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.

Which *Hylaeus* species in the Pacific Northwest of North America is listed as a species of conservation concern?
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