Endangered and Threatened Wildlife and Plants; Determination That Designation of Critical Habitat is Not Prudent for the Rusty Patched Bumble Bee

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We, the U.S. Fish and Wildlife Service (Service), have reconsidered whether designating critical habitat for the rusty patched bumble bee (Bombus affinis) would be prudent. On January 11, 2017, we published a final rule listing the rusty patched bumble bee as an endangered species under the Endangered Species Act of 1973, as amended (Act). In that final rule, we stated that designation of critical habitat may be prudent, but not determinable. We have now determined that such a designation would not be prudent. The present or threatened destruction, modification, or curtailment of habitat is not the primary threat to the species, and the availability of habitat does not limit the conservation of the rusty patched bumble bee now, nor will it in the future.