ICHNEUMON-FLIES OF AMERICA: 1. METOPIINAE 255 



Black. Face, frontal orbit (sometimes narrowly connected with spot 

 at top of eye), large triangular spot at top of eye, cheek, lower 0.4 ± 

 of temple, mouth parts, front of scape, upper hind part of pronotum 

 (very wide posteriorly, narrowing anteriorly and reaching just for- 

 ward of epomia), tegula, subtegular ridge, area on upper part of 

 prepectus, and obscure apex of scutellum, pale yellow; flagellum 

 brown beneath; lower half of propleurum pale fulvous; mesopleurum 

 and metapleurum partly ferruginous or suffused with ferruginous; 

 front and middle legs pale }~ellow, then femora on basal 0.7 ± and 

 their tarsi apicaUy tinged with fulvous; hind coxa fulvous, ivory 

 apically above; hind trochanters yellowish fulvous; hind femur fulvous, 

 faintly infuscate at apex above; hind tibia whitish, largely pale fulvous 

 below, its apical 0.24 ± dark brown; hind tarsus white, its apical 

 segment mostly brown. 



Type: 9, Takoma Park, Md., Aug. 9, 1943, H. and M. Townes 

 (Washington, USNM 63675). 



Paratypes: 49, Takoma Park, Md., Aug. 5, 9, 19, and 25, 1943, H. 

 and M. Townes (Townes). 



48. Exochus cuneatus, new species 



Figures 190,n; 196,b 



Male type: Front wing 3.7 mm. long; combined face and clypeus 

 0.83 as high as wide, rather strongly convex, the face medially with 

 a weak longitudinal ridge on its upper 0.7 (this may be an abnormality 

 in the single specimen at hand) ; apical angle of interantennal process 

 110 degrees; median area of frons moderately raised but below the 

 median ocellus much more strongly raised as a narrow, wedge-shaped 

 swelling that terminates ventrally between antenna! sockets in a high 

 bladelike carina; median 0.5 of clypeal margin straight; mandible of 

 moderate size, weakly twisted toward its apex, evenly tapered from 

 base to a narrow apex, its outer face rather convex and sparsely 

 punctate, its lower tooth very small and upper tooth of moderate 

 size; second lateral area of propodeum with hairs basally and medially; 

 front spur of hind tibia 1.9 as long as wide; punctures of second tergite 

 small, rather weak, medially very sparse or absent, the sublateral 

 ones separated by about 1.7 their diameter. 



Black: Face, lower lateral part of frons, large triangular spot at 

 top of eye, cheek, lower 0.65 of temple, clypeus, mouth parts, front 

 of scape, pronotum except anterodorsally, propleurum, tegula, sub- 

 tegular ridge, mesosternum, mesopleurum except below subtegular 

 ridge, metapleurum, front and middle legs, hind coxa, and lateral 

 part of second through fifth tergites, pale whitish yellow; flagellum 

 dark brown beneath; scutellum obscurely stramineous at apex; hind 

 trochanters and femur pale fulvous, the femur pale whitish yellow 



451582—59 18 



