120 U. S. NATIONAL MUSEUM BULLETIN 216 



tooth or tuft of hairs on inner side; apical notch of subgenital plate 

 about 0.25 as deep as wide. 



Black. Antenna dark brown, paler basally beneath; apical half of 

 mandible reddish brown; palpi stramineous; tegula pale yellow, often 

 partly tinged with fulvous, legs dark to medium brown, the tibiae and 

 tarsi pale brown. 



Type: 9, Dardanelle, Calif., July 8, 1948, H., M., G., D., and J. 

 Townes (Washington, USNM 63631). 



Paratypes: 9, foothills west of Fort Collins, Colo., June 20, 1896, 

 C. F. Baker (Washington). 9, "Forresters at 8,500 ft.," Colo., July 

 19, 1895, C. F. Baker (Washington). 9, Seaside, Oreg., Aug. 7, 1940, 

 H. and M. Townes (Townes). 



8. Triclistus propinquus (Cresson) 



Figure 187,h 



Exochus propinquus Cresson, 1868, Trans. Amer. Ent. Soc, vol. 2, p. 114; d", 9 . 

 Lectotype: 9 , Connecticut (Philadelphia). 



Male: Not known with certainty. 



Female: Front wing 5.3 to 6.6 mm. long; face rather strongly mat, 

 its punctures moderately coarse, their interspaces about 0.3 their 

 diameter; temple flat, its hairs rather long and sparse, evenly spaced; 

 last segment of maxillary palpus about 4.5 as long as wide (which is a 

 little longer than usual for the genus) ; metapleurum with to 5 hairs; 

 median longitudinal carinae of propodeum heavy; areola elongate 

 pentagonal, narrowly confluent with basal area or separated from 

 basal area by approximation of the median longitudinal carinae; 

 costula complete, always as strong as median longitudinal carinae; 

 hairs on second lateral area of propodeum rather sparse; areolet 

 usually absent; hairs on hind tibia and tarsus definitely sparser and 

 longer than in other Nearctic species of Triclistus, the hairs on upper 

 side of hind basitarsus about 0.75 as long as depth of the basitarsus 

 (about 0.35 as long as depth of the basitarsus in the other Nearctic 

 species) ; hind spur of hind tibia (including its hairs) about 4.8 as long 

 as wide; second segment of hind tarsus about 2.8 as long as wide; 

 first tergite about 1.35 as long as wide, its dorsal carinae extending 

 about 0.54 its length; last segment of hind tarsus without a subapical 

 ventral projection or tuft of hairs on inner side; apical notch of sub- 

 genital plate about 0.15 as deep as wide. 



Black. Antenna dark brown, paler below, especially basally; 

 apical half of mandible ferruginous; palpi pale stramineous; tegula 

 pale yellow; legs fulvous. 



Specimens: 9, Coleta, Ala., H. H. Smith (Washington). 9 (type), 

 Conn. (Philadelphia). 9, Neel Gap, Rabun Co., Ga., May 22, 1946, 

 P. W. Fattig (Washington). 39, Takoma Park, Md., May 24, 1942, 



