closeup on a male little dark bee, stelis breviuscula, a parasite on heriades truncorum on a yellow helenium flower

arthropoda arthropod bee ecology flora helenium hymenoptera insect megachilidae nature plant sneezeweed flower stelis breviuscula animal biology botanical botany cleptoparasite closeup copyspace dark entomology flowering invertebrate little macro male outdoors parasite pollinator single solitary wild wildflower wildlife natural heriades truncorum yellow garden