268 U.S. NATIONAL MUSEUM BULLETIN 277 



base and dorsal half brown, remainder white. Front leg with coxa to 

 tibia straw yellow, tarsus darker toward tips; middle leg orange- 

 brown, hind leg red-brown. 



Abdomen segment 2 dark red-brown, rugose, metallic; segments 

 3-5 red-brown, rugose, metallic; segments 6 and 7 red-brown, shining. 

 Eighth segment orange-brown, sternum with two prominent lateral 

 points and convex median swelling, nearly as long as the points; see 

 figure for details. 



Male. — Unknown. 



Length: Female body 6 mm., wing 3.6 mm. 



Type-locality: Antelope Mt. (6500 ft.), Harney, Lake Co., 

 Oregon; 22 August 1931 (D. K. Frewing) ex Sabrosky Coll. 



Holotype: Female (USNM) 67457. 



180. Pseudatrichia saccharcupa, new species 



Figure 174 



Female. — Head red-brown; eyes black-brown, postocular flange 

 medium wide; frons slightly swoUen above the antennae, with faint 

 shining median groove bordered by longitudinal stria tions; ocellar 

 tubercle flat, not set off, oceUi red. Mouthparts brown; palpi red- 

 brown, half the length of the oral opening. Antennae with flrst two 

 segments red-brown, third segment red-orange with short hairs 

 glinting golden. 



Thorax dorsum black, with transverse striae; humeral callus red- 

 brown with orange spot, supra-alar callus orange; pleural areas deep 

 red-brown. Wings clear, veins red-brown; halter stem red-brown, knob 

 base and dorsal rib red-brown, remainder white. Front leg orange 

 with distal tarsal segments darker; middle leg with base of femur 

 orange, remainder of leg red-brown; hind leg with all segments red- 

 brown. 



Abdomen black, rugose, with a purple metallic sheen, membranes 

 brown on midline, white laterally; eighth segment red-brown, hairy, 

 eighth sternum with three points, median one shorter, rounded; see 

 figure for details. 



Male. — Unknown. 



Length: Female body 6.5 mm., wing 4 mm. 



Type-locality: Sugar Bowl Lodge, Placer Co., California; 26 July 

 1951. 



Holotype: Female (CAS) 8936. 



Paratype: 9 same data but 19 August 1951 (CAS). 



