474 



U. S. NATIONAL MUSEUM BULLETIN 216 



Figures 214-217. — Localities: 214 (left), Odontocolon sierrae; 215 (center, left), 

 O. parvum; 216 (center, right), 0. hrevicaudus ; 217 (right), 0. dichrous. 



16. Odontocolon brevicaudus (Cushman) 



Odontomerus brevicaudus Cushman, 1930, Proc. U. S. Nat. Mus., vol. 77, art. 3, 

 p. 7; ?. Type: 9, Hedley, B. C. (Ottawa). 



Male: Front wing 4.2 to 8.2 mm. long; first flagellar segment about 

 1.22 as long as second; punctures on mesoscutum moderately strong, 

 separated by about 1.8 their diameter; propodeal teeth about 0.4 as 

 long as their basal width ; punctures on hind femur moderately strong 

 and close, sparser ventrally, near lower edge of femur separated by 

 about 1.7 their diameter; second segment of middle tarsus about 3.4 

 as long as wide; fifth segment of hind tarsus about 0.88 as long as 

 second segment; second tergite almost or quite polished, its basal 

 0.15 ± rugulose, its punctures rather sharp, separated from each other 

 by about 2.7 their diameter. 



Black. Labrum fulvous; palpi light brown; tegula dark brown; 

 front and middle legs fulvous, their tarsi brownish apically; hind coxa 

 dark brown or blackish, sometimes partly fulvous but at least its 

 base dark colored; hind trochanters and femur fulvous; hind tibia 

 fulvous, its upper half infuscate; hind tarsus infuscate; wings faintly 

 tinged with fuscous. 



Female: Front wing 4.4 to 11.4 mm. long; flagellum with about 40 

 segments, its first segment about 1.4 as long as second; head about 

 1.00 as wide across temples as across eyes; punctures on temple of 

 moderate size, separated by about 1.5 their diameter; thorax about 

 2.40 as long as high; upper 0.35 ± of pronotum with small punctures 

 that are separated by about 1 to 3 times their diameter; trough of 

 pronotum with about 10 moderately long transverse ridges and pos- 

 teroventrally with coarse, irregular wrinkling that is mostly horizontal ; 

 punctures on mesoscutum moderately small, moderately sharp, sepa- 

 rated by about 3 times their diameter; mesepimeron with hairs all 



