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Hine's Emerald Dragonfly (Somatochlora
hineana): This dragonfly was originally discovered in Ohio, but
by the mid-1900's it was believed to be extinct.
However, in 1988 a
specimen collected in the DesPlaines River Valley (southwest of Chicago)
was later identified as this species. Subsequent surveys uncovered
additional populations there, as well as northeast Wisconsin, Michigan,
and Missouri. All are associated with areas of groundwater-fed
wetlands that are perched over limestone bedrock.
Historical Records for this Species in Northeast Illinois are
available from Cook, DuPage, and Will counties.
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The populations are generally small, isolated, and
vulnerable to habitat loss or modifications as well as individual
mortality. The Hine's emerald dragonfly was listed as Endangered in 1995.
The Chicago Illinois Field Office is the
lead office for coordinating the Service's efforts to recover this
species. In addition to arranging periodic meetings of the
Hine's Emerald Dragonfly Recovery Team, we network and consult with other dragonfly
experts. We also completed (in 2001) the approved recovery
plan, and have helped implement other range-wide actions to recover this
species.
In the Chicago region we attend or hold meetings of land managers and
others with an interest in this species, and have funded various
projects which may contribute to recovery of local populations. These
include studies of population genetics and life history, conducted by
the Illinois Natural History Survey and
Illinois State
Museum.
Hines emerald dragonfly (Somatochlora hineana): Listed as
endangered in 1995. Pertinent web areas, and listing and recovery
literature and dates include:
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