SCENOPINIDAE OF THE WORLD 



109 



to be that species. The previously unknown female is also believed to 

 belong to this pecies. 



Male. — ^Head black; eyes dark red-brown above, black below; 

 frons rugose with a median furrow ending in a shallow pit where the 

 eyes become contiguous. Ocellar tubercle prominent, with red ocelli. 

 Antennae with first segment short, brown; second red-brown, twice as 

 large as the first; last segment brown, pear-shaped, ending in a single 

 point (Krober says a truncated cone). 



Figure 73. — Scenopinus unifasciatus (Krober), male, female: a, male wing; b, female wing; 

 c, d, lateral and frontal aspects of male head; e, f, lateral and frontal aspects of female 

 head; g, h, enlarged details of male and female antennae; i-k, ventral, lateral and posterior 

 aspects of male terminalia; /, lateral aspect of female 8th and 9th segments; m, dorsal 

 aspect of female 8th and 9th tergites with 8th sternum outlined; n, female 9th sternum and 

 bursa. 



Thorax dorsum black, rugose with sparse white hairs; humeral and 

 supra-alar calli red-brown; pleura black-brown. Wings smoky brown, 

 veins brown; halter stem black-brown, knob white with a tan base. 

 Legs uniform red-brown throughout. 



Abdomen black-brown, granulose, segments 3-5 with posterior white 

 bands. Terminalia black; see figure for details. 



Female. — Head red-brown; eyes brown, with a medium broad post- 

 ocular ridge; frons rugose with a smooth median groove extending to 

 the median ocellus wliich is depressed, and swelling on either side of 

 ocellar triangle, hairs on lower frons directed ventrolaterally. Ocellar 

 triangle not set off, ocelli orange-red. Mouthparts brown, well devel- 

 oped; sides of oral opening lined with brown pubescence. Antemiae 



