Bee-block-occupant
Guides
Stenodynerus anormis
Mason wasp
Stenodynerus anormis is a solitary mason wasp in the subfamily Eumeninae. The species is difficult to distinguish from the related genus Parancistrocerus based on live specimens or photographs; microscopic examination of actual specimens is often required for positive identification. Females are known to provision nest cavities with paralyzed caterpillars as food for their larval offspring. The species has been documented utilizing artificial nesting structures such as bee blocks.