Which of the following Hawaiian species is noted as being found across Oahu, Maui, Molokai, and Kauai?
Answer
Hylaeus anthracinus
*Hylaeus anthracinus* is specifically mentioned as one of the native Hawaiian yellow-faced bee species currently under consideration for protection under the Endangered Species Act. This particular species has a relatively broad distribution compared to some of its highly restricted island relatives, having been found historically and currently across several major Hawaiian islands, including Oahu, Maui, Molokai, and Kauai. Its description notes that it is generally black in coloration, accented by the group's characteristic yellow markings on the face. Its historical widespread distribution has become more fragmented over time, contributing to its conservation concern.

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