solitary resin bee & x28;heriades crenulatus& x29;

animal awareness background biodiversity blurred busy cavity closeup condo conservation crenulata crenulatus diligent environment female garden habitat heriades hole hollow honey honeybee hotel house insect leaving look looking lookout mason megachilidae minded nature nectar nest osmia pollen pollination protected rare reed resin resinbee seldom single small solitary stalk useful