Listing 15 Species on Hawaii Island as Endangered and Designating Critical Habitat for 3 Species: Proposed rule.

We, the U.S. Fish and Wildlife Service (Service), propose to list 15 species on the Hawaiian island of Hawaii as endangered species under the Endangered Species Act of 1973, as amended (Act), and to designate critical habitat for 1 of these species. For the remaining 14 species that we are proposing to list in this rule, we find that critical habitat is not determinable at this time. We also propose to designate critical habitat for two plant species that were listed as endangered species in 1986 and 1994. The proposed critical habitat designation totals 18,766 acres (ac) (7,597 hectares (ha)), and includes both occupied and unoccupied habitat. Approximately 55 percent of the area being proposed as critical habitat is already designated as critical habitat for 42 plants and the Blackburn's sphinx moth (Manduca blackburni). In addition, we propose a taxonomic change for one endangered plant species.