830 Hymenoptera in America North of Mexico 



Div. Forest Biol, Forest Lep. South. Ont. and Par., p. 258. —Hill and Hough, 1957. Va. 

 Agr. Expt. Sta., Tech. Bui. 130: 16. -Dixon and Benjamin, 1963. Jour. Econ. Ent. 56: 267. 

 percussor Girault. Colo., N. Mex., Ariz., Nev., Wash., Oreg., Calif. Host: Apanteles sp., A. 



polychrosidis Vier., A. snierinfhi Riley, Bracon politiventris (Cush.), Diadegma eureka 



(Ashm.), D. pterophome (Ashm.), Heterospilus atriceps (Ashm.), Hyposoter sp., Itoplectis 



quadricingulatus (Prov.). 

 Hypopterontalus percussor Girault, 1917. Brooklyn Ent. Soc, Bui. 12: 118. 9. Emend, to 



persursor by Essig, 1926 (Ins. West. No. Amer., p. 823). 



Biology: Waddell, 1952. Ent. Soc. Brit. Columbia, Proc. 48: 87-88. 

 tabacum (Fitch). N. B., Que., s. to Fla., w. to Minn., Iowa, Kans., Tex. Host: Apanteles sp., A. 

 congregatus (Say), A. nielanoscelus (Ratz.), Microplitis ceratoniiae Riley. Often misdet. 

 as viridescens Walsh, in old literature. 

 Pteromahis Tabacum Fitch, 1864. N. Y. State Agr. Soc, Trans. 23: 792. 9. 



Taxonomy: Gahan, 1921 (1920). Ent. Soc. Wash., Proc. 22: 241. 



Biology: Webster, 1912. Iowa Acad. Sci., Proc. 19: 209-213 (viridescens). — Muesebeck and 

 Dohanian, 1927. U. S. Dept. Agr., Bui. 1487: 12, 28. —Fulton, 1940. Ent. Soc. Amer., Ann. 

 32: 231-244. — Raizenne, 1952. Canada Div. Forest Biol., Forest Lep. South. Ont. and Par., 

 p. 10. — Lawson, 1959. Ent. Soc. Amer., Ann. 52: 743. 



Genus HETEROSCHEMA Gahan 



Heteroschema Gahan, 1919. U. S. Natl. Mus., Proc. 55: 126. 

 Type-species: Heteroschema prima Gahan. Monotypic. 



Taxonomy: Gahan, 1938. Ent. Soc. Wash., Proc. 40: 222-224. 

 aeneiventris (Ashmead). Kans. 



Sphegigaster aeneiventris Ashmead, 1888. Kans. Agr. Expt. Sta., Bui. 3: App. p. VI. S. 

 punctata (Ashmead). Fla., Miss., Mo., Ariz.; West Indies. Host: Dioxyna piccicola (Bigot), 

 Melanagromyza virens (Loew). 

 Glyphe punctata Ashmead, 1894. Linn. Soc. London, Jour., Zool. 25: 162. 9. 



rugosopunctata (Ashmead). Tex., Ariz.; West Indies. Host: Melanagromyza gibsoni (Mall.). 

 Pteromalus rugosopunctatus Ashmead, 1894. Linn. Soc. London, Jour., Zool. 25: 165. 9, cJ. 

 Heteroschema prima Gahan, 1919. U. S. Natl. Mus., Proc. 55: 126. 9,6. 



Biology: Gahan, 1938. Ent. Soc. Wash., Proc. 40: 223. 



Genus SCHIZONOTUS Ratzeburg 



Pteromalus subg. Schizonotus Ratzeburg, 1852. Ichn. d. Forstins., v. 3, p. 230. 

 Type-species: Schizonotus sieboldi Ratzeburg. Desig. by Ashmead, 1904. 



Revision: Boucek, 1958. Mus. Natl. Pragae, Acta Ent. 32: 395-404 (European spp.). 



Taxonomy: Masi, 1921. Genova, Mus. Civ. Stor. Nat., Ann. (3) 9: 236. —Graham, 1956. Ent. 

 Monthly Mag. 92: 255. —Graham, 1969. Brit. Mus. (Nat. Hist.) Ent., Bui. Sup. 16: 818. 

 latus (Walker). Maine, s. to Fla., w. to Minn., Wyo., Idaho; Europe. Host: Chrysomela alnicola 

 Brown, C. interrupfa (F.), C. knabi Brown, C. scripta (F.), Plagiodera versicolora 

 (Laich.). Much of the literature published in North America used the name sieboldi 

 Ratzeburg, a Palearctic species that apparently does not occur here. 

 Pteromalus latus Walker, 1835. Ent. Mag. 2: 481. 9. 



Arthrolytus i)icongnteus Masi, 1907. Lab. Zool. Gen. e Agr. Portici, Bol. 1: 252. 9, 6. 

 Coelopisthia smithii Gahan, 1913. Canad. Ent. 45:179. 



Biology: Cushman, 1918 (1917). Ent. Soc. Wash., Proc. 19: 128. — Dowden, 1939. Jour. Agr. 

 Res. 58: 581-592. —Craighead, 1950. U. S. Dept. Agr., Misc. Pub. 657: 616. 

 rotundiventris (Girault). N. J., Md., Va. Host: Plagiodera versicolora (Laich.). 



Coelopisthia rofu)idirentris Girault, 1917(1916). Insecutor Inscitae Menstruus 4: 113. 9. 



