1921] Vierecl' — Descriptions of New Ichneumonidai 77 



sculjDtnred area than elsewhere on the anterior half of mesonotum, 

 pronotum more or less striate all over, mesoi^leurffi and mesoster- 

 Dum mostly punctured and finely reticulated, the upper half of 

 the former partly striate, partly sculptureless or nearly so, scutel 

 sculptured much like the center of the mesonotum, metanotum 

 coarsely indefinitely sculptured, wings transparent with a uniform- 

 ly distributed bro-^mish tinge, subcosta blackish, stigma and other 

 veins dark brown excepting bullae and most of the terminal abscissa 

 of cubutus which latter is l)rownish-stramineous, areolet petiolate, 

 recurrent vein received distinctly beyond the middle, wing base yel- 

 lowish, tegulas yellowish and pale stramineous, fore coxfe blackish 

 brown at base, mostly yellowish, mid and hind coxae blackish, con- 

 colorous, fore and mid trochanters and their tibiae and tarsi mostly 

 yellowish, fore and mid femora reddish stramineous except for 

 yellowish tips, fore and mid onychiae brownish, their claws pectinate 

 and blackish, proximal trochanters of hind legs mostly blackish, 

 their distal trochanters yellowish, their femora, tibiae and tarsi 

 reddish, their claws pectinate and blackish, metapleurae sculptured 

 like lower half of mesopleurre; propodeum, mostly punctured and 

 shining, basal area wider at base than at apex and distinctly longer 

 than wide at base, not as distinctly separated from the areola as 

 from the pleural areas, areola and petiolarea confluent and rugoso- 

 punctate, costulae wanting, abdomen reddish, shining except the 

 petiole which is mostly black and almost polished, plica brownish, 

 petiole almost cylindrical, somewhat depressed above, with a fossa 

 on each side, post petiole minutely reticulated and convex, distance 

 between spiracles nearly two-thirds as great as the distance from 

 spiracles to apex, second tergite finely reticulated and punctured, 

 thyridia almost reniform, somewhat nearer to the lateral margin 

 than to the base, spiracle with its diameter equal to the distance 

 between it and the lateral edge of the second tergite, a little nearer 

 to the base than to the apex, rest of abdomen more or less com- 

 pressed, ovipositor a little longer than the apical truncature. In 

 the paratype the areolet is neither petiolate nor sessile. 



Idechthis nigriscapus sp. nov. 

 Type.— ?s"o. 11187, U. Q.T.. 



