Figs. 1, 2 in Investigations on the Biologies and Immature Stages of the Cleptoparasitic Bee Genera Radoszkowskiana and Coelioxys and Their Megachile Hosts (Hymenoptera: Apoidea: Megachilidae: Megachilini)

Figs. 1, 2. Nesting sites of Megachile nigripes and it cleptoparasites in Tel El Kebir, Egypt. 1. Abundant adults of this solitary bee and its cleptoparasites (as well as of other bees) nesting in adobe wall to the left. 2. Kariman Mahmoud (left) and Soliman M. Kamel standing in front of adobe building showing damage caused by numerous generations of Megachile nigripes and other solitary bees nesting in the walls; large holes left of each of person resulted from our excavations of the nests.