Figs. 41–44 in Nests, Petal Usage, Floral Preferences, and Immatures of Osmia (Ozbekosmia) avosetta (Megachilidae: Megachilinae: Osmiini), Including Biological Comparisons with Other Osmiine Bees

Figs. 41–44. Microphotographs of fifth larval instar of Osmia avosetta. 41. Setae of pleural swelling, left side of abdominal segment 8, as identified by rectangle in figure 32. 42. Spiracle showing narrow peritreme relative to large atrial opening and wrinkled atrial wall. 43, 44. Short and long subatria, respectively. (Photos J.G. Rozen).