Keywords: taxonomy:binomial=bombus bifarius taxonomy:binomial=bombusbifarius biml droege yellowstone national park yellowstonenationalpark nps wyoming bombus bombus bifarius bombusbifarius bumblebee pwrc patuxent wildlife research center usgs pollinator pwrcpatuxentwildliferesearchcenterusgspollinator pwrc usgs patuxent wildlife research center patuxentwildliferesearchcenter bug bugs bee bees pollinator pollinators animal animals animalia arthropod arthropods arthropoda insect insects insecta hymenoptera aculeata anthophila apoidea apidae apinae bombini bumble bees bumblebees pyrobombus female wy side side view sideview wings stumpy bee stumpybee eye antenna zerene stacker zerenestacker zerene stacked macro macro photography macrophotography stackshot usgsbiml black background outdoor photo border Bombus bifarius, female, Yellowstone National Park, NPS, Wyoming Bombus bifarius, female, Yellowstone National Park, NPS, Wyoming |