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