Life … Animals Arthropods Insects Hymenopterans Mason, Leafcutter, Carder, and Resin Bees Leafcutter, Mortar, and Resin Bees Argyropile Megachile townsendiana species 1 observations Megachile townsendiana Megachile townsendiana Field notes Supported by All 1 native plantssupport it in the US Nectar plants Plants whose flowers it visits Arrowweed 1 Close