ICHNEUMON-FLIES — GELINAE : MESOSTENINI 505 



Hind margin of temple, and its occipital carina, not or only faintly bulged 

 outward at level of lower corner of eye; femora black 4 



4. Temple very weakly convex; second abscissa of discocubital about 1.4 as long 



as third abscissa; clypeus and upper margin of pronotum entirely black. 



2. leiomerus, new species 



Temple moderately convex; second abscissa of discocubital about 1.15 as long as 



third abscissa; clypeus and upper margin of pronotum marked with white. 



4. futnipennis, new species 



5. Propodeum and hind coxa entirely black 6 



Propodeum and hind coxa marked with white 8 



6. Hairs on front side of hind femur not very sparse, their sockets separated by 



about 0.7 the length of the hairs in male, by about 1.0 the length of the 



hairs in female 5. chrysobothridis Cushman 



Hairs on front side of hind femur sparse, their sockets separated by about 

 1.0 to 1.5 the length of the hairs in male, by about 1.5 to 2.5 the length of 

 the hairs in female 7 



7. Femora black or blackish; first abdominal segment black with its apical 0.25 ± 



ferruginous 6. nigricans, new species 



Femora ferruginous; first abdominal segment ferruginous, sometimes infuscate 

 basally 7. alamedensis (Ashmead) 



8. Mesopleurum and metapleurum each with a large white spot (fig. 338,g) ; hairs 



on front side of hind tibia rather sparse, their sockets separated by about 



0.7 their length 10. maculosus, new species 



Mesopleurum and metapleurum entirely black except for a white mark on 

 subtegular ridge; hairs on front side of hind tibia rather dense, their sockets 

 separated by about 0.3 their length 9 



9. Hairs on front side of hind femur rather close, their sockets separated by about 



0.75 the length of the hairs; ovipositor sheath about 0.75 as long as front 



wing 8. caudatus, new species 



Hairs on front side of hind femur sparse, their sockets separated by about 3.0 

 the length of the hairs; ovipositor sheath about 0.40 as long as front wing. 



9. ornatus Cushman 

 1. Cryptohelcostiziis dichrous Viereck 



Cryptohelcostizus dichrous Viereck, 1921, Psyche, vol. 28, p. 73; cf, ?• Type: 9, 

 Southern Pines, N. C. (Cambridge). 



Front wing of male 8.3 to 10.5 mm. long, of female 7,5 to 12.4 mm. 

 long; temple almost fiat, with sparse hairs all over; punctures on 

 mesopleurum separated bj^ about 0.7 their diameter; prepectal carina 

 usually distinct above, usually reaching subtegular ridge (obsolescent 

 or obsolete above and not reaching subtegular ridge in other species 

 of the genus); hairs on front face of hind femur moderately dense, 

 their sockets separated by about 0.7 the length of the hairs; areolet 

 large, about 0.78 as high as radial cell, about 1.1 as long as high; 

 second abscissa of discocubital about 1.2 as long as third abscissa of 

 discocubital; punctures on second tergite separated by about 1.2 their 

 diameter; ovipositor sheath about 0.35 as long as front wing. 



Black. Narrow frontal orbit, often narrow facial orbit, and narrow 

 hind orbit, whitish; hind femur of male ferruginous, its base and apex 

 narrowly infuscate; wings black; abdomen ferruginous. 



589900—62 33 



