97a.    Tegula small or
vestigal............................................…………………...............….....……....................... 98 
 
 
 
97b.    Tegula large, covering haltere; head very small, positioned low
down and composed
almost entirely of compound eyes; body
humpbacked (Fig.A) (parasitoids of spiders) 
…………………………………………………………..................……………..(Diptera)  Acroceridae
 
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                             A