SCENOPINIDAE OF THE WORLD 



127 



Antennae red-brown, first segment short, second lighter distally, 

 wider than long, third segment pear-shaped, over twice as long as 

 broad, over twice as long as the first two segments combined. 



Thorax dorsum dark red-brown, rugose with transverse striations, 

 very thinly haired, a small patch of silvery pubescence above the 

 humeral callus; humeral and supra-alar calli orange; scutellum dark 

 red-brown above, lighter below; pleural areas red-brown. Wings 

 milky, veins tan, halter stem brown, knob dark brown. Legs with 

 femora brown, tibiae orange-brown; tarsi cream basally, orange- 

 brown distally. 



Abdomen dark red-brown, segments 3-5 broadly white margined, 

 ninth tergum with a medioventral swelling on posterior margin; see 

 figure for details. 



Female. — Unknown. 



Length: Male body 3 mm., wing 2.1 mm. 



Type-locality: Patagonia, Ai'izona; 11 July 1950, (Paul P. Cook). 



Holotype: Male (UKan) 6290. 



86. Scenopinus cretatus, new species 



Figure 83 



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

 upper area twice as extensive as lower; frons triangular, rugose, 

 extending half the distance to the ocellar tubercle; mouthparts 



Figure 85. — Scenopinus cretatus, new species, male, female: a, wing; b, c, lateral and frontal 

 aspects of male head; d, e, lateral and frontal aspects of female head; /, enlarged 

 detail of antenna; g-i, ventral, lateral and posterior aspects of male terminalia; j, 

 ventral aspect of female 8th sternum; k, lateral aspect of female 8th and 9th segments; 

 /, female 9th sternum and bursa. 



