ICHNEUMON-FLIES OF AMERICA: 1. METOPIINAE 



243 



planes, their punctures rather small, not strong, on face separated by 

 about 0.7 their diameter, on clypeus a little sparser; apical angle of 

 interantennal process about 105 degrees; median swelling of frons 

 rather strong and sharply delimited; hind ocellus separated from eye 

 by about 0.78 its long diameter in male, by about 0.94 its long diam- 

 eter in female; median half of clypeal margin straight or in the middle 

 faintly concave; mandible with small, weak, scattered punctures, 

 rather broad, abruptly tapered toward apex, its lower tooth very 

 small; costula absent or represented by short stubs; second lateral 

 area of propodeum usually with a few hairs basally and apicolaterally; 

 nervulus distad of basal vein by about 0.65 its length; hind femur 

 about 2.20 as long as deep in male, about 2.11 as long as deep in 

 female; front spur of hind tibia about 2.0 as long as wide in male, 

 about 2.3 as long as wide in female; second abdominal tergite with 

 medium-sized, sharp punctures, very sparse medially, sublaterally 

 separated by about 2.0 their diameter; male clasper moderately wide, 

 its hairs moderately dense, roundly tapered from below to a sharply 

 rounded apex. 



Black. Face, orbital wedge on lower 0.5 ± of frons, large triangular 

 spot at top of eye, cheek, adjacent temple, clypeus, mouth parts, 

 under side of scape, under side of pedicel of male, lower 0.5 ± of 

 propleurum of male, very wide hind corner of pronotum tapering 

 forward to about notaulus in male and to about epomia in female, 

 tegula, and subtegular ridge, pale yellow or ivory white; flagellum 

 blackish brown, brown below; propleurum of female largely fulvous; 

 pronotum largely fulvous ventrally and posteriorly; thoracic sterna 

 and pleura varying from all black to all fulvous, usually mostly or 

 entirely fulvous but sometimes entirely black in specimens from more 

 northern localities; prepectus and forward parts of mesosternum and 

 mesopleurum more or less white in male; mesoscutum and scutellum 



Figure 145. — Localities for 

 Exochus postfurcalis. 



