (cm)
(400 inches (in)) of rain per year, while some leeward coasts that lie
in the rain shadow of the high volcanoes are classified as deserts,
receiving as little as 25 cm (10 in) of rain annually. This climate has
given rise to a rich diversity of plant communities, including coastal,
dryland, montane, subalpine, and alpine; dry, moderately moist, and
wet; and herblands, grasslands, shrublands, forests, and mixed
communities (Gagne and Cuddihy 1990). These habitats support one of the
most unusual arthropod faunas in the world, with an estimated 10,000
native species (Howarth 1990). Unusual characters of Hawaii's native
arthropod fauna include the absence of social insects, such as ants and
termites, extremely small geographic ranges, novel ecological shifts
(unusual behavior and/or habitat), flightlessness, and loss of certain
antipredator behaviors (Howarth 1990; Simon et al. 1984; Zimmerman
1948, 1970).
Blackburn's sphinx moth (Manduca blackburni) is Hawaii's largest
native insect, with a wingspan of up to 12 cm (5 in). Like other sphinx
moths (family Sphingidae), it has long, narrow forewings and a thick,
spindle-shaped body tapered at both ends. It is grayish brown in color,
with black bands across the apical (top) margins of the hind wings and
five orange spots along each side of the abdomen. The larva is a
typical, large ``hornworm'' caterpillar, with a spinelike process on
the dorsal (upper) surface of the eighth abdominal segment.
Caterpillars occur in two color forms, a bright green or a grayish
phase. Both color forms have scattered white speckles throughout the
dorsum (back), with the lateral (side) margin of each segment bearing a
horizontal white stripe, and segments four to seven bearing diagonal
stripes on the lateral margins (Zimmerman 1958; Betsy Gagne, Hawaii
Department of Land and Natural Resources, pers. comm. 1998).
Blackburn's sphinx moth is closely related to the tomato hornworm
(Manduca quinquemaculata) and has been confused with this species.
Blackburn's sphinx moth was described by Butler (1880) as Protoparce
blackburni, and named in honor of the Reverend Thomas Blackburn, who
collected the first specimens. It was believed to be the same as the
tomato hornworm (Sphinx celeus Hubner=Sphinx quinquemaculatus Hawthorn)
by Meyrick (1899), and then treated as a subspecies (Rothschild and
Jordan 1903, as cited by Riotte 1986) and placed in the genus
Phlegethontius (Zimmerman 1958). Riotte (1986) demonstrated that
Blackburn's sphinx moth is a distinct taxon in the genus Manduca,
native to the Hawaiian Islands, and reinstated it as a full species,
Manduca blackburni. D'Abrera (1986) tentatively considered Manduca
blackburni to be a synonym of Manduca quinquemaculata, but subsequent
authors (Howarth and Mull 1992; Nishida 1992) have disagreed with this
view, and the findings of Riotte (1986) are accepted here. Several
different common names have also been used for this species, including
the tomato hawk-moth (Swezey 1924b), the tobacco hornworm (Browne 1941;
van Dine 1905), the Hawaiian tobacco worm (Swezey 1931; Timberlake et
al. 1921), the Hawaiian tomato hornworm (Fullaway and Krauss 1945;
Zimmerman 1958), the Blackburn hawk moth (Hawaiian Entomological
Society (HES) 1990; Howarth and Mull 1992), and Blackburn's sphinx moth
(Service 1984). The name Blackburn's sphinx moth is used here.
In Hawaii, Blackburn's sphinx moth can be confused with the related
sweetpotato hornworm (Herse cingulata). In contrast to the sweetpotato
hornworm, adult Blackburn's sphinx moths can be distinguished by orange
rather than white dorsal abdominal spots, with black borders on both
the front and back margins of each segment, and a broader, marginal
black band on the hind wing. The larvae of Blackburn's sphinx moth
differ from those of the tomato hornworm and tobacco hornworm by having
two dark longitudinal stripes on the head capsule, although this is not
always the case. While these stripes are usually apparent in the dark
phase, they are not always apparent in the green phase (Ellen
VanGelder, University of Hawaii, pers. comm. 1997). Adult Blackburn's
sphinx moth can be distinguished from the North American tomato
hornworm and tobacco hornworm (Manduca sexnotata) by the presence of
crescent-shaped white markings along the inner border of the black
bands on the forewing (B. Gagne, pers. comm. 1998).
Larvae of Blackburn's sphinx moth feed on plants in the nightshade
family (Solanaceae). The natural host plants are native shrubs in the
genus Solanum (popolo), and the native tree, Nothocestrum latifolium
(`aiea) (Riotte 1986), on which the larvae consume leaves, stems,
flowers, and buds (B. Gagne, pers. comm. 1994). However, many of the
host plants recorded for this species are not native to the Hawaiian
Islands, and include Nicotiana tabacum (commercial tobacco), Nicotiana
glauca (tree tobacco), Solanum melongena (eggplant), Lycopersicon
esculentum (tomato), and possibly Datura stramonium (Jimson weed)
(Riotte 1986). Development from egg to adult

[[Page 4772]]

can take as little as 56 days (Williams 1947), but pupae may remain in
a state of torpor (inactivity) in the soil up to a year (Williams 1931;
B. Gagne, pers. comm. 1994). Adult moths can be found throughout the
year (Riotte 1986).
Historically, Blackburn's sphinx moth has been recorded from the
islands of Kauai, Oahu, Molokai, Maui, and Hawaii, and collected from
sea level to 760 meters (m) (2,500 feet (ft)) (Riotte 1986). Most
historical records were from coastal, lowland, and dryland forest
habitats in areas receiving less than 120 cm (50 in) annual rainfall.
It appears that this moth was historically most common on Maui (Riotte
1986).
Very few specimens of this species have been seen since 1940, and
after a concerted effort by staff at the B.P. Bishop Museum to relocate
this species in the late 1970's, it was considered to be extinct (Gagne
and Howarth 1985). In 1984, a single population was discovered on Maui
(first Maui site or population) (Riotte 1986). The population is
located on private and State lands, of which parts lie within a natural
area reserve, part is used by the Hawaii National Guard for military
training, and part is administered by the Department of Hawaiian
Homelands. Between 1986 and 1991, a total of 6 specimens were taken in
light traps 16 kilometers (km) (10 miles (mi)) from where the original
population was discovered in 1984. These findings may indicate the
presence of an additional population (Patrick Conant, Hawaii Department
of Agriculture, pers. comm. 1994), although adult moths are strong
fliers and these specimens could have originated at the known
population. Identification of two larvae and signs of two additional
larvae occurred in January 1997, although subsequent searches in
September 1996 (Conant and VanGelder 1997) did not reveal any signs of
eggs or larvae. Larvae are known to feed on `aiea and tree tobacco
(Frank Howarth, B.P. Bishop Museum, in litt. 1994), but the number of
larvae and adults produced each year is unknown.
A second Maui site or population is known from one adult and one
larvae observed in 1992 feeding on commercial tobacco in another
location on private land near sea level (Fern Duvall, Division of
Forestry and Wildlife (DOFAW), pers. comm. 1998), and from three larvae
observed on tree tobacco on State land on Maui in January 1997, and
again from the same number of larvae observed in February 1998 (F.
Duvall, pers. comm. 1998). While researchers observed five to six eggs
on tree tobacco in 1997, they found no eggs and no adults at the same
site in 1998. There are no native host plants in this area (F. Duvall,
pers. comm. 1998).
In December 1997, researchers discovered a population of
Blackburn's sphinx moth on the State-owned island of Kahoolawe (Arthur
Medeiros, U.S. Geological Survey (USGS)--Biological Resources Division
(BRD), in litt. 1998). This finding is the first record of the species
on this island, and thus represents an extension of the species known
range. Subsequent surveys (February and March 1998) indicate a
population exists on Kahoolawe, with egg and larval densities (114 eggs
and 93 larvae on 57 percent of tree tobacco plants searched) comparable
to those at the Maui site (A. Medeiros, in litt. 1998). In addition, a
fourth population of an unknown number of individuals was recently
discovered (April 1998) on State land on the island of Hawaii (A.
Medeiros, in litt. 1998), and a single, adult individual was observed
in April 1998 in a different location on the island of Hawaii (Steve L.
Montgomery, Hawaii Conservation Council, pers. comm. 1998). There are
no native Nothocestrum plants at this site, but both Nicotiana and
Solanum are present in the area (S.L. Montgomery, pers. comm. 1998). On
Kahoolawe, where the native host plant, `aiea, is not found, eggs and
larvae are known to occur on the non-native tree tobacco (A. Medeiros,
in litt. 1998). Eggs and larvae of the Hawaii population of Blackburn's
sphinx moth were found only on tree tobacco, although Nothocestrum
breviflorum (`aiea) is also present in the area (A. Medeiros, in litt.
1998).

Previous Federal Action

An initial comprehensive Notice of Review for Invertebrate Animals
was published in the Federal Register on May 22, 1984 (49 FR 21664). In
this notice we identified Blackburn's sphinx moth as a category 3A
taxon under the Act of 1973, as amended (16 U.S.C. 1533 et seq.).
Category 3A taxa were those for which we had persuasive evidence of
extinction. We published an updated Notice of Review for animals on
January 6, 1989 (54 FR 554). Although Blackburn's sphinx moth had been
rediscovered by 1985, in the 1989 Notice of Review, this taxon was
again identified as category 3A. In the next Notice of Review on
November 15, 1994 (59 FR 58982), this species was reclassified as a
category 1 candidate for listing. Category 1 candidates were those taxa
for which we had on file sufficient information on biological
vulnerability and threats to support preparation of listing proposals.
Beginning with our February 28, 1996, Notice of Review (61 FR 7596), we
discontinued the designation of multiple categories of candidates, and
only those taxa meeting the definition of former category 1 candidates
are now considered candidates for listing purposes. In the February 28,
1996, Notice of Review, we identified Blackburn's sphinx moth as a
candidate species (61 FR 7596). A proposed rule to list Blackburn's
sphinx moth as endangered was published on April 2, 1997 (62 FR 15640).
In the September 19, 1997, Notice of Review (62 FR 49398), this species
was included as proposed for endangered status.
The processing of this final rule conforms with our Listing
Priority Guidance published in the Federal Register on October 22, 1999
(64 FR 57114). The guidance clarifies the order in which we will
process rulemakings. Highest priority is processing emergency listing
rules for any species determined to face a significant and imminent
risk to its well-being (Priority 1). Second priority (Priority 2) is
processing final determinations on proposed additions to the lists of
endangered and threatened wildlife and plants. Third priority is
processing new proposals to add species to the lists. The processing of
administrative petition findings (petitions filed under section 4 of
the Act) is the fourth priority. The processing of critical habitat
determinations (prudency and determinability decisions) and proposed or
final designations of critical habitat will no longer be subject to
prioritization under Listing Priority Guidance. Processing of this
final rule is a Priority 2 action. We have updated this rule to reflect
any changes in information concerning distribution, status, and threats
since the publication of the proposed rule.

Summary of Comments and Recommendations

In the April 2, 1997, proposed rule and associated notifications,
we invited all interested parties to submit factual reports or
information that might contribute to the development of the final rule.
The public comment period ended June 2, 1997. Appropriate Federal and
State agencies, county governments, scientific organizations, and other
interested parties were contacted and requested to comment. We
published newspaper notices inviting public comment in the Maui News on
April 18, 1997, and in the Honolulu Star-Bulletin and Honolulu
Advertiser on April 21, 1997.
During the public comment period, we received comments from five
parties. All parties supported the listing of Blackburn's sphinx moth
as endangered.

[[Page 4773]]

None of the comments included additional information on the numbers of
individuals and populations of the moth species. One of the comments
suggested that listing will assist in the recovery of this species; one
comment indicated that listing may aid in promoting conservation
measures (e.g., fencing and weed control) that will assist the species;
and one comment indicated that cooperative efforts between a variety of
interested groups would be beneficial to the species. One commentor
noted that he has been working closely with several groups, including
us, to preserve the unique native habitat of dryland forest of Auwahi
and Kanaio. The Hawaii Division of Forestry and Wildlife supported the
listing of Blackburn's sphinx moth and at the same time expressed
``reservations'' about future listings of Hawaiian insects and the
limited resources available for attainable recovery goals. One
commentor noted that the listing would have little or no impact on the
Hawaii Army National Guard's mission at Kanaio.

Peer Review

In accordance with our policy published in the Federal Register on
July 1, 1994 (59 FR 34270), we also solicited the expert opinions of
three appropriate and independent specialists regarding pertinent
scientific or commercial data and assumptions relating to the taxonomy,
population models, and supportive biological and ecological information
for this species. We received no responses.
During the public comment period we received two letters from
Arthur C. Medeiros, USGS-BRD, that included information on the newly
discovered populations of Blackburn's sphinx moth. Steve L. Montgomery,
Hawaii Conservation Council, provided us information on a recent moth
sighting on the island of Hawaii, and Dr. Fern Duvall, DOFAW, provided
information on moth larvae and eggs observed in two additional areas of
Maui. We have included this information in this final rule.

Summary of Factors Affecting This Species

Section 4 of the Endangered Species Act and the regulations (50 CFR
part 424) promulgated to implement the listing provisions of the Act
set forth the procedures for adding species to the Federal lists. A
species may be determined to be an endangered or threatened species due
to one or more of the five factors described in section 4(a)(1). These
factors and their application to Blackburn's sphinx moth (Manduca
blackburni) are as follows:

A. The Present or Threatened Destruction, Modification, or Curtailment
of Its Habitat or Range

Native vegetation on all of the main Hawaiian Islands has undergone
extreme alteration because of past and present land management
practices including ranching, agricultural development, and deliberate
introductions of alien animals and plants (Cuddihy and Stone 1990;
Wagner et al. 1985). One of the primary threats facing Blackburn's
sphinx moth is destruction of its habitat by feral (returned to an
untamed state) animals. It is believed that the endemic plant,
Nothocestrum latifolium (`aiea), which is important for the survival of
Blackburn's sphinx moth, is directly or indirectly affected by feral
animals. All four species of Nothocestrum, N. latifolium, N.
breviflorum, N. longifolium, and N. peltatum, occur in dry to mesic
(moderate moisture) forests, the habitat in which Blackburn's sphinx
moth was most frequently recorded. Two species, N. peltatum on Kauai
and N. breviflorum on Hawaii, are now federally endangered species (59
FR 3904, 59 FR 55770) due to severe degradation of dry forest habitats.
N. latifolium occurs on Kauai, Oahu, Molokai, Lanai, and Maui. It is
not presently a protected species, but it is declining and uncommon on
all these islands (Hawaiian Heritage Program (HHP) 1993; Medeiros et
al. 1993). The stand of trees at the first Maui site of Blackburn's
sphinx moth may be the largest in the State (Medeiros et al. 1993) and
plays an important role in supporting a population of this moth species
(A. Medeiros, pers. comm. 1994).
Although Nothocestrum latifolium presently occurs at moderate
densities at the first Maui site location of Blackburn's sphinx moth
(HHP 1993), there is no seedling survival (Medeiros et al. 1993) and
the stand is in a degraded condition as a result of the presence of
feral goats (Capra hircus) (Medeiros et al. 1993; F. G. Howarth, pers.
comm. 1994; S.L. Montgomery, pers. comm. 1994). Goats were introduced
to the Hawaiian Islands in 1792 and are now abundant in dry forests on
Kauai, Molokai, Maui, and Hawaii, where they consume native vegetation,
trample roots and seedlings, accelerate erosion, and promote the
invasion of alien plants (Stone 1985; van Riper and van Riper 1982).
Bocconia frutescens (tree poppy) is one alien plant that is spreading
due to the activity of goats at the Maui Blackburn's sphinx moth site.
Tree poppy was first discovered in the Hawaiian Islands in 1920 and is
now naturalized in dry forests on Maui and mesic forests on Hawaii
(Medeiros et al. 1993; Symon 1990). On Maui, this fast-growing shrub is
a serious threat to the native host plant of Blackburn's sphinx moth
primarily through displacement and shading of immature plants (Medeiros
et al. 1993; B. Gagne, pers. comm. 1994).
While the endangered Nothocestrum breviflorum is reported in the
area of the Hawaii population of Blackburn's sphinx moth (Marie
Bruegmann, Service, pers. comm. 1998), there are no recorded
associations of either eggs, larvae, or adults with this species. These
trees are primarily threatened by habitat conversion associated with
development; competition from alien species such as Schinus
terebinthifolius (Christmas berry), Pennisetum setaceum (fountain
grass), Lantana camara (lantana), and Leucaena leucocephala (koa
haole); browsing by cattle; fire; and random environmental events; and
reduced reproductive vigor due to the small number of existing
individuals (59 FR 10312).
Although Nothocestrum is not reported from Kahoolawe, there were
very few surveys of this island prior to the intense ranching
activities, that began in the middle of the last century, and the
subsequent use of the island as a weapons range for the past 50 years.
Prior to their removal, goats played a major role in the destruction of
vegetation on Kahoolawe (Cuddihy and Stone 1990). It is likely that the
reappearance of some vegetation as a result of the removal of the goats
and the cessation of military bombing activities, has allowed
Blackburn's sphinx moth to gain a foothold on the island. Although on
the island of Kahoolawe the vegetation on which Blackburn's sphinx moth
is currently dependent is alien and appears to adequately support
production and growth of the sphinx moth, it is believed that the
native host plant, `aiea, is important to the survival of this species
(A. Medeiros, pers. comm. 1998). Restoration of the native forests on
Kahoolawe would benefit Blackburn's sphinx moth as well as other native
plants and invertebrates on the island.

B. Overutilization for Commercial, Recreational, Scientific, or
Educational Purposes

Rare butterflies and moths are highly prized by collectors, and an
international trade exists for insect specimens for both live and
decorative markets, as well as the specialist trade that supplies
hobbyists, collectors, and

[[Page 4774]]

researchers (Morris et al. 1991; Williams 1996). The specialist trade
differs from both the live and decorative market in that it
concentrates on rare and threatened species (US Department of Justice
(USDJ) 1993). In general, the rarer the species, the more valuable it
is, and prices may exceed US $2,000 for rare specimens (Morris et al.
1991). For example, during a 4-year investigation, special agents of
the Service's Division of Law Enforcement executed warrants and seized
over 30,000 endangered and/or protected butterflies and beetles with a
wholesale commercial market value of about $90,000 in the United
States. The defendant, who was convicted, sold these rare butterflies
and beetles in malls and State fairs (USDJ 1995). In another case,
special agents found at least 13 species protected under the Act, and
another 130 species illegally taken from lands administered by the
Department of the Interior (USDJ 1995). The three men involved were
convicted of poaching and commercial trade of butterflies protected
under the Act (US Fish and Wildlife Service 1995; Williams 1996).
Sphinx moths, in general, are sought by collectors, and, as early
as the 1950's, there was a standing reward for specimens of another
rare Hawaiian sphinx moth (Tinostoma smargditis) (Zimmerman 1958).
Specimens of Blackburn's sphinx moth have already been secured and
traded by collectors and institutions (Dave Preston, B.P. Bishop
Museum, pers. comm. 1994). According to unconfirmed reports specimens
of Blackburn's sphinx moth from the Maui site are appearing in the
specialist trade (A. Medeiros, pers. comm. 1998). Listing the species
as federally endangered will increase its attractiveness to collectors
(USDJ 1993). Unrestricted collecting and handling for scientific
purposes are known to impact populations of other species of rare
Lepidoptera (Murphy 1988), and are considered significant threats to
Blackburn's sphinx moth. Because of the high value accorded such
rarities, field collectors often take all individuals available (Morris
et al. 1991). Even limited collection from the small populations of
Blackburn's sphinx moth can have deleterious effects on its
reproductive or genetic viability and lead to the eventual extinction
of this species.

C. Disease or Predation

The geographic isolation of the Hawaiian Islands restricted the
number of original successful colonizing arthropods and resulted in the
development of an unusual fauna. An unusually small number (15 percent)
of the known families of insects are represented by native Hawaiian
species (Howarth 1990). Some groups that often dominate continental
arthropod faunas, such as social Hymenoptera (group nesting ants, bees,
and wasps), are entirely absent from the native fauna. Commercial
shipping and air cargo to Hawaii have now resulted in the establishment
of over 2,500 species of alien arthropods (Howarth 1990; Howarth et al.
1994), with a continuing establishment rate of 10-20 new species per
year (Beardsley 1962, 1979). In addition to the accidental
establishment of alien species, private individuals and government
agencies began importing and releasing alien predators and parasites
for biological control of pests as early as 1865. These efforts
resulted in the introduction of 243 alien species between 1890 and
1985, in some cases with the specific intent of reducing populations of
native Hawaiian insects (Funasaki et al. 1988; Lai 1988). Alien
arthropods, whether purposefully or accidentally introduced, pose the
most serious threat to Hawaii's native insects, through direct
predation and parasitism, and competition for food or space (Howarth
and Medeiros 1989; Howarth and Ramsay 1991).
Ants are not a natural component of Hawaii's arthropod fauna, and
native species evolved in the absence of predation pressure from ants.
Ants can be particularly destructive predators because of their high
densities, recruitment behavior, aggressiveness, and broad range of
diet (Reimer 1993). Because they are generalist feeders, ants may
affect prey populations independently of prey density, and may locate
and destroy isolated individuals and populations (Nafus 1993a). At
least 36 species of ants are known to be established in the Hawaiian
Islands, and 3 particularly aggressive species have severely affected
the native insect fauna (Zimmerman 1948). The island of Kahoolawe has
not been extensively surveyed at this time, but since ants have adult
winged reproductives, once established in Hawaii in general, they are
likely to colonize suitable habitats on all islands in time, and
several species are already known to occur on Kahoolawe. By the late
1870's, the big-headed ant (Pheidole megacephala) was present in
Hawaii, and its predation on native insects was noted by Perkins (1913)
who stated, ``It may be said that no native Hawaiian Coleoptera insect
can resist this predator, and it is practically useless to attempt to
collect where it is well established. Just on the limits of its range
one may occasionally meet with a few native beetles, e.g., species of
Plagithmysus, often with these ants attached to their legs and bodies,
but sooner or later they are quite exterminated from these
localities.''
With few exceptions, in areas where the big-headed ant is present,
native insects, including most moths, are eliminated (Gagne; 1979;
Gillespie and Reimer 1993; Perkins 1913). The big-headed ant generally
does not occur at elevations higher than 600 m (2,000 ft), and is also
restricted by rainfall, rarely being found in particularly dry (less
than 35-50 cm (15-20 in) annually) or wet areas (more than 250 cm (100
in) annually) (Reimer et al. 1990). The big-headed ant is also known to
be a predator of eggs and caterpillars of native Lepidoptera, and can
completely exterminate populations (Illingworth 1915; Zimmerman 1958).
This ant occurs at the first Blackburn's sphinx moth Maui site and is a
direct threat to this population (Medeiros et al. 1993). Big-headed
ants also occur on Kahoolawe and Hawaii (A. Medeiros, pers. comm.
1998).
The Argentine ant (Iridomyrmex humilis) was discovered on the
island of Oahu in 1940 (Zimmerman 1941) and is now established on all
the main islands. Unlike the big-headed ant, the Argentine ant is
primarily confined to elevations higher than 500 m (1,600 ft) in areas
of moderate rainfall (Reimer et al. 1990). This species can reduce
populations or even eliminate native arthropods at high elevations in
Haleakala National Park on Maui (Cole et al. 1992). On Maui, within 16
km (10 mi) of the Blackburn's sphinx moth population, Argentine ants
are significant predators on pest fruit flies (Wong et al. 1984).
Argentine ants have also been reported on the islands of Kahoolawe and
Hawaii (Adam Asquith, Service, and A. Medeiros, pers. comm. 1998).
The long-legged ant (Anoplolepis longipes) appeared in Hawaii in
1952 and now occurs on Oahu, Maui, and Hawaii (Reimer et al. 1990). It
inhabits elevations under 600 m (2,000 ft), in rocky areas with
moderate annual rainfall of less than 250 cm (100 in) (Reimer et al.
1990). Direct observations indicate that Hawaiian arthropods are
susceptible to predation by this species (Gillespie and Reimer 1993),
and Hardy (1979) documented the disappearance of most native insects
from Pua'alu'u in the Kipahulu District on Maui after the area was
invaded by the long-legged ant.
At least two species of fire ants, Solenopsis geminita and
Solenopsis papuana, are also important threats (Gillespie and Reimer
1993; Reagan 1986) and occur on all of the major islands (Reimer et al.
1990). Ants,

[[Page 4775]]

including the fire ant, S. geminita, are known to be the most important
and consistent mortality factor on eggs, and probably larvae, of the
butterfly Hypolimnas bolina in Guam, even where both predator and prey
are native (Nafus 1993a, 1993c). Solenopsis geminita occurs at the Maui
moth location (A. Medeiros, pers. comm. 1998). Solenopsis geminita is
also known to be a significant predator on pest fruit flies in Hawaii
(Wong and Wong 1988). Solenopsis papuana is the only abundant,
aggressive ant that has invaded intact mesic forest above 600 m (2,000
ft) and is still expanding its range in Hawaii (Reimer 1993).
Ochetellus glaber (No Common Name (NCN)), a recently reported ant
introduction, occurs in the same habitat utilized on Kahoolawe by
Blackburn's sphinx moth (A. Medeiros, pers. comm. 1998). Ochetellus
glaber was found in relatively high numbers foraging on shrubs of
Nicotiana where eggs and larvae of the sphinx moth occur. In one
instance, large numbers of Ochetellus glaber were observed emerging
from a dead moth larvae they had either predated or scavenged (A.
Medeiros, pers. comm. 1998).
On Kahoolawe, a large proportion of tagged Blackburn's sphinx moth
eggs disappeared without hatching, potentially indicating high egg
predation, likely by ants, but perhaps by birds, or dislodging by high
winds (A. Medeiros, pers. comm. 1998).
Hawaii also has a limited fauna of native Hymenoptera wasp species,
with only two native species in the family Braconidae (Beardsley 1961),
neither of which attack Blackburn's sphinx moth. In contrast, species
of Braconidae are common predators (parasitoids) on the larvae of the
tobacco hornworm and the tomato hornworm in North America (Gilmore
1938). At least 74 alien species, in 41 genera, of braconid wasps are
now established in Hawaii, of which at least 35 species were
purposefully introduced as biological control agents (Nishida 1992).
Most species of alien Braconidae and Ichneumonidae wasps parasitic on
Lepidoptera are not host specific, but attack the caterpillars or pupae
of a variety of moths (Funasaki et al. 1988; Zimmerman 1948, 1978) and
have become the dominant larval parasitoids even in intact, high-
elevation, native forest areas of Hawaii (Howarth et al. 1994;
Zimmerman 1948). These wasps lay their eggs in the eggs or caterpillars
of Lepidoptera. Upon hatching, the wasp larvae consume internal
tissues, eventually destroying the host. At least one species
established in Hawaii, Hyposeter exiguae (NCN), is known to attack the
tobacco hornworm and the related tomato hornworm in North America
(Carlson 1979). This wasp is recorded from all of the main islands
except Lanai (Nishida 1992) and is a recorded parasitoid of the lawn
armyworm (Spodoptera maurita) on tree tobacco on Maui, an alternate
host of Blackburn's sphinx moth (Swezey 1927). No direct documentation
exists of alien braconid and ichneumonid wasps parasitizing Blackburn's
sphinx moth because of its rarity, but given the abundance and the
breadth of available hosts of these wasps, they are considered
significant threats to this species (Gagne and Howarth 1985; Howarth
1983; Howarth et al. 1994; F. G. Howarth, pers. comm. 1994).
Small wasps in the family Trichogrammatidae parasitize insect eggs,
with numerous adults sometimes developing within a single host egg. The
taxonomy of this group is confusing, and it is unclear if Hawaii has
any native species (Nishida 1992, John Beardsley, University of Hawaii,
pers. comm. 1994). Several alien species are established in Hawaii
(Nishida 1992), including Trichogramma minutum (NCN), which is known to
attack the sweet potato hornworm in Hawaii (Fullaway and Krauss 1945).
In 1929, the wasp Trichogramma chilonis (NCN) was purposefully
introduced into Hawaii as a biological control agent for the Asiatic
rice borer (Chilo suppressalis) (Funasaki et al. 1988). This wasp
parasitizes the eggs of a variety of Lepidoptera in Hawaii, including
sphinx moths (Funasaki et al. 1988). Williams (1947) found 70 percent
of the eggs of Blackburn's sphinx moth to be parasitized by a
Trichogramma wasp that was probably this species. Over 80 percent of
the eggs of the alien grasswebworm (Herpetogramma licarsisalis) in
Hawaii are parasitized by these wasps (Davis 1969). In Guam,
Trichogramma chilonis effectively limits populations of the sweetpotato
hornworm (Nafus and Schreiner 1986), and the sweet potato hornworm is
considered under complete biological control by this wasp in Hawaii
(Lai 1988). While this wasp probably affects Blackburn's sphinx moth in
a density-dependent manner (Nafus 1993a), and theoretically is unlikely
to directly cause extinction of a population or the species, the
availability of more abundant, alternate hosts (any other lepidopteran
eggs) may allow for the extirpation of Blackburn's sphinx moth by this
or other egg parasites as part of a broader host base (Howarth 1991;
Nafus 1993b; Tothill et al. 1930).
Hawaii has no native parasitic flies in the family Tachinidae
(Nishida 1992). Two species of tachinid flies, Lespesia archippivora
(NCN) and Chaetogaedia monticola (NCN), were purposefully introduced to
Hawaii for control of army worms (Funasaki et al. 1988; Nishida 1992).
These flies lay their eggs externally on caterpillars, and upon
hatching, the larvae burrow into the host, attach to the inside surface
of the cuticle, and consume the soft tissues (Etchegaray and Nishida
1975b). In North America, Chaetogaedia monticola is known to attack at
least 36 species of Lepidoptera in 8 families, including sphinx moths;
Lespesia archippivora is known to attack over 60 species of Lepidoptera
in 13 families, including sphinx moths (Arnaud 1978). These species are
on record as parasites of a variety of Lepidoptera in Hawaii and are
believed to depress populations of at least two native species of moths
(Lai 1988). Over 40 percent of the caterpillars of the monarch
butterfly (Danaus plexippus) on Oahu are parasitized by Lespesia
archippivora (Etchegaray and Nishida 1975a), and the introduction of a
related species to Fiji resulted in the extinction of a native moth
there (Howarth 1991; Tothill et al. 1930). Both of these species occur
on Maui and are direct threats to Blackburn's sphinx moth.

D. The Inadequacy of Existing Regulatory Mechanisms

Blackburn's sphinx moth occurs on State-owned and private lands.
This species currently receives no formal protection on any of these
lands.
Federal listing would automatically invoke listing under Hawaii
State law, which prohibits taking and encourages conservation by State
government agencies. Hawaii's Endangered Species Act (HRS, Sect. 195D-
4(a)) states, ``Any species of aquatic life, wildlife, or land plant
that has been determined to be an endangered species pursuant to the
(Federal) Endangered Species Act shall be deemed to be an endangered
species under the provisions of this chapter and any indigenous species
of aquatic life, wildlife, or land plant that has been determined to be
a threatened species pursuant to the (Federal) Endangered Species Act
shall be deemed to be a threatened species under the provisions of this
chapter.'' Further, the State may enter into agreements with Federal
agencies to administer and manage any area required for the
conservation, management, enhancement, or protection of endangered
species (HRS, Sect. 195D-5(c)). Funds for these activities could be
made available under section 6 of the Federal Act (State Cooperative
Agreements).

[[Page 4776]]

Alien predatory and parasitic insects are an important reason for
the reduction in range and abundance of Blackburn's sphinx moth, and
may be the most serious present threat to its continued existence. Some
of these alien species were intentionally introduced by the State of
Hawaii's Department of Agriculture or other agricultural agencies
(Funasaki et al. 1988), and importations and augmentations of
lepidopteran parasitoids continue. Federal regulations for the
introductions of biocontrol agents have not adequately protected this
species (Lockwood 1993). Presently, there are no Federal statutes that
require biocontrol agents to be reviewed before they are introduced,
and the limited Federal review process requires consideration of
potential harm only to economically important species (Miller and Aplet
1993). Although the State of Hawaii requires that new introductions be
reviewed before release (HRS Chapt. 150A), postrelease biology and host
range cannot be predicted from laboratory studies (Gonzalez and
Gilstrap 1992; Roderick 1992), and the purposeful release or
augmentation of any lepidopteran predator or parasitoid is a potential
threat to Blackburn's sphinx moth (Gagne; and Howarth 1985; Simberloff

1992).

E. Other Natural or Manmade Factors Affecting Its Continued Existence

The small, restricted populations of Blackburn's sphinx moth
increase the potential for extinction from random events. Sphinx moths
are typically strong fliers and likely existed as a series of
metapopulations on the various islands (Harrison et al. 1988).
Considerable intra-island movement between populations and continued
colonizations and extinctions in new localities probably occurred,
accounting for the historical records in tobacco crops and gardens
(Swezey 1924a, 1924b; Zimmerman 1958). The apparent extirpation of this
moth at most lower elevations and in more mesic areas is thought to
correlate with the presence of alien predators and parasitoids and the
loss of its preferred host plants. Thus, if any of the known
populations of the Blackburn's sphinx moth is severely reduced in size,
little potential exists for recolonization or ``rescue'' (Brown and
Kodric-Brown 1977) of the remaining population by immigrants (Arnold
1983). Research studies at the first Maui site suggest that during the
recent drought period, proportionally more eggs and larvae occurred on
`aiea than on tree tobacco, in a general reversal of the trend during
normal rainfall conditions (A. Medeiros, pers. comm. 1998). Tree
tobacco is a quick-growing, pioneer shrub, while `aiea is a slow-
growing, drought-adapted, long-lived native tree that does well in
drought periods when tree tobacco is dying or losing its foliage (A.
Medeiros, pers. comm. 1998). This adaptation emphasizes the importance
of the native host plant to the survival of Blackburn's sphinx moth.
We carefully assessed the best scientific and commercial
information available regarding the past, present, and future threats
faced by this species in determining to make this rule final. This
species is threatened by habitat degradation by introduced animals and
loss of its native host plant, overcollection, and predation by ants
and alien parasitoid wasps. The small number of populations of this
species also makes it susceptible to extinction from random events.
Because this species is in danger of extinction throughout all of its
range, it fits the definition of endangered as defined in the Act.
Based on this evaluation, we find that the Blackburn's sphinx moth
should be listed as endangered. Although we have considered all
available alternatives to this action, such alternatives would not be
in accordance with the Act. Listing the species as a threatened species
would not accurately reflect the status of Blackburn's sphinx moth
based on the information available.

Critical Habitat

Critical habitat is defined in section 3 of the Act as the specific
areas within the geographical area occupied by a species, at the time
it is listed in accordance with the Act, on which are found those
physical or biological features essential to the conservation of the
species and that may require special management considerations or
protection; and specific areas outside the geographical area occupied
by a species at the time it is listed, upon a determination that such
areas are essential for the conservation of the species.
``Conservation'' means the use of all methods and procedures needed to
bring the species to the point at which listing under the Act is no
longer necessary.
Critical habitat designation directly affects only Federal agency
actions through consultation under section 7(a)(2) of the Act. Section
7(a)(2) requires Federal agencies to ensure that activities they
authorize, fund, or carry out are not likely to jeopardize the
continued existence of a listed species or destroy or adversely modify
its critical habitat.
Section 4(a)(3) of the Act, as amended, and implementing
regulations (50 CFR 424.12) require that, to the maximum extent prudent
and determinable, we designate critical habitat at the time the species
is determined to be endangered or threatened. Our regulations (50 CFR
424.12(a)(1)) state that the designation of critical habitat is not
prudent when one or both of the following situations exist--(1) the
species is threatened by taking or other human activity, and
identification of critical habitat can be expected to increase the
degree of threat to the species, or (2) such designation of critical
habitat would not be beneficial to the species.
The Final Listing Priority Guidance for FY 1999/2000 (64 FR 57114)
states that the processing of critical habitat determinations (prudency
and determinability decisions) and proposed or final designations will
no longer be subject to prioritization under the Listing Priority
Guidance. Critical habitat determinations, which were previously
included in final listing rules published in the Federal Register, may
now be processed separately, in which case stand-alone critical habitat
determinations will be published as notices in the Federal Register. We
will undertake critical habitat determinations and designations during
FY 2000 as allowed by our funding allocation for that year. As
explained in detail in the Listing Priority Guidance, our listing
budget is currently insufficient to allow us to immediately complete
all of the listing actions required by the Act.
In the proposed rule, we indicated that designation of critical
habitat was not prudent for Blackburn's sphinx moth because of a
concern that publication of precise maps and descriptions of critical
habitat in the Federal Register could lead to incidents of vandalism
and destruction of habitat, as well as take by insect collectors. We
also indicated that designation of critical habitat was not prudent
because we believed it would not provide any additional benefit beyond
that provided through listing as endangered. In the last few years, a
series of court decisions have overturned Service determinations
regarding a variety of species that designation of critical habitat
would not be prudent (e.g., Natural Resources Defense Council v. U.S.
Department of the Interior 113 F. 3d 1121 (9th Cir. 1997); Conservation
Council for Hawaii v. Babbitt, 2 F. Supp. 2d 1280 (D. Hawaii 1998)).
Based on the standards applied in those judicial opinions, we have re-
examined the question of

[[Page 4777]]

whether critical habitat for Blackburn's sphinx moth would be prudent.
Due to the small number of populations, Blackburn's sphinx moth is
vulnerable to unrestricted collection, vandalism, or other disturbance.
Rare butterflies and moths are highly prized by collectors and an
international, commercial trade exists for insect specimens which are
sought for both live and decorative markets, as well as the specialist
trade that supplies hobbyists, collectors, and researchers (Morris et
al. 1991) (see Factor B). We are concerned that these threats might be
exacerbated by the publication of critical habitat maps and further
dissemination of locational information. However, consistent with
recent case law, at this time, we believe there may be benefits of
critical habitat designation in some areas that may outweigh the risks.
In the case of this species, there may be some benefits to
designation of critical habitat. The primary regulatory effect of
critical habitat is the section 7 requirement that Federal agencies
refrain from taking any action that destroys or adversely modifies
critical habitat. While a critical habitat designation for habitat
currently occupied by this species would not be likely to change the
section 7 consultation outcome because an action that destroys or
adversely modifies such critical habitat would also be likely to result
in jeopardy to the species, there may be a few instances where section
7 consultation would be triggered only if critical habitat is
designated, such as occupied habitat that may become unoccupied in the
future. There may also be some educational or informational benefits to
designating critical habitat. Therefore, at least in areas where
opportunity for public access is limited, we find that critical habitat
is prudent for Blackburn's sphinx moth.
However, we cannot propose critical habitat designation for this
species at this time. The Service's Hawaiian field office, which would
have the lead for such a proposal, is in the process of complying with
the court order in Conservation Council for Hawaii v. Babbitt, Civ. No.
97-00098 ACK (D. Haw. Mar. 9 and Aug. 10, 1998). In that case, the
United States District Court for the District of Hawaii remanded to the
Service its ``not prudent'' findings on critical habitat designation
for 245 species of Hawaiian plants. The court ordered the Service not
only to reconsider these findings, but also to designate critical
habitat for any species for which we determine on remand that critical
habitat designation is prudent. Proposed designations or non-
designations for 100 species are to be published by November 30, 2000.
Proposed designation or non-designations for the remaining 145 species
are to be published by April 30, 2002. Final designations or non-
designations are to be published within one year of each proposal.
Compliance with this court order is a huge undertaking involving
critical habitat determinations for over one-fifth of all species that
have ever been listed under the ESA, and over one-third of all listed
plant species. In addition, the Service has agreed to include in this
effort critical habitat designations for an additional 10 plants that
are subject of another lawsuit. See Conservation Council for Hawaii v.
Babbitt, Civ. No. 99-00283 HG. The Service cannot develop proposed
critical habitat designation for this species without significant
disruption of intensive efforts to comply with the Conservation Council
for Hawaii v. Babbitt remand.
To attempt to do so could also affect the listing program Region-
wide. Administratively, the Service is divided into seven geographic
regions. This species is under the jurisdiction of Region 1, which
includes California, Oregon, Washington, Idaho, Nevada, Hawaii and
other Pacific Islands. About one-half of all listed species occur in
Region 1. Region 1 receives, by far, the largest share of listing funds
of any Service region because it has the heaviest listing workload.
Region 1 must also expend its listing resources to comply with existing
court orders or settlement agreements. In fact, in the last fiscal
year, all of the Region's funding allocation for critical habitat
actions were extended to comply with court orders. If the Service were
to immediately prepare a proposed critical habitat designation for this
species, notwithstanding the court order pertaining to 245 Hawaiian
plant species, efforts to provide protection to many other species that
are not yet listed would be delayed. While we believe there may be some
benefits to designating critical habitat for this species, these
benefits are significantly fewer in comparison to the benefits of
listing a species under the ESA because, as discussed above, the
primary regulatory effect of critical habitat is limited to the section
7 requirement that Federal agencies refrain from taking any action that
destroys or adversely modifies critical habitat.
For these reasons, deferral of a proposal to designate critical
habitat will allow us to concentrate our limited resources on higher
priority critical habitat and other listing actions, while allowing us
to provide the basic protections under the ESA for this species. We
will develop a proposal to designate critical habitat for this species
as soon as feasible.

Available Conservation Measures

Conservation measures provided to species listed as endangered or
threatened under the Act include recognition, recovery actions,
requirements for Federal protection, and prohibitions against certain
activities. Recognition through listing encourages and results in
conservation actions by Federal, State, and private agencies, groups,
and individuals. Hawaii's Endangered Species Act states that, ``Any
species of aquatic life, wildlife, or land plant that has been
determined to be an endangered species pursuant to the (Federal)
Endangered Species Act shall be deemed to be an endangered species
under the provisions of this chapter.'' (Hawaii Revised Statutes (HRS),
sect. 195D-4(a)). Therefore, Federal listing automatically invokes
listing under Hawaii State Law, which prohibits taking of listed
wildlife in the State and encourages conservation by State agencies
(HRS, sect. 195D-4 and 5). The Endangered Species Act provides for
possible land acquisition and cooperation with the State and requires
that recovery plans be developed for all listed species. The protection
required of Federal agencies and the prohibitions against certain
activities involving listed animals are discussed, in part, below.
Section 7(a) of the Act, as amended, requires Federal agencies to
evaluate their actions with respect to any species that is proposed or
listed as endangered or threatened. Regulations implementing this
interagency cooperation provision of the Act are codified at 50 CFR
Part 402. Section 7(a)(2) of the Act requires Federal agencies to
insure that activities they authorize, fund, or carry out are not
likely to jeopardize the continued existence of a listed species or to
destroy or adversely modify its critical habitat. If a Federal action
may affect a listed species or its critical habitat, the responsible
Federal agency must enter into formal consultation with us. Federal
agency actions that may require conference and/or consultation include
military training of the Hawaii National Guard on State land near the
first Maui site, and unexploded ordnance cleanup that is funded by the
U.S. Navy near the Kahoolawe population on State land.
Federally supported activities that could affect Blackburn's sphinx
moth and its habitat in the future include, but are not limited to, the
following: release

[[Page 4778]]

or augmentation of biological control agents; road and firebreak
construction; troop movements; removal of unexploded ordnance; and fire
resulting from the use of live ammunition. Conservation of this moth is
consistent with most ongoing operations at the occupied sites; however,
listing of the species may entail consultation in regard to activities
taking place on military lands, or insect pest control operations in
Hawaii supported by Federal agencies.
The Act and its implementing regulations found at 50 CFR 17.21,
17.22, and 17.23 set forth a series of general trade prohibitions and
exceptions that apply to all endangered wildlife. With respect to
animal species listed as endangered, all trade prohibitions of section
9(a)(1) of the Act, implemented by 50 CFR 17.21, apply. These
prohibitions, in part, make it illegal with respect to any endangered
animal for any person subject to the jurisdiction of the United States
to import or export; transport in interstate or foreign commerce in the
course of a commercial activity; sell or offer for sale in interstate
or foreign commerce; or take (includes harass, harm, pursue, hunt,
shoot, wound, kill, trap, or collect--or attempt any of these). Certain
exceptions apply to our agents and State conservation agencies. The Act
and 50 CFR 17.22 and 17.23 also provide for the issuance of permits to
carry out otherwise prohibited activities involving endangered animal
species under certain circumstances. Such permits are available for
scientific purposes, to enhance the propagation or survival of the
species, and for incidental take in connection with otherwise lawful
activities.
It is our policy, published in the Federal Register on July 1, 1994
(59 FR 34272), to identify to the maximum extent practicable at the
time a species is listed those activities that would or would not
constitute a violation of section 9 of the Act. The intent of this
policy is to increase public awareness of the effect of this listing on
proposed and ongoing activities within the species' range. We believe
that, based on the best available information, the following actions
will not result in a violation of section 9:
(1) Possession, delivery, or movement, including interstate
transport and import into or export from the United States, involving
no commercial activity of dead specimens of this taxon that were
collected prior to the date of publication in the Federal Register of
this final rule;
(2) Activities authorized, funded, or carried out by Federal
agencies when such activity is conducted in accordance with any
reasonable and prudent measures given by the Service in a consultation
conducted under section 7 of the Act, and;
(3) Activities on private lands that do not result in the take of
Blackburn's sphinx moth, and do not require Federal authorization and/
or involve Federal funding.
Potential activities involving Blackburn's sphinx moth that we
believe will likely be considered a violation of section 9 include, but
are not limited to, the following:
(1) Collection of specimens of this taxon for private possession,
or deposition in an institutional collection without a proper permit;
(2) Sale or purchase of specimens of this taxon, except for
properly documented antique specimens of this taxon at least 100 years
old, as defined by section 10(h)(1) of the Act;
(3) Use of pesticides/herbicides in violation of label restrictions
resulting in take of Blackburn's sphinx moth;
(4) Unauthorized release of biological control agents that attack
any life stage of this taxon, and;
(5) Removal or destruction of the native host plant, defined as any
species in the genus Nothocestrum, within areas occupied by this taxon
that results in harm to the Blackburn's sphinx moth. Regulations at 50
CFR 17.3 defines ``harm'' in the definition of take as an act that
actually kills or injures wildlife. Such act may include significant
habitat modification or degradation where it actually kills or injures
wildlife by significantly impairing essential behavioral patterns,
including breeding, feeding, or sheltering.
Permits may be issued to carry out otherwise prohibited activities
involving endangered wildlife species under certain circumstances.
Regulations governing permits are codified at 50 CFR 17.22 and 17.23.
Such permits are available for scientific purposes, to enhance the
propagation or survival of the species, and/or for incidental take in
connection with otherwise lawful activities.
Questions regarding whether specific activities will constitute a
violation of section 9 of the Act should be directed to the Pacific
Islands Manager (see ADDRESSES section). Requests for copies of the
regulations concerning listed animals and inquiries regarding
prohibitions and permits may be addressed to the U.S. Fish and Wildlife
Service, Ecological Services, Endangered Species Permits, 911 N.E. 11th
Avenue, Portland, Oregon, 97232-4181 (telephone: 503/231-6241;
facsimile 503/231-6243).

National Environmental Policy Act

We have determined that Environmental Assessments and Environmental
Impact Statements, as defined under the authority of the National
Environmental Policy Act of 1969, need not be prepared in connection
with regulations adopted pursuant to section 4(a) of the Endangered
Species Act of 1973, as amended. We published a notice outlining our
reasons for this determination in the Federal Register on October 25,
1983 (48 FR 49244).

Paperwork Reduction Act

This rule does not contain any collection of information for which
Office of Management and Budget (OMB) approval under the Paperwork
Reduction Act, 44 U.S.C. 3501 et seq. is required. An information
collection related to the rule pertaining to permits for endangered and
threatened species has OMB approval and is assigned clearance number
1018-0094. For additional information concerning permits and associated
requirements for endangered and threatened wildlife, see 50 CFR 17.22
and 17.23.

References Cited

A complete list of all references cited in this document, as well
as others, is available upon request from the Pacific Islands Ecoregion
Office (see ADDRESSES section).

Author

The primary authors of this final rule are Dr. Adam Asquith, U.S.
Fish and Wildlife Service, Kauai National Wildlife Refuge Complex, P.O.
Box 1128, Kilauea, Hawaii 96754, (808/828-1413), and Dr. Annie
Marshall, Ecological Services, Pacific Islands Ecoregion Office (see
ADDRESSES section) (808/541-3441).

List of Subjects in 50 CFR Part 17

Endangered and threatened species, Exports, Imports, Reporting and
recordkeeping requirements, Transportation.

Regulation Promulgation

Accordingly, amend part 17, subchapter B of chapter I, title 50 of
the Code of Federal Regulations, as set forth below:

PART 17--[AMENDED]

1. The authority citation for part 17 continues to read as follows:

Authority: 16 U.S.C. 1361-1407; 16 U.S.C. 1531-1544; 16 U.S.C.
4201-4245; Pub. L. 99-

[[Page 4779]]

625, 100 Stat. 3500, unless otherwise noted.

2. Amend section 17.11(h) by adding the following, in alphabetical
order under INSECTS, to the List of Endangered and Threatened Wildlife:

Sec. 17.11 Endangered and threatened wildlife.

* * * * *
(h) * * *

--------------------------------------------------------------------------------------------------------------------------------------------------------
Species
---------------------------------------------------------------------------------------------------------------------------------------------------------
Vertebrate
population where Critical Special
Common name Scientific name Historic range endangered or Status When listed habitat rule
threatened
--------------------------------------------------------------------------------------------------------------------------------------------------------
INSECTS

* * * * * * *
Blackburn's sphinx moth.......... Manduca blackburni.. U.S.A. (HI)........ NA................. E 682 NA NA

* * * * * * *
--------------------------------------------------------------------------------------------------------------------------------------------------------

Dated: January 20, 2000.
Jamie Rappaport Clark,
Director, U.S. Fish and Wildlife Service.
[FR Doc. 00-2135 Filed 1-31-00; 8:45 am]
BILLING CODE 4310-55-P