100 Hymenoptera in America North of Mexico 



Dimorphopteryx ithacus MacGilHvray, 1923. 111. Univ. Bui. 20(50): 10. 9. 



Dimorphopteryx salinus MacGillivray, 1923. 111. Univ. Bui. 20(50): 11. 9. 

 autumnalis Rohwer. Va., Wis. Host: Querciis. 



Dimorphopteryx autumnalis Rohwer, 1915. U. S. Natl. Mus., Proc. 48: 447. 9. 



Dimorphopteryx quercivora Rohwer, 1915. U. S. Natl. Mus., Proc. 48: 448. 6. 

 melanognathus Rohwer. Newfoundland to Va. w. to Ont., Mich. Host: Betula papyrifera. 



Dimorphopteryx melanognathus Rohwer, 1910. U. S. Natl. Mus., Proc. 38: 205. 9. 



Diynorphopteryx enucleatus MacGillivray, 1923. 111. Univ. Bui. 20(50): 10. 9. 



Dimorphopteryx scopulosus MacGillivray, 1923. 111. Univ. Bui. 20(50): 12. 9 . 



Biology: Dyar, 1895. Amer. Ent. Soc, Trans. 22: 311 {pinguis, not Norton). — Dyar, 1897. N. 

 Y. Ent. Soc, Jour. 8: 199. (pinguis, not Norton). 

 pinguis (Norton). N. S., P. E. I., N. B., Que. to Va. w. to Sask., Colo. Host: Alnus, Betula. 

 Allantzts pinguis Norton, 1860. Boston Jour. Nat. Hist. 7: 244. 9. 

 Sciapteryx punctum Provancher, 1878. Nat. Canad. 10: 72. S . 



Dimorphopteryx pinguis errans Rohwer, 1911. U. S. Natl. Mus., Proc. 41: 406. 9, S . 

 Dimorphopteryx coloradensis Rohwer, 1915. U. S. Natl. Mus., Proc. 49: 206. 9. 

 Dimorphopteryx ormiis MacGillivray, 1923. 111. Univ. Bui. 20(50): 11. 9. 

 Dimorphopteryx morsei MacGillivray, 1923. 111. Univ. Bui. 20(50): 11. 9. 



Biology: Wong, 1954. Canad. Ent. 86: 154. 

 virginicus Rohwer. Pa., Ohio s. to Ga. Host: Casta7iea dentata. 



Dimorphopteryx pinguis virginica Rohwer, 1911. U. S. Natl. Mus., Proc. 41: 406. 9, S. 

 Dimorphopteryx castaneae Rohwer, 1915. U. S. Natl. Mus., Proc. 48: 447. 9, 6. 



Tribe EMPRIINI 



Genus EMPRIA Lepeletier 



Empria Lepeletier, 1828. Encycl. Meth., Diet. Ins., p. 571. 



Type-species: Dolenis (Empria) palliynacula Lepeletier. Desig. by Brulle, 1846. 

 Poecilostoma Dahlbom, 1835. Conspectus Tenthred., Siricid., Oryssin. Scand., p. 13. 



Type-species: Tenthredo guttatum Fallen. Desig. by Rohwer, 1911. 

 Prosecris Gistel, 1848. Naturgesch. Thierr. f. hoh. Schul., p. 10. Unnecessary n. name for 



Poecilostoyna. 

 Poecilosoma Thomson, 1870. Opusc. Ent. 2: 265. Emend, of Poecilostoma. Preocc. by 



Huebner, 1819, and four others. 

 Poecilostomidea Ashmead, 1898. Canad. Ent. 30: 256. 



Type-species: Emphytiis maculatus Norton. Orig. desig. 

 Tetratneura Ashmead, 1898. Canad. Ent. 30: 256. 



Type-species: Selandria ignotus Norton. Orig. desig. 

 Tetraneura Konow, 1905. In Wytsman, Gen. Ins., v. 29, pp. 102, 171. Emend. Preocc. by 



Hartig, 1814. 

 Parataxonus MacGillivray, 1908. Canad. Ent. 40: 367. 



Type-species: Taxonus multicolor Norton. Orig. desig. 

 Leucempria Enslin, 1913. Deut. Ent. Ztschr., Beih., p. 187. 



Type-species: Tenthredo candidata Fallen. Orig. desig. 

 Empria subg. Trieynpria Enslin, 1914. Deut. Ent. Ztschr., Beih., p. 213. 



Type-species: Empria tridens Konow. Orig. desig. 



Species of this holarctic genus show considerable color variation; consequently the long list of 

 synonymies under some species. This genus also extends into Mexico. 



Revision: Ross, 1936. Pan-Pacific Ent. 12: 172-178. 

 alpina Benson. N. W. T., B. C; Europe. Host: Salix spp. 



Empria alpina Benson, 1938. Soc. Brit. Ent., Trans. 5: 190, 195. 9, <5. 

 candidata (Fallen). Que., Maine, N. H., N. W. T., Man., Alta., Yukon, B. C. Alaska; Europe to 

 Siberia. Host: Betula. 

 Tenthredo candidata Fallen, 1807. Svenska Vetensk. Akad., Handl. 28: 105. 

 Tenthredo (Allantus) repanda Klug, 1814. Mag. Gesell. Naturf. Freunde Berlin 8: 77. 9. 



