closeup on a gray-backed mining bee, andrena vaga infected by a stylops ater, sitting on wood

arthropoda andrena vaga andrenidae arthropod bee hymenoptera insect nature strepsiptera stylops ater adult animal backed biology close closeup detail endoparasite endoparasitic entomology fauna fluffy grey greybacked hairy invertebrate macro mining natural one outdoor pollination pollinator single solitary white wild wildlife wing detailed female graybacked infected by sitting wood