14. a) Fore and hind trochanter with angulate process broad and rounded (Figure 24a); S5 with apical process, disc of S5 bare (Figure 25a); metasomal terga with apical margins strongly hyaline, the pale basal fasciae of underlying segment clearly visible (Figure 26a) ….. Dufourea trochantera Bohart
b) Fore and hind trochanter unmodified (Figure 24b); S5 without apical process, disc of S5 finely pubescent (Figure 25b); metasomal terga with apical margins not hyaline (Figure 26b) ….. 15