Which *Hylaeus* species in the Pacific Northwest of North America is listed as a species of conservation concern?
Answer
Hylaeus anomalus
While Hawaiian species receive significant attention due to immediate endangered status, the genus *Hylaeus* also faces threats in other geographical areas, including the Pacific Northwest region of North America. The text specifically names *Hylaeus anomalus* as an example of a species within the United States that has been officially listed as a species of conservation concern. Similar to its relatives, *H. anomalus* is recognized as a cavity-nesting insect, known to utilize naturally occurring cavities found within wood for its reproductive efforts.

Related Questions
How do yellow-faced bees of the genus Hylaeus transport pollen differently than many other bees?What specialized structure found on honeybees do yellow-faced bees notably lack?What characteristic, cellophane-like substance do female Hylaeus bees use when constructing nest cells?Which of the following Hawaiian species is noted as being found across Oahu, Maui, Molokai, and Kauai?What is the Hawaiian name often used locally for native yellow-faced bees?Where is Hylaeus kuakea, a species found in dry forests, known to establish its nesting tunnels?What invasive agents in Hawaii are responsible for raiding the small nests of native yellow-faced bees?What type of nesting habitat is indicated by small, perfectly round exit holes in dead branches for cavity-nesting Hylaeus species?Which *Hylaeus* species in the Pacific Northwest of North America is listed as a species of conservation concern?What specialized requirement for supporting yellow-faced bees should gardeners focus on instead of just quantity of blooms?