Superfamily ICHNEUMONOIDEA 309 



range, including most species of Aphididae but with a preference for the 



Myzus-Bracliycaudus series, it is largely responsible for the natural control of its main 



host, the cabbage aphid, Brevicoryne brassicae (L.). 

 Aphidius rapae M'Intosh, 1855. Book of the Garden, v. 2, p. 194. 9. 

 Aphidius (Trionyx) rapae Curtis, 1860. farm Ins., p. 73. 9. Preocc. by M'Intosh, 1855. 

 Diaeretus chenopodii Foerster, 1867. In Kirchner, Cat. Hym. Eur., p. 125. Nomen nudum. 

 Trioxys piceus Cresson, 1880. U. S. Dept. Agr. Ann. Rpt. for 1879, p. 260. 9,6. 

 Lipolexis chenopodiaphidis Ashmead, 1889 (1888). U. S. Natl. Mus., Proc. 11: 671. 9, S. 

 Diaeretus ferrugmipes Ashmead, 1890. In Riley and Howard, U. S. Dept. Agr., Insect Life 



3: 61. Nomen nudum. 

 Aphidius brassicae Marshall, 1896. In Andre, Spec. Hym. Eur. Alg., v. 5, p. 597. 9, cJ. 

 Diaeretus califomicus Baker, 1909. Pomona Jour. Ent. 1: 25. 9. 

 Lysiphlebns crawfordi Rohwer, 1909. Amer. Ent. Soc, Trans. 35: 135. 9,6. 

 Diaeretus nippoiiensis Viereck, 1911. U. S. Natl. Mus., Proc. 40: 182. 9,6. 

 Aphidius (Diaeretus) obsoletus Kurdjumov, 1913. ent. Obozr. 13: 25. 9, cJ. 

 Diaeretus napus Quilis, 1931. Eos 7: 71. 9. 

 Diaeretus croaticus Quilis, 1934. Eos 10: 8. 9, cJ. 



Diaeretus plesiorapae Blanchard, 1940. Rev. Chil. Hist. Nat. 44T45. 9,6. 

 Diaeretus aphidae Mukerji and Chatterjee, 1949. 36th Indian Sci. Cong., Proc. 3: 193. 



Nomen nudum. 

 Diaeretus aphidum Mukerji and Chatterjee, 1950. Roy. Ent. Soc. London, Proc. (B) 19: 4. 



9, 6. 



Biology: Wheeler, 1923. Ent. Soc. Amer., Ann. 16: 17-19. — Schlinger and Hall, 1960. Ent. Soc. 

 Amer., Ann. 53: 409. — Pimental, 1961. Jour. Econ. Ent. 54: 885-888. — Shands, et al., 1965. 

 Maine Agr. Expt. Sta., Bui. T19: 61-62. 



Tribe TRIOXINI 



SUBTRIBE MONOCTONINA 



Genus MONOCTONUS Haliday 



Genus MONOCTONUS Subgenus MONOCTONUS Haliday 



Aphidius subg. Monoctonus Haliday, 1833. Ent. Mag. 1: 487. 



Type-species: Aphidius (M 07ioctonus) caricis Haliday. Monotypic. 

 Monoctonus subg. Paramonoctonus Stary, 1959. Acta Soc. Ent. Cechosl. 56: 238. 



Type-species: Monoctonus {Paramonoctonus) angustivalvus Stary. Orig. desig. 



This genus includes Section I, Falcigeri, of the genus Aphidius Nees as defined by Haliday 

 (1834. Ent. Mag. 2: 94). These parasites seem to prefer the smaller host instars in the 

 Aphidoidea, mainly subfamUy Aphidinae. 



Revision: Smith, 1944. Aphidiinae of North America, pp. 33-34 (No. Amer. spp.). —Stary, 

 1959. Acta Soc. Ent. Cechosl. 56: 237-250 (Eur. spp.). —Stary, 1966. Aphid Parasites of 

 Czechoslovakia, pp. 70-72 (Czech, spp.). —Stary and Schlinger, 1967. Rev. Far East Asian 

 Aphidiidae, pp. 77-81 (East Asian spp.). 



Taxonomy: Mackauer, 1959. Senckenberg. Biol. 40: 179-180 (subgenera). — Mackauer, 1968. 

 Hym. Cat., part 3, pp. 63-66 (cat. World spp.). —Stary and Smith, 1976. Ent. Soc. Wash., 

 Proc. 78: 171-175 (distr., hosts, nomenclature). 



Biology: Mackauer and Stary, 1967. Index World Aphidiidae, pp. 89-92 (host list). 

 caricis (Haliday). Maine, N. C, Minn., N. Dak., Wash.; Europe. Host: Aulacorthum solani 

 (Katl.), Psetidacaudella rubida (Borner). 

 Aphidius (Monoctonus) caricis Haliday, 1833. Ent. Mag. 1: 261. 9,6. 

 crepidis (Haliday). N. B., Que.; Europe. Host: Nasonovia ribisnigri (Mosley). 

 Aphidius (Aphidius) crepidis Haliday, 1834. Ent. Mag. 2: 94. 9,6. 

 Aphidius tubercidatus Wesmael, 1835. Nouv. Mem. Acad. Sci. Bruxelles 9: 80. 9. 

 Monoctonus pallidum Marshall, 1896. In Andre, Spec. Hym. Eur. Alg., v. 5, p. 548. 9. 



