FIGURES 16–18 in Nesting Biology, Flower Preferences, and Larval Morphology of the Little-Known Old World Bee Ochreriades fasciatus (Apoidea: Megachilidae: Megachilinae)

FIGURES 16–18. SEM micrographs of central part of anterior cell partition of Ochreriades fasciatus with surface covered by transparent layer of silk of front end of cocoon now made visible by reflected electrons. Note feces and part of anterior cell partition, upper left. 17, 18. Sequential close-ups of rectangle in 16. showing silk surface. FIGURES 19–21. SEM micrographs of inner surface of front end of cocoon showing fenestrations of central air portal. 19. Entire front end. 20. Close-up of central part identified by rectangle a, figure 19. 21. Close-up of central part identified by rectangle b, figure 19. FIGURE 22. SEM micrograph of piece of inner surface of cocoon wall with bits of debris on glassy smooth, transparent inner surface of silk that had bee applied over fibrous silk.