closeup of the colorful blue-eyed cleptoparasite bee, epeoloides coecutiens, on a purple knapweed

arthropoda arthropod asteraceae bee centaurea jacea epeoloides coecutiens european hymenoptera insect nature yellowloosestrife animal biology blue eye blueeyed brown knapweed brownray cleptoparasite close closeup colorful colourful cuckoo daisy family detailed ecology entomology flower flowering invertebrate kleptoparasite kleptoparasitic macro outdoor parasite pollinator purple single solitaire solitary wild wildflower wildlife natural