vertical closeup on a common brown-banded carder bee, bombus pascuorum on a flower

arthropoda apiaceae arthropod bee bombus pascuorum caucasus common ecology eryngium giganteum flora hymenoptera insect iran lifestage nature plant willmotts ghost worker animal biology brown bumble carder closeup entomology flower garden green herbaceous invertebrate macro natural one outdoors perennial pollinator single solitary thistle umbellifers wild vertical