closeup on a small plant parasitre wasp, cephus nigrinus sitting on a yellow buttercup flower

arthropoda arthropod cephidae cephus nigrinus dark stem borer ecology flora hymenoptera insect magnification meadow buttercup nature plant ranunculaceae ranunculus acris boring symphyta animal biology botanical close closeup detailed entomology flower flowering invertebrate macro mating natural one outdoors parasite reproduction sawfly single wild wildflower wildlife yellow