192 Hymenoptera in America North of Mexico 



fervidana Wlkr., Microbotys theseusalis (Wlkr.), Ostrinia nubilalis (Hbn.), 0. 



obumbratalis (Led.), Pyrausta futUalis (Led.), Spilonota ocellana (D. and S.). 

 Microdus agilis Cresson, 1873. Canad. Ent. 5: 52. 9. 

 Agathis quaesitor Provancher, 1880. Nat. Canad. 12: 176. 9. 

 annulipes (Cresson). No. Amer. Host: Acrobasis sp., Anacampsis innocuella (ZelL), Ancylis 



comptana (Froel), Archips semiferanus (Wlkr.), Coelostathma discoptmctana Clem.(?), 



Choristoneura conflictana (Wlkr.), Eumarozia vialachitana (ZelL), Grapholitha 



interstindana (Clem.), Laspeyresia caryana (Fitch), Paralobesia viteana Clem., 



Proteoteras moffatiana Fern., Sciaphila duplex (Wlsm), Strepsicrates smithiana 



(Wlsm.). 

 Microdus annulipes Cresson, 1873. Canad. Ent. 5: 53. 9. 

 Microdus earinoides Cresson, 1873. Canad. Ent. 5: 54. 9. 



Microdus grapholithae Ashmead, 1889 (1888). U. S. Natl. Mus., Proc. 11: 639. 9. 

 Microdus albocinctus Ashmead, 1889 (1888). U. S. Natl. Mus., Proc. 11: 639. 9. 

 Bassus waldeni Viereck, 1917 (1916). Conn. State Geol. and Nat. Hist. Survey, Bui. 22, p. 



229. 9. 

 atripes Cresson. Colo., N. Mex., Utah, Idaho, Nev., Ariz., B. C, Wash., Calif. 



Agathis atripes Cresson, 1865. Ent. See. Phila., Proc. 4: 296. 6. 

 azygos (Viereck). S. Dak., Kans., Tex., Ariz. 



Lytopylus azygos Viereck, 1905. Kans. Acad. Sci., Trans. 19: 267. 9. 

 Microdus agathoides Viereck, 1905. Kans. Acad. Sci., Trans. 19: 277. 9. 

 bakeri (Muesebeck). Mich., Minn., Colo., Alaska, Wash., Calif. 



Bassus bakeri Muesebeck, 1927. U. S. Natl. Mus., Proc. 69 (16): 42. 9. 

 binominata Muesebeck. Que. and Ont. s. to Va. Host: Choristoneura fumiferana (Clem.), 



Coleophora laricella Hbn., Coleotechnites coniferella Kearf., C. piceaella (Kearf.), 



Epiblema desertana (ZelL), Epinotia nanana (Treits.), Petrova comstockiana (Fern.), 



Phalonia rutilana Hbn., Rhyacionia buoliana (Schiff.). 

 Microdus bicolor Provancher, 1880. Nat. Canad. 12: 179. 9. Preocc. by Brulle, 1846. 

 Agathis binominata Muesebeck, 1958. In Krombein, U. S. Dept. Agr., Agr. Monog. 2, Sup. 



1, p. 26. N. name for bicolor Provancher. 

 brevicornis (Muesebeck). Man., Idaho, Utah, Oreg., Nev., Calif. 



Bassus brevicornis Muesebeck, 1927. U. S. Natl. Mus., Proc. 69 (16): 56. 9, 6. 

 buttricki (Viereck). Maine s. to Fla., w. to S. Dak., Colo., and Tex. Host: Acrobasis 



rubrifasciella Pack., Homoeosoma electellum (Hulst.), Isophrictis sp., Phalonia rutilana 



Hbn., P. straminoides Grote, P. voxcana Kearf. 

 Basstis (Lytopylus) buttricki Viereck, 1917 (1916). Conn. State Geol. and Nat. Hist. 



Survey, BuL 22, p. 229. 9. 

 calcarata (Cresson). Que. s. to Fla.; Ont., Minn., Wis., Mich., Mo., Tex. Host: Acrobasis 



betulella Hulst., A. caryalbella Ely, A. caryivorella Rag., A. comptoniella Hulst., A. 



indiginella (ZelL), A. minimella Rag., A. rubrifasciella Pack., A. stigmella Dyar, 



Croesia albicomana (Clem.), Epismus argutanus (Clem.), Exartema pemiandanum 



Clem., E. sericoranum Wlsm., Psilocorsis sp., Sparganothis sulphurana (F.). 

 Microdus calcaratus Cresson, 1873. Canad. Ent. 5: 51. 9. 



Biology: Balduf, 1966. Ent. Soc. Amer., Ann. 59: 1038-1049. 

 californica (Muesebeck). Idaho, Oreg., Calif. 



Bassus califomicus Muesebeck, 1927. U. S. NatL Mus., Proc. 69 (16): 64. 9, cJ. 

 cincta (Cresson). Que. s. to Fla., w. to N. Dak. and Kans.; Oreg. Host: Acleris sp., Anacampsis 

 fragariella Busc]ii, Argyrotaenia velutiana (Wlkr.), Chrysopora hermannella (F.), 

 Cnephasia longana (Haw.), Coleophora alniella Heinr., C. atlantica Heinr., C. cinerella 

 Chamb., C . fuscedinella ZelL, C. laricella Hbn., C. salicivorella McD., C. tiliaefoliella 

 Clem., C. ulmifoliella McD., Dickomeris ligulella (Hbn.), Grapholitha molesta (Busck.), 

 Homadaula anisocentra (Merg.), Nephopteryx sp., Platynota idaeusalis (Wlkr.), 

 Scrobipalpa atriplicella (Rosier.). 

 Microdus ductus Cresson, 1873. Canad. Ent. 5: 53. 9, 6. 

 Microdus pimploides Viereck, 1905. Kans. Acad. Sci., Trans. 19: 276. 3. 



