SuperfamUy ICHNEUMONOIDEA 231 



Genus CHELONUS Panzer 

 Genus CHELONUS Subgenus CHELONUS Panzer 



Chelonus Panzer, 1806. Krit. Revis. Insektenf. Deutschlands, v. 2, p. 99. 



Type-species: Ichneumon oculator Fabricius. Desig. by Curtis, 1837. 

 Trachionus Haliday, 1833. Ent. Mag. 1: 265. 



Type-species: Chelonus mandibularis Haliday. Monotypic. 

 Davisania La Munyon, 1877. Nebr. Assoc. Adv. Sci., Proc. No page number. 



Type-species: Davisania aughei La Munyon. Desig. by Viereck, 1914. 

 Arichelonus Viereck, 1913. U. S. Natl. Mus., Proc. 44: 641. 



Type-species: Chelonus aciileatus Ashmead. Grig, desig. 

 Megachelonus Baker, 1926. Philipp. Jour. Sci. 31: 457. 



Type-species: Megachelonus bidentatus Baker. Orig. desig. 



The biological distinctness of the various subgenera proposed within the genus Chelonus is 

 not clear, and a critical review of the entire group is needed. 



Taxonomy: Shenefelt, 1973. Hym. Cat., part 10, p. 838-872 (cat. World spp.). 



aculeatus Ashmead. N. Dak., Wyo., Colo. 



Chelonus aculeatus Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 17. 9. 

 altitudinus Viereck. 111., Mo., S. Dak., Kans., Tex., Colo., N. Mex., Idaho; Mexico. Host: 

 Homoeosoma electelhim (Hulst). 

 Chelonus altitudinis Viereck, 1905. Kans. Acad. Sci., Trans. 19: 278. 9. 

 annulipes Wesmael. Mass., Conn., N. Y., N. J., Del.; Europe. Introduced from Italy. Host: 

 Ostrinia nubilalis (Hbn.). Other locality and host records for No. Amer. need to be 

 confirmed. 

 Chelonus annulipes Wesmael, 1835. Nouv. Mem. Acad. Sci. Bruxelles 9: 221. 9 . 



Biology: Vance, 1932. U. S. Dept. Agr., Tech. Bui. 294, 48 p. —Bradley and Arbuthnot, 1938. 

 Ent. Soc. Amer., Ann. 31: 259-269. —Harris, 1950. Iowa Yearbook of Agr. for 1949, p. 

 143-159. -Clausen, 1956. U. S. Dept. Agr., Tech. Bui. 1139, p. 90. 



Morphology: Vance, 1932. U. S. Dept. Agr., Tech. Bui. 294, 48 p. 



aughei (La Munyon). Nebr. 



Davisania aughei La Munyon, 1877. Nebr. Assoc. Adv. Sci., Proc. No page number. 



australis Viereck. N. Mex. 



Chelonus australis Viereck, 1903. Amer. Ent. Soc, Trans. 29: 95. 6. 

 basicinctus Provancher. Canada, N. H., Conn., Pa., Md., Mich., N. Dak. 



Chelonus basicinctus Provancher, 1881. Nat. Canad. 12: 198. 9. 



basilaris (Say). Conn., Pa. 



Sigalphus basilaris Say, 1824. In Keating, Narr. Long's 2nd Exped., v. 2, p. 322. 



connectens Cresson. Iowa, La., Tex. 



Chelonus connectens Cresson, 1872. Amer. Ent. Soc, Trans. 4: 180. 9. 



electus Cresson. Tex., Colo., Calif. Host: Melitara sp., Ozamia sp. 



Chelonus electus Cresson, 1872. Amer. Ent. Soc, Trans. 4: 180. 9, S. 

 inanitus (Linnaeus). Calif.?; Europe, Asia. Liberated in Calif, but apparently not established. 

 Introduced from France. Host: Etiella zinckenella (Treit.). 



Cynips inanitus Linnaeus, 1767. Syst. Nat., 12th Ed., p. 919. 



Biology: Clausen, 1956. U. S. Dept. Agr., Tech. Bui. 1139, p. 91-92. -Stone, 1965. U. S. Dept. 



Agr., Tech. Bui. 1321, p. 26. — Rechav and Orion, 1975. Ent. Soc. Amer., Ann. 68: 457-462. 

 insularis Cresson. No. Amer., Cent. Amer., So. Amer., W. Indies. Host: Ephestia elutella 

 (Hbn.), Feltia subterranea (F.), Heliothis zea (Boddie), Loxostege sticticalis (L.), 

 Peridroma saucia (Hbn.), Spodoptera eridania (Cram.), S. exigiia (Hbn.), S. frugiperda 

 (Smith), S. omithogalli (Guen.), S. praefica (Grote), Trichoplusia ni (Hbn.). Other 

 records need confirmation. 



Chelonus insularis Cresson, 1865. Ent. Soc. Phila., Proc. 4: 61. 9. 



Chelonus texanus Cresson, 1872. Amer. Ent. Soc, Trans. 4: 179. 9 . 



Chelonus texanoides Viereck, 1905. Kans. Acad. Sci., Trans. 19: 286. 9 . 



