Keywords: taxonomy:binomial=andrena nuda taxonomy:binomial=andrenanuda biml droege andrena maryland bug bugs bee 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 abdomen back rear usgs somerset county somersetcounty trachandrena posterior 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 |