common yellow-face bee

aid animal bee bees biodiversity black box busy cavity cavitynest cellophanelike closeup colletidae common communis condo cornuta determination diligent environment exit female garden gland glandular habitat hive hole hotel house hylaeinae hylaeus insect insects macro mason mating membranous minded nature nest nesting nests osmia piece preexisting seals secretion small solitary spring springtime useful wild wildlife wood yellowface