Superfamily ICHNEUMONOIDEA 559 



Xanthexocluts Morley, 1913. Fauna Brit. India, Hym., v. 3, pt. 1, p. 292. 



Type-species: Xayithexochus scutellatus Morley. Monotypic and orig. desig. 



This is a very large genus, apparently of worldwide distribution, although no species have 

 been described from the Australian region. 



Revision: Kusigemati, 1971. Kagoshima Univ., Faculty Agr., Mem. 8: 263-285 (Japanese spp.). 

 albiceps Walsh. N. J., S. C, 111.?, La.; Venezuela? 



Exochus albiceps Walsh, 1873. Acad. Sci. St. Louis, Trans. 3: 96. "6" = 9. 

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

 211. cJ. 



Taxonomy: Townes, 1972. Ent. Soc. Wash., Proc. 74: 259 (syn.). 

 albifrons Cresson. P. E. I. w. to Alta. and Wash., s. to Ala., N. Mex., and CaHf. Host: Arckips 

 cerasivomnuN (Fitch), A.fervidanut; (Clem.), A. rileyanus (Grt.), Argyrotaenia 

 velutinana (Wlk.), Clioristoyieura rosaceana (Harris), Platynota idaeusalis (Wlk.). 

 Exochus albifrojis Cresson, 1868. Amer. Ent. Soc, Trans. 2: 114. 9. 

 annulicrus Walsh. N. B. w. to B. C, s. to w. N. C, 111.?, Colo., and Ariz. 



Exochus annulicrus Walsh, 1873. Acad. Sci. St. Louis, Trans. 3: 95. 6. 

 armillosus Townes. P. E. I., Mass., N. Y., N. J., Wis., Alta. 



Exochus armillosus Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 [pt. 

 1]: 226. 6, 9. 

 atriceps Walsh. N. B. w. to Man., s. to Fla. and Tex. 



Exochus atriceps Walsh, 1873. Acad. Sci. St. Louis, Trans. 3: 95. 6. 



Exochus rufomaculatus Provancher. 1886. Addit. Corr. Faune Ent. Canada Hym., p. 113. 



9. 

 Exochus atriceps atricorpus Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 

 216 [pt. 1]:208. 6, 9.N. syn. 

 brutus Townes. Que., Ont, N. Y., Pa., Md., w. N. C, Sask., Alta. Host: Phycitine pyralid on 

 Tilia. 

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

 228. 6, 9. 

 bryanti Townes. N. S., Ont., Alta. 



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

 191. 6, 9. 

 canidens Townes. N. Y., Pa., Mich., Alta. 



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

 250. 9. 

 capnodes Townes. Northwestern Calif. 



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

 239. 6. 

 cnemidotus Townes. Que., Mass., R. I., N. Y., Ont., Sask., Alta., Yukon, B. C. 



Exochus cnemidotus Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 [pt. 

 1]:237. S, 9. 

 cuneatus Townes. Maine. The holotype is labeled as being reared from Heterarthrus 

 nemoratus (Fall.), but this host record is almost certainly incorrect. 

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

 255. 6. 

 decoratus hebes Townes. Colo., Ariz., s.e. Alaska, B. C. Host: Acleris variana (Fern.). E. 

 decoratus decoratus Holmgren is Eurasian. 

 Exochus decoratus hebes Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 

 [pt. 1]:264. 9. 

 decoratus scitulus Provancher. N. S. s. to Fla., w. to Minn, and Kans. Host: Acleris variayia 

 (Fern.), Argyrotaenia sp. on Abies, Tortricid on Abies, Epinotia aceriella (Clem.). 

 Exochus scitulus Provancher, 1877. Nat. Canad. 9: 15. 9. 



