FIGURES 37, 38 in Nest Site Selection and Nesting Behavior of the Bee Lithurgopsis apicalis (Megachilidae: Lithurginae)

FIGURES 37, 38. SEM micrographs of defecating fifth instar of Lithurgopsis apicalis, lateral view, showing spicules and fine setae on dorsal surface of abdominal segment 3. 37. Dorsal surface and 38. lateral lobe. Specimens used for SEM examination were from Nebraska, Keith Co., Cedar Point Biological Station, July 9, 1987 (J.G. Rozen), from nests in a dead cottonwood snag, preserved as last stage larvae (collection of AMNH). They were compared with and found to be identical to the Parker and Potter material and to those reared from the current study.