three solitary bee species heriades truncorum, megachile rotundata, stelis breviuscula on a yellow inula flower

arthropoda armouredresin bee arthropod asteraceae elecampane flora heriades truncorum hymenoptera insect inula officinalis largeheaded leaf cutting megachile rotundata megachilidae nature resin stelis breviuscula alfalfa leafcutter leafcutting animal wildlife armoured cleptoparasite close up closeup daisy entomology flower garden invertebrate little macro outdoor parasite pollinator single small solitary wild wildflower yellow natural