115a (111b). Proboscis shorter than head; head never broader than thorax;
first posterior cell
not quite narrowed
apically.....................................................................................………............
116
115b. Proboscis longer than head, slender and rigit, often folding;
head wider than thorax; first
posterior cell
narrowed or closed apically; abdomen clavate (= club-like), bent downward
at apex (Figs.A-B) (parasitoids of wild
bees).......................................................(Diptera) Conopidae
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A
B