102a
(100b).    Costa continues around
wing.................................................................……............................
103 
 
 
102b.    Costa reaches only to wing apex; 4th vein (M-1) ends before
wing tip; 3 posterior cells
             (Figs.A-B) (larvae are
predators of larvae of Coleoptera)..........(Diptera) 
Scenopinidae
 
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                                       A                                                   B