106 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 115 



side of apex, becomirig somewhat scattered medially with about 10 

 bristles; anteriorly on scutellum about 20 strewn bristles. Antero- 

 lateral bristles about 27. 



Beard of fore legs 6 times diameter of tarsus; legs stramineous; nar- 

 row apical brown band on femora, extreme base and apex of tibiae and 

 apex of Tai and 2; Tas to 5 largely dark. Fore tibia with triangular 

 spur that bears 16 side barbs; ratio of spur length to apical tibial di- 

 ameter 43 :40. Middle tibia with 2 spurs more linear than that of fore 

 tibia; longer spur with 17 side barbs; shorter spur more triangular, but 

 less so than fore leg. Ratio of length of middle spurs 34:45. Hind 

 tibia with 15 side teeth on longer spur; 3 bristles in comb. Ratio of 

 length of hind spurs 32:45. 



Cross veins of wings brown with surrounding membrane narrowly 

 darkened; R2+3 directly above Cui; Cuo sharply bent downward at 

 wing margin; anal vein reaches to middle of CU2; anal lobe well devel- 

 oped. Wing length 4.51 mm.; venarum ratio 0.89. 



Allotype: In USNM: Collected with holotype male. 



Lighter colored than male with vittae yellowish-orange and abdomi- 

 nal fasciae pale brown. Wing length 4.59 mm.; fore leg ratio 0.46; 

 venarum ratio 0.93; body length 3.89 mm.; ratio of last 3 tarsal seg- 

 ments of middle leg, 54:37:32. 



Paratypes: In USNM: 3 females, Alturas, Modoc Co., July 14, 

 1948, W; 2 females, Stronghold, Modoc Co., July 17, 1948, W. In 

 UCLA: 1 female, Los Angeles Co., March 22, 1933, W. Grisel. 



Females: Wing length, range 3.33-4.81; mean 4.42 mm. (5); fore 

 leg ratio, range 0.46-0.71; mean 0.56 (5); venarum ratio, range 

 0.90-1.54; mean 1.03 (5) ; body length, range 3.33-4.20; mean 3.63 (4). 



This species most closely resembles A. hirtipennis (Loew), fide Mal- 

 loch (1915), which is distinguished, however, by its short-haired fore 

 legs and the curved dististyle of the male genitalia. 



Anatopynia (Psectrotanypus) dyari (Coquillett) 



Tanypus dyari Coquillett, Ent. News, vol. 13, p. 85, 1902. 



Males: Wing length, range 3.78-4.37; mean 4.14 mm. (5); fore 

 leg ratio 0.63-0.67; mean 0.65 (5); antennal ratio, range 1.96-2.30; 

 mean 2.13 (5) ; venarum ratio, range 0.90-0.97; mean 0.92 (5) ; prealar 

 bristles about 36 (1). 



Females: Wing length, range 3.70-3.85; mean 3.79 mm. (3); fore 

 leg ratio 0.56, 0.56 (2); venarum ratio 0.90, 0.98 (2). 



