406 DESCRIPTIONS OF ICHNEUMONID.E ASHMEAD. 



Hemiteles pallidus, sp. nov. 



Male.— Length 3 mm . Slender, pale yellow, ferruginous, smooth, 

 shining; head quadrate; antennae slender (broken); metathorax longer 

 than high, shagreened, delicately areolated, the upper basal areas al- 

 most obliterated. Wings hyaline, iridescent; stigma and veins pale 

 brown, the former with a pale spot at base, the third discoidal cell is 

 longer than usual, the cubitus nearly straight, median and submediau 

 cell of an equal length. 



Habitat. — Texas. 



Described from one specimen in Belfrage Collection. This little 

 species at first sight looks much like an Hecabolus in the family Bracon- 

 idee, on account of its quadrate head. 



MESOSTENUS Grav. 



Mssostenus erythrog*ster, sp. nov. 



Male. — Length, 10 mm . Black ; mesopleura?, metathorax, legs and ab- 

 domen ferruginous; face, anterior orbits to summit of eyes, lower part 

 of cheeks, clypeus, mandibles, palpi, spot on scape beneath, joints 11 

 to 17 of antenme, line on forepart of collar aud a line above extending 

 from tegulre but interrupted medially, teguhc, a line beneath, pectus, 

 anterior aud middle coxa? aud trochanters, and all tarsi except base of 

 first joint of hind tarsi, dirty white. The thorax is moderately coarsely 

 punctate, some of the punctures being confluent, the parapsidal grooves 

 distinct, the middle lobe prominent with a yellowish spot behind the 

 middle; metathorax rugose without prominent lateral projections, with 

 two transverse carime, the second one being deeply inwardly siuuated 

 medially, spiracles large long-oval. The posterior tibne have a spot at 

 base and the apical half black. Wings dusky hyaline; stigma aud 

 veins dark 'brown, the areolet closed, quadrate, the second recurrent 

 nervure interstitial with the outer nervure of the areolet. 



Habitat.— Wisconsin. 



Mesostenus leucopus, sp. nov. 



Male. —Length, 10 mm . Black, shining, the thorax rather coarsely 

 punctate ; autenme 3G-jointed, black ; the anterior aud posterior orbits, 

 interrupted behind the summit of eye, face, clypeus, mandibles, except 

 teeth, palpi, a line on collar at sides anteriorly and a line above, inter- 

 rupted medially, a spot on disk of mesonotum, scutellum, teguhc, a 

 line beneath, a long band across middle of mesopleura, band at base of 

 posterior wiugs, a line on nietapleume, a line on each side of the ineta- 

 thoracic truncature, and the posterior tarsi, except basal joint at base 

 and the apical joint, which are black, all white. 



Legs ferruginous, anterior and middle tarsi paler, the posterior 

 femora and tibia? fuscous, the first joint of trochanter black, abdomen 

 long, linear, black, the petiole elongate, slender, reddish, blotched with 

 black above at the bend, all the other segments apically are broadly 



