234 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Silvia (Girault). Maine south to Md. west to Wis., Calif. Hosts: Coleophora 

 laricella (Hbn.), Exoteleia pinifoliella (Chamb.), Tetralopha ro- 

 btistella Zell., Recurvaria milleri Busck, R. apicitripunctella 

 (Clem.). 

 Biology: SchaflFner, 1959, loc. cit. supra, p. 85. 



variipes Crawford. N. Y. south to Fla. west to La. and Tex, 



Genus HORISMENUS Walker, pp. 467-468 



*Pedlohioidea Girault, 1911. Canad. Ent. 43: 407. 



Type: Pediobioidea cyanea Girault. By monotypy. 

 Taxonomy: Peck, 1963, loc. cit. supra, pp. 217, 220. 



lixivorus Crawford. Tex., Ariz, (delete Maine). Hosts: Lixus perforatus 

 Lee. (delete Phyllocnistis populiella Chamb.). 



microgaster (Ashmead). Va., N. C. Hosts: CaUisto geminatella (Pack.), Te- 

 tralopha robusiella Zell., Pyrausta futilalis (Led.), Choristoneura 

 rosaceana (Har.), Exoteleia pinifoliella (Cham.), Coleophora lari- 

 cella (Hbn.) ; secondary par. 

 Biology: Hill and Hough, 1957. Va. Agr. Expt. Sta. Tech. Bui. 130, p. 

 16. — Schaffner, 1959, loc. cit. supra, p. 85. 



violaceus (Ashmead). Mass., Va. Hosts: Lithocolletis cincinnatiella 

 (Chamb.), L. crataegella Clem. 

 Biology: Schaffner, 1959, loc. cit. supra, p. 85. 



Genus PEDIOBIUS Walker, Sup. 1, p. 68 

 ( = P/euro/rop/s Foerster of Catalog, pp. 468—470) 



*Me8tocharomyia Girault, 1915. Queensland Mus. Mem. 3: 188. N. syn. 



Type: Mestocharis lividus Girault. Orig. desig. 

 *Eupleurotropis Girault, 1917. Spec. Gen. nova Euloph., p. 3. 



Type : Pleurotropis testaceipes Crawford. By monotypy. 

 Taxonomy: Peck, 1963, loc. cit. supra, p. 228. 



albipes (Provancher) . Maine and Ont., south to Va., west to 111. Hosts: 

 Apanteles congregatus (Say), ? Gelis tenellus (Say), Dibrachys 

 cavus (Walk.), Euptcromalus hemipterus (Walk.), agromyzid on 

 Helianthus, 1 Lithocolletis sp. 

 Entedon albitarsis Ashmead, 1888 (syn. by Burks, 1964, loc. cit. supra, p. 

 1259). 



albitarsis (Ashmead). Syn. of albipes (Provancher). 



benefica (Gahan). Syn. of nigritarsis (Thomson). 



bucculatricis (Gahan). Host: Xenochalepus dorsalis (Thunb.) ; may be secon- 

 dary. 

 Biology: Schaffner, 1959, loc. cit. supra, p. 85. 



metallicus ( Nees ) . 



Biology: Clausen, 1956, loc. cit. supra, p. 123. 



niger (Ashmead), corrected spelling of nigra of Catalog. 



*nigritarsis (Thomson). Ont. south to Va. west to Alta. and S. Dak.; Europe. 

 Pleurotropis nigritarsis Thomson, 1878. Hym. Scand., v. 5, p. 251. 9, $. 

 Pleurotropis benefica Gahan (syn. by V. Rosen, 1956. K. Lantbrukshog. 



Ann. 23: 19). 

 Taxonomy: v. Rosen, 1959. Ent. Tidskr. 80: 163.— Peck, 1963, loc. cit. 



supra, p. 229. 



sexdentatus (Girault). Hosts: Sec. par. of Lepidoptera. 

 Biology: Schaffner, 1959, loc. cit. supra, p. 86. 



splendens (Cook and Davis). Maine, Pa. Host: Eulophus anomocerus 

 (Crawford). 



tarsalis (Ashmead). Hosts: Sec. par. of Lepidoptera. 

 Biology: Schaffner, 1959, loc. cit. supra, p. 86. 



wilderi (Howard). Minn. Host: GeZis sp. in spider egg case. 



