Robuta

https://www.davidelement.net/hymenoptera72.htm David Element's Wildlife Web Page Hymenoptera 72 - Box-headed Mason Wasps web page mason wasps david element wildlife https://elp.tamu.edu/ipm/bugs/hymenoptera-vespidae-eumeninae-potter-and-mason-wasps-e-2/ Hymenoptera-Vespidae-Eumeninae-Leucodynerus-Potter and mason wasps (E) - Urban Programs - El Paso... mason wasps el paso hymenoptera vespidae eumeninae