closeup on a mediterranean woodboring bee, lithurgus chrysurus on a yellow flower

arthropoda arthropod asteraceae bee centaurea solstitialis ecology flora hymenoptera insect lithurgus chrysurus mediterranean woodboring megachilidae nature yellow star thistle starthistle animal biology closeup daisy family entomology female flower flowering goldentailed woodborer invertebrate knapweed macro natural one outdoors pollen pollinator single sitting solitary summer wildflower wildlife wood borer