Superfamily ICHNEUMONOIDEA 553 



basalis basalis Cresson. Ga.?, Fla. 



Metopius basalis Cresson, 1879. Amer. Ent. Soc, Trans. 7: xxvii in Proc. 9. 



Metopius medianus Morley, 1912. Rev. Ichn. Brit. Mus., v. 1, p. 78. 6. Syn.? 

 basalis heinrichi Townes. N. B., Maine, w. Ont., Wis. s.w. B. C. Host: Saturniid. 



Metopius (Tylopius) basalis heinrichi Townes, 1959. In Townes and Townes, U. S. Natl. 

 Mus. Bui. 216 [pt. 1]: 104. 6, 9. 

 bellus Cresson. Nev., s.w. Oreg., n.e. Calif. 



Metopius bellus Cresson, 1879. Amer. Ent. Soc, Trans. 7: xxviii in Proc. 6. 

 edwardsii Cresson. Alta., Wash. 



Metopius edwardsii Cresson, 1879 (1878). Acad. Nat. Sci. Phila., Proc. 30: 376. 6. 

 pollinctorius nevadensis Cresson. Nev., w. Wash., n.e. Calif. Host: Acronicta sp. 



Metopius nevadensis Cresson, 1879. Amer. Ent. Soc, Trans. 7: xxviii in Proc d, 9. 

 pollinctorius pollinctorius (Say). N. S. w. to s. B. C, s. to n. Fla. and 111. Host: Gluphisia 

 septentrionalis Wlk., Actias luna (L.)?, Acronicta oblinita (J. E. S.). 



Peltastes pollinctorius Say, 1836. Boston Jour. Nat. Hist. 1: 245. S, 9. 



Metopius cordiger Brulle, 1846. In Lepeletier, Hist. Nat. Ins. Hym., v. 4, p. 120. 6. 



Genus TRICLISTUS Foerster 



Triclistus Foerster, 1868. Naturh. Ver. Rheinlande, Verh. 25: 161. 



Type-species: Exochus podagricus Gravenhorst. Desig. by Morley, 1913 from five 

 species included by Holmgren, 1873. 



This is a large genus of worldwide distribution. Some species are often abundant. The inter- 

 specific differences are often somewhat obscure, and the males of some species cannot be distin- 

 guished. 



Revision: Kusigemati, 1971. Kagoshima Univ., Faculty Agr., Mem. 8: 228-240 (Japanese spp.). 

 — Aeschlimann, 1973. Schweiz. Ent. Gesell., Mitt. 46: 219-252 (western Palearctic spp.). 

 adustus Townes. Colo., Wash., Oreg., Calif. 



Triclistus adustus Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 [pt. 1]: 

 119. 9. 

 brunnipes (Cresson). Northern Man. w. to Yukon, s. to w. Iowa, N. Mex., Ariz., and Calif. 

 Exochus brunnipes Cresson, 1879 (1878). Acad. Nat. Sci. Phila., Proc. 30: 374. 9. 

 Triclistus bnmeipes Dalla Torre, 1901. Cat. Hym., v. 3, p. 218. Emend, 

 chosis Townes. Mass., N. Y., N. J., Pa., Md., D. C, Va., Ont. 



Triclistus chosis Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 [pt. 1]: 

 121. 9. 

 crassus Townes. P. E. I. w. to Yukon and Alaska, s. to N. Y., Wis., Colo., Ariz., and Calif; e. U. 

 S. S. R., n. Japan. 

 Triclistus crassus Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 [pt. 1]: 

 110. 6, 9. 



Taxonomy: Kusigemati 1971. Kagoshima Univ., Faculty Agr., Mem. 8: 234-235. 

 emarginalus (Say). P. E. I. w. to s. B. C, s. to Fla., e. Kans., N. Mex., and n. Calif. Host: 

 Phlyctaenia extricalis (Gn.), Tetralopha robustella Zell., Tholeria reversalis (Gn.), 

 pyralid on Ainus incana, Archips argyrospilus (Wlk.), Argyrotaenia velutinana (Wlk.), 

 Croesia albicomana (Clem.), Platynota idaeusalis (Wlk.), Bucculatrix sp., Anthophila 

 pariana (Clerck). 



Ophion eniargi7iahis Say, 1829. Contrib. Maclurian Lyceum to Arts and Sci. 1: 76. Sex not 

 indicated. 



Anonialon eniarginatiis (!) Say, 1835. Boston Jour. Nat. Hist. 1: 245. 



Exochus fill vipes Cresson, 1864. Ent. Soc. Phila., Proc. 3: 285. 3,9. 



Taxonomy: Davis, 1897. Amer. Ent. Soc, Trans. 24: 222. — Ashmead, 1902. Wash. Acad. Sci., 

 Proc. 4: 230. — Cushman and Gahan, 1921. Ent. Soc. Wash., Proc 23: 169. —Townes and 

 Townes, 1959. U. S. Natl. Mus. Bui. 216 [pt. 1]: 113-116. 



