ICHNEUMON-FLIES OF AMERICA I 1. METOPIINAE 



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epipleurum of third tergite moderately wide, its inner edge semi- 

 circularly convex. 



This group includes E. stenostoma from western North America, 

 E.erythronotus (Gravenhorst) 1820, from Europe, and an undetermined 

 species from Japan. 



1. Exochus stenostoma, new species 



Figure 188,a,l; 191,a 



Front wing 3.4 to 4.3 mm. long; costula incomplete; second lateral 

 area of propodeum with hairs on its entire surface or with its inner 

 0.3 or less bare; interspaces of punctures on second abdominal tergite 

 about 0.5 their diameter in male, about 0.7 their diameter in female. 



Black. Upper margin of face and a short oblique line laterad of 

 antenna, ivory; mandible black, paler apically; maxilla and labium 

 stramineous to fulvous; tegula fulvous, ivory basally; extreme apex of 

 femora and basal 0.2 of tibiae externally, dirty ivory; middle and 

 hind tarsi of male stramineous, brownish apically and on apex of their 

 basal segment; legs otherwise fulvous, their hind coxa, hind femur, 

 hind tibia, and of female the middle and hind tarsi, usually more or 

 less infuscate. 



This is close to the European E. erythronotus (Gravenhorst) 1820, 

 but differs somewhat in color and in being more densely punctate. 



Type: 9, Leevining, Calif., June 22, 1948, H., M., G., and D. Townes 

 (Washington, USNM 63645). 



Paratypes: d\ Parker Creek, Sierra Ancha, Ariz., May 4, 1947, 

 H. and M. Townes (Townes). d\ Nanaimo Biological Station, 

 B. C, June 27, 1920, E. P. Van Duzee (San Francisco). d\ 9, 

 Alhambra, Calif., Feb. 5 and 6, 1915, J. D. Neuls (Washington). 

 d\ Bakersfield, Calif., July 13, 1951, L. W. Isaak (Davis). d\ in 

 light trap, Benicia, Calif., Sept. 10, 1956, E. Megger (Davis). 2d 1 , 

 Dardanelle, Calif., July 8, 1948, H., M., G., D., and J. Townes 



Figure 105. — Localities 

 Exochus stenostoma. 



for 



