Keywords: biml droege andrena maryland bee taxonomy:binomial=andrena nuda taxonomy:binomial=andrenanuda bug bugs bees animal animals animalia arthropod arthropods arthropoda insect insects insecta hymenoptera aculeata anthophila apoidea mining bees miningbees mining bee miningbee andrenidae andreninae andrena nuda andrenanuda female back top usgs somerset county somersetcounty trachandrena pwrc patuxent wildlife research center usgs pollinator pwrcpatuxentwildliferesearchcenterusgspollinator zerene stacker zerenestacker zerene stacked macro macro photography macrophotography stackshot usgsbiml black background Andrena nuda, Somerset County, Maryland, April 2012, female Andrena nuda, Somerset County, Maryland, April 2012, female |