SCENOPINIDAE OF THE WORLD 



229 



Length: Female body 5.3 mm., wing 3.2 mm. 

 Type-locality: Claremont, California (Baker). 

 Holotype: Female (USNM) 67466. 



154. Pseudatrichia barnesi, new species 



Figure 148 



Male. — Head black; eyes black-brown above, darker below; frons 

 shining, with a protuberance above the antennal socket, very narrow 

 below the median ocellus; ocellar tubercle prominent, ocelli clear. 

 Mouth])arts red-brown, filling three-fourths of the oral cavity; palpi 

 dark red-brown, half the length of oral cavity. Antennae black-brown; 

 see figure for details. 



Figure 148. — Pseudatrichia barnesi, new species, male, female: a, wing; b, c, lateral aspects 

 of male and female heads; d, dorsal aspect of female head; e, f, enlarged details of male 

 and female antennae; g-i, ventral, lateral and posterior aspects of male terminalia; ;', 

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



Thorax dorsum black, humeral and supra-alar calH orange-brown, 

 pleural areas red-brown. Wings clear, veins light brown; halter stem 

 brown, knob with dorsal edge brown bleeding into white ventral 

 portion. Front leg with femur red-brown, tibia yellow-orange, tarsus 

 brown; middle legs brown-orange; hind legs red-brown. 



Abdomen second segment black, granular; remainder black; ninth 

 tergum pointed; ventral margin shorter; fringe of hairs on sternum 



