208 WILLIAM H. A8HMEAD. 



Tribe III. Hemiielhd. 



ALiI^OC'OTA Forster. 

 Allocota coiifoderatse sp. n. 



5 . — Leujrtli 4 uim. Browuisb yellovv' ; tips of niandibles black ; tips of poste- 

 rior tibiiB and the terminal abdominal segments fuscons ; the entire insect is 

 shagreened ; the parapsidal furrows are obliterated posteriorly ; the scutellum is 

 convex, polished, with a deep transverse groove at base and carinated laterally ; 

 the metathorax is armed with two spines, areolated above and with two parallel 

 carinse on the posterior face. Abdomen long-ovate, the petiole widened beyond 

 its basal half, the spiracles small, round, and situated beyond the middle. 

 Wings hyaline, with a transverse dusky band below the basal nervure and a wider 

 band across from the stigma, the apex of the wings hyaline; the hind wings are 

 hyaline, except a rather wide subapical baud. 



Hab.—^t. Louis, Mo. 



Described from one specimen, bred l)y Dr. C. V. Riley, St. Louis, 

 Mo., froni Psyehe coafederata, Aug. 24, 1872. 



AE.\OI»L,KX Forster. 

 Aeuoplex betulserola sp. n. 



9. — Length 4. .5-7 mm. ; ovi]). 2-3 mm. Black, shining, minutely shagreened 

 and spai-sely pubescent ; palpi white ; the face covered with a rather dense white 

 pubescence; the abdominal segments at apex, after the first, all narrowly edged 

 with white; antennae 24-ioiuted, brown, the incisions of joints pale; the parap- 

 sidal grooves are absent, although iudicated by slight depressions on the surface 

 of the mesothorax. Legs pale rufous, the posterior tibise Hud tarsi dark brown ; 

 metathorax areolated. Abdomen longer than the head and thorax together, the 

 venter yellowish white, with a strongly compressed fold or keel. Wings hyaline, 

 iridescent, the stigma and veins dark brown, the femora with a j)ale spot at base. 



i7«7).— Washington, D. C. 



Described from several specimens, varying much in size, labeled 

 No. 2782^, reared from Acronycta betulce ; no date of rearing is given. 



A€ROL,YTA Forster. 

 Acrolyta ine»i>ochori s]>. n. 



9.— Length 3 mm. ; ovip. 0.4 nun. IJhick, shining; the abdominal segments 

 at apex narrowly edged with red ; antennse 22-jointed, yellowish ba.sally, the 

 apical two-thirds dark brown or black, and thicker than at base; the first three 

 joints of flagellum are of about an equal length, cylindrical and about four times 

 as long as thick. The head and thorax are minutely shagreened, the metathorax 

 areolated ; the abdomen is a little longer than the head and thorax together, th(? 

 petiole and second and third segments, except apically, are longitudinally acicu- 

 lated, the other segments smooth, j)olished. Legs, including coxse, honey-yellow, 

 the anterior and niiddl(! coxje somewhat whitish. Wings hyaline, iridescent, the 

 stigma and veins brown ; tegulai white. 



Hub. — Washingtim, D. C. 



Described from one specimen labeled No. 4]9(y^, reared Aug. 3, 

 1 887, from Apanteles congregatus Say. 



