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A Key to the Nearctic Genera of Therevidae

3. The lower frons of both sexes is entirely shiny. The head is strongly protruding forward. The eyes are separated by more than the width of the ocellar tubercle. (Fig. 2) Yes, next couplet

 

The lower frons is at least partially tomentose. The head is not strongly protruding forward. The eyes are separated at most by the width of the ocellar tubercle. Yes, next couplet

 

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Last updated 12 October, 2007 .

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