solitary resin bee heriades crenulatus

animal approach approaching aspire aste aster asteraceae awareness biodiversity bringing busy cavity closeup condo conservation crenulata crenulatus determination diligent environment female flight flowers flying garden grains habitat heriades hole hollow honey honeybee hotel house insect mason megachilidae minded nature nectar nest osmia pollen pollination protected rare reed resin resinbee seldom single small solitary stalk useful bee