FIGURE 12 in Nest Architecture, Immature Stages, and Ethnoentomology of a New Species of Trigonisca from Northern Colombia (Hymenoptera: Apidae)

FIGURE 12. SEM micrographs of mature larva of Trigonisca (Trigonisca) mepecheu Engel and Gonzalez, new species. A. Entire larva, oblique frontal view. B. Close-up of pro- and mesothoracic segments showing paired segmental dorsolateral tubercles (arrows) and distribution of fine spicules. C. Close-up of meso- and metathoracic segments and of first abdominal segment showing dorsolateral tubercles along left side as well as distribution of fine spicules. D. Head, frontal view, demonstrating extreme width, and showing pronounced, dome-shaped antennae. E. Same, oblique lateral view. F. Close-up of labrum and mandibles, frontal view, showing cluster of multipronged spicules at lower edge of labrum as well as sharp-pointed mandibles. G. Close-up of left side of cluster of multipronged spicules along lower edge of labrum and sharply toothed upper edge of left mandible, possibly used as comb to push provisions through prongs toward esophagus.