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U.S. NATIONAL MUSEUM BULLETIN 277 



Figure 103. — Scenopinus serratus, new species, male: a, wing; b, c, lateral and frontal 

 aspects of head; d, enlarged detail of antenna; e-g, ventral, lateral and posterior aspects 

 of terminalia, missing portion of ejaculatory syringe outlined in dashed lines. 



brown, twice as large as the first; third segment orange-brown dusted 

 with white, elongate oval, twice as long as wide. 



Thorax dorsum black with a patch of silvery pile above the humeral 

 callus which is red-brown with an orange tip ; pleural areas dark red- 

 brown. Wings hyaline, veins tan; halter stem tan, knob tan-brown 



