Superfamily ICHNEUMONOIDEA 347 



atalantae fulvescens (Cresson). N. B. s. to Va., w. to B. C. and Calif. Ecology: Adult females 

 of this subspecies are known to hibernate, but it is not known that the subspecies 

 overwinters exclusively in this way. Host: Choristoneura fumiferana (Clem.), Ennomos 

 snbsignarius (Hbn.), Lambdina somniaria (Hulst), Nepytia phantasmaria (Stkr.), Oreta 

 rosea (Wlk.), Malacosoma americanum (F.), M. califominim fragile (Stretch), M. 

 disstria Hbn., Dasychira plagiata (Wlk.), Lymantria dispar (L.), Orgyia leucostigma (J. 

 E. S.), 0. pseudotsugata McD., Nygmia phaeorrhea (Don.), Leucoma salicis (L.), 

 Hyalophora cecropia (L.), Nymphalis califomica (Bdv.), Neophasia menapia (F. and 

 F.), Enicospihis americanus (Christ), Gambnis extrematis (Cr.), Hyposoter fugitivus 

 (Say), Itoplectis conquisitor (Say). T. atalantae atalantae (Poda) occurs in Europe. 



Pimpla fulvescens Cresson, 1865. Ent. Soc. Phila., Proc. 4: 268. 6. 



Theronia nifescens (!) Taylor, 1884. Canad. Ent. 16: 92. 



Theronia fulvescens var. mellipennis Viereck, 1903. In Skinner, Amer. Ent. Soc, Trans. 

 29: 88. 9. 



Theronia atalantae var. americana Krieger, 1906. Ztschr. System. Hym. Dipt. 6: 240. 6, 

 9. 



Biology: Weed and Fiske, 1900. U. S. Dept. Agr., Div. Ent. Bui. 26: 33. — Fiske and 

 Thompson, 1909. Jour. Econ. Ent. 2: 455-457. —Howard and Fiske, 1911. U. S. Dept. Agr., 

 Bur. Ent., Bui. 91: 137, 141, 142, 144, 147-149, 236-237, 304. — Aldrich, 1912. Jour. Econ. 

 Ent. 5: 87-88. — Evenden, 1924. Timberman 25 (May): 54. — Townes, 1940. Ent. Soc. Amer., 

 Ann. 33: 286, 293. —Cole, 1956. U. S. Dept. Agr., Forest Serv., Intermountain Forest and 

 Range Expt. Sta. Res. Note 29: 1. —Campbell, 1963. Canad. Ent. 95: 337. 



Morphology: Peck, 1937. Canad. Jour Res., Sect. D (Zool. Sci.) 15: 245, 246, 248, 251, 252. 

 hilaris hilaris (Say). Southern Que. s. to N. C, w. to Minn, and Kans. Host: Halisidota caryae 

 (Harris), H. maculata (Harris), Heterocampa guttivitta (Wlk.), Symmerista canicosta 

 (Hbn.), Epargyreus clams (Cramer). T. (T.) hilaris laevigata (Tschek) is European and 

 T. (T.) hilaris nigra Uchida occurs in northern Asia. 

 Ichneumon hilaris Say, 1829. Contrib. Maclurian Lyceum to Arts and Sci. 1: 71. 6. 

 Pimpla melanocephala Brulle, 1846. In Lepeletier, Hist. Nat. Ins. Hym., v. 4, p. 99. 9. 



Taxonomy: Gupta, 1965. Twelfth Internatl. Cong. Ent., Proc, p. 834. 



Morphology: Peck, 1937. Canad. Jour. Res., Sect. D (Zool. Sci.) 15: 245, 246, 248, 251, 252. 

 —Pratt, 1939. Ent. Soc. Amer., Ann. 32: 731, 737. 



Genus NEOTHERONIA Krieger 



Neotheronia Krieger, 1899. Naturf. Gesell. Leipzig, Sitzber. 14-15: 119. 



Type-species: Theronia toltecta Cresson. Orig. desig. T. toltecta is regarded as a 

 subspecies of Neotheronia nigrolineata (Brulle). 

 Epimecoideus Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 52. 



Type-species: Epimecoideus apicalis Ashmead. Monotypic and orig. desig. 

 Acrocremnus Brethes, 1926. Nunquam Otiosus-V (Buenos Aires), p. 7. 

 Type-species: Acrocremnus apicipennis Brethes. Monotypic. 

 bicincta floridana (Townes). Southern Ga., Fla. Host: Tromatobia nifopectus (Cr.). 



Neotheronia bicincta bicincta (Cresson) occurs in Cuba, and a third subspecies, A^. b. 

 nubecularia (Dewitz), occurs in Puerto Rico. 

 Theronia bicincta floridana Townes, 1960. In Townes and Townes, U. S. Natl. Mus. Bui. 

 216 (pt. 2): 362. 6,9. 

 septemtrionalis Krieger. Md. s. to Fla., w. to Mo., e. Okla., and La. 



Neotheronia septemtrionalis Krieger, 1905. Ztschr. System. Hym. Dipt. 5: 305. S. 

 Neotheronia winnemannae Viereck, 1913. U. S. Natl. Mus., Proc. 44: 567. 9. 



Tribe DELOMERISTINI 



The genera in this tribe may be related to those in the Theroniini, but the evidence is not con- 

 clusive. Neither is there conclusive evidence that the genera here placed in the Delomeristini are 

 related to each other. 



