66 IXDEX TO MISSOURI ENTOMOLOGICAL REPORTS. 



lines, forming several irregular areas ; sides rugulose, apex without spines or tuber- 

 cles; tegulse white; wings whitish-hyaliue, suhiridescent, the nervures and stigma 

 white, subhyaline, neuratiou as in $ ; legs long, slender, pale honey-yellow; cox;>', 

 posterior trochauters, apex of their femora, and their tibiae and tarsi, blackish; 

 base of posterior tibi;e with a white aunulus ; abdomen long, slender, flattened, peti- 

 olated, smooth and polished, the apical margin of second segment being narrowly 

 whitish. 



Described from four 9 and one ^specimens bred from the same [Thyridopteryx] 

 cocoon. [First Rept.p. 150. Figured at PL II, Figs. 11, 12. 



The species is quite common iu Washington, D. C., and is often at- 

 tacked by a secondary Chalcid parasite. 



MICROGASTER LIMEXITIDIS, N. SP. $ ?. Length 0.03 inch [ = 2i mn1 ]. Color pitchy- 

 black. Auteume black, about as long as body ; palpi whitish. Thorax minutely 

 punctured. Abdomen with the two or three basal joints emarginate and rugose, the 

 terminal joints smooth and polished. Legs dusky ; front and middle femora yellow- 

 ish, hind femora black; front and middle tibine yellowish, hind tibiae with terminal 

 half dusky, but the spur pale ; front and middle tarsi yellowish tipped with dusky, 

 hind tarsi dusky above, paler below. Wings hyaline, iridescent, the nervures and 

 stigma black or dark-brown, the radial nervule, the cubital uervules and the exterior 

 nervule of the discoidal cell, sub-obsolete. 



Described from 6 9 , 1 <? , bred from larv;e of Limenitis dinippus. [Third Rept., pp. 

 158, 159. 



The specimens referred to in connection with this description as bred 

 from Gelechia galhvsolidaginis prove to belong to a distinct species. 

 Both species belong to the genus Apauteles Forst. as at present accepted. 

 See my "Notes on N. A. Microgasters " (Trans. Ac. Sc. St. Louis, IV, 

 Author's separata, p. 13.) 



MICROGASTER GELECHI.E. Length 0/20 [ = 5 mm ] $ 9 . Black, clothed with a short, 

 thin, glittering, whitish pubescence, most dense on the face, which latter is closely 

 punctured; occiput and cheeks shining; mandibles rufopiceous ; palpi whitish; eyes 

 pubescent; antennae as long as the body in $ , shorter in 9> 18-joiuted; thorax shin- 

 ing, feebly punctured, mesothorax closely and more strongly punctured, with a deeply 

 impressed longitudinal line on each side over base of wings; scutelluni smooth and 

 polished, the lateral groove broad, deep, arched and creuulated; metathorax opaque, 

 densely rugose, with a sharp, central, longitudinal carina, and a smooth, flat, trans- 

 verse cariua at base ; tegula? testaceous, wings hyaline, iridescent, apex smoky, nerv- 

 nres blackish, areolet complete, subtriaugular, radial uervure indistinct ; legs pale 

 honey-yellow, coxa- blackish, pale at tips, middle pair in 9 concolorous with legs; ab- 

 domen with the two basal segments densely rugose and opaque, the remainder smooth 

 and shining ; venter more or less varied with pale testaceous. [First Rept., p. 178. 

 This is a true Microyaster. 



PERILITUS IXDAGATOR, N. Sp Imago 9 , Head almost glabrous, transverse, deep 

 honey-yellow, the trophi pale, except the tips of jaws, which are dusky ; ocelli touch- 

 ing each other, black ; eyes black, vory large, occupying nearly the whole side 

 of face, and with a few very short hairs; antenna? with about 24 joints, pale fus- 

 cous ; reaching, when turned back, to about the middle of abdomen. Thorax honey- 

 yellow beneath and very slightly pubescent ; very finely punctured and slightly pu- 

 bescent above ; prothorax honey-yellow and prominently convex ; mesothorax with 

 lateral and posterior sutures black; metathorax black. Abdomen with the pedicel 

 black and slightly punctured; depressed, narrow at base, widening behind, slightly 

 pubescent above ; the other joints glabrous, polished, deep honey-yellow, the second 

 joint largest and as long as all the subsequent ones together ; ovipositor extending 

 about the length of the abdomen beyond its tip, rufous with the sheaths black. Legs 



