Life … Animals Arthropods Insects Hymenopterans Mason, Leafcutter, Carder, and Resin Bees Ashmeadiella Cubitognatha subgenus Cubitognatha Cubitognatha Children Square-jawed Angled-Mason native Most observed native Cubitognatha All Native to the US, by observations. Square-jawed Angled-Mason Ashmeadiella xenomastax 1 observations Close