232 



U.S. NATIONAL MUSEUM BULLETIN 2 77 



Thorax dorsum black, with transverse striations; humeral and 

 supra-alar calli red-brown; pleural areas red-brown. Wings clear, 

 veins brown; halter stem brown, knob white. Forelegs with femora 

 and tibiae orange, tarsi brown; middle leg with femur orange, tibia 

 red-brown, tarsus brown; hind leg with femur orange basally, red- 

 brown distally, tibia red-brown, first segment of the tarsus orange, 

 remainder brown. 



Figure 150. — Pseudatrichia hryanti, new species, female: a, wing; b, lateral aspect of head; 

 c, dorsal aspect of head; d, enlarged detail of antenna; e, ventral aspect of 8th sternum; 

 /, lateral aspect of 8th and 9th segments. 



Abdomen second segment black, metallic, with a small lateral 

 white patch on the membrane; remaining segments black, metallic, 

 with larger white patches. Eighth segment red-brown, sternum blunt; 

 see figure for details. 



Male. — Unknown. 



Length: Female body 6-7 mm., wing 3.6-4 mm. 



Type-locality: Santa Catalina Mts., Arizona; 15 June 1938 

 (Bryant) . 



Holotype: Female (CAS) 8933. 



Paratypes: 1 9, same data as type (CAS); 1 9, S. Catalina Mts., 

 Arizona, alt. 9000 ft., 6 June 1926 (R. B. Streets) (USNM); 

 1 9, Cave Creek Canyon (S. W. Research Sta. of AMNH; 5000 ft.), 

 Chiricahua Mts. Cochise Co., Arizona, 21 April 1959 (S. M. and S. N. 

 Burns) (UCalD). 



157. Pseudatrichia bupennis, new species 



Figure 151 



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

 tapering from above the antennae to halfway to the median ocellus, 

 rest relatively broad, equal to half the width of the median ocellus, 

 relatively smooth with two rows of punctures; ocellar tubercle promi- 

 nent, ocelli clear; mouthparts red-brown, palpi very slender, short; 

 oral opening bordered by gray pubescence, laterad of antennae. 



