Keywords: bee apoidea biml droege hymenoptera megachile megachilidae taxonomy:binomial=megachile rotundata taxonomy:binomial=megachilerotundata usgs back dorsal bug bugs bees animal animals animalia arthropod arthropods arthropoda insect insects insecta aculeata anthophila megachilinae megachilini eutricharaea megachile rotundata megachilerotundata alfalfa leafcutter bee alfalfaleafcutterbee male maryland md abdomen wings iridescent iridescence pwrc patuxent wildlife research center usgs pollinator pwrcpatuxentwildliferesearchcenterusgspollinator zerene stacker zerenestacker zerene stacked macro macro photography macrophotography stackshot usgsbiml black background Megachile rotundata, male, Maryland 2012 Megachile rotundata, male, Maryland 2012 |