Superfamily TENTHREDINOIDEA 115 



Tenthredo pallipundus MacGillivray, 1895. Canad. Ent. 27: 282. 9. A questionable 



synonym. 

 Tenthredo sahlbergii Konow, 1908. Ztschr. System. Hym. Dipt. 8: 91. 9, d. 



Species Group OccmENTALis 



bella Cresson. Colo. 



Tenthredo bella Cresson, 1880. Amer. Ent. Soc, Trans. 8: 21. 9. 



occidentalis Cresson. Ont. (?), Wyo., Colo. 



Tenthredo occidentalis Cresson, 1880. Amer. Ent. Soc, Trans. 8: 23. 9. 



Tenthredo vapida Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 315. 9, <?. A questionalbe 

 synonym. 



Tenthredo femigineipes var. pikei Rohwer, 1909. Canad. Ent. 41: 107. 9. 



Tenthredo varifrons Rohwer, 1909. Canad. Ent. 41: 110. <J. A questionable synonym. 

 subrufescens Kirby. Ont. 



Tenthredo subrufescens Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 311. 9. 



Species Group Grandis 



colon Klug. Labrador, N. B., N. H. w. to Alaska; Europe, Asia Minor, Siberia. Host: Viburnum, 

 Salix, Rosa, Corylus, Sorbtis. These hosts recorded in Europe. 

 Tenthredo {Allantus) colon Klug, 1814. Mag. Gesell. Naturf. Freunde BerHn 8: 182. 9, cJ. 

 Tenthredo ebumeifrons Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 306. 9. 

 Tenthredo nigricollis Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 308. 9. 



Taxonomy: Benson, 1962. Brit. Mus. (Nat. Hist.) Ent., Bui. 12: 392 {Tenthredo livida of 

 American authors, not Linnaeus). 

 grandis (Norton). N. B., Que., Ont. s. to N. C. 



Allantus grandis Norton, 1860. Boston Jour. Nat. Hist. 7: 239. 9. 

 Tenthredo antennata Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 308. 9. 

 Tenthredo dubitatus MacGilhvray, 1897. N. Y. Ent. Soc, Jour. 5: 103. 6. 



Species Group Verticalis 



borealis Kirby. Ont., N. Y. w. to Alta., Minn. 



Tenthredo cingulata Provancher, 1878. Nat. Canad. 10: 196. 9. Preocc. 



Tenthredo borealis Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 318. 9. 



Tenthredo nitila MacGillivray 1923. Canad. Ent. 55: 160. 9. 

 verticalis Say. N. B., Que., Ont. to N. C. w. to Minn. 



Tenthredo verticalis Say, 1824. In Keating, Narr. Long's Exped. (App.) p. 317. 9. 



Tenthredo causatus MacGilhvray, 1900. Canad. Ent. 32: 178. 6. 



Tenthredo mbripes MacGilhvray, 1900. Canad. Ent. 32: 178. S. 



Species Group Semirufa 



attracta Norton. "English River." 



Tenthredo attractus Norton, 1869. Amer. Ent. Soc, Trans. 2: 240. 9 . 



concessa Norton. Ont. to Pa. w. to Alta., S. Dak., Mont., Colo. Host: Betula. 

 Allantus tricolor Norton, 1860. Boston Jour. Nat. Hist. 7: 247. 9. Preocc 

 Tenthredo concessus Norton, 1869. Amer. Ent. Soc, Trans. 2: 238. 9. 

 Tenthredo bamstoni Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 314. 9, 6. A questionable 



synonym. 

 Tenthredo cressonii Kirby, 1882. List. Hym. Brit. Mus., v. 1, p. 315. 9. 

 Tenthredo uniformis Kirby, 1882. List Hym. Brit. Mus., v. 1, p. 317. 9. 

 Tenthredella rohweri Smulyan, 1915. Canad. Ent. 47: 323. N. name for tricolor Norton. 

 Tenthredella tricolor var. savanna Ross, 1931. Ent. Soc. Amer., Ann. 24: 116. 9. 



Biology: Dyar, 1895. Amer. Ent. Soc, Trans. 12: 312. 



eximia Norton. Maine to N. J. w. to Alta., Colo. 



Tenthredo eximius Norton, 1869. Amer. Ent. Soc, Trans. 2: 231. 9,6. 



Tenthredo pallicoxa Provancher, 1878. Nat. Canad. 10: 201. 9. A questionable synonym. 



Tenthredo nova MacGilhvray, 1897. N. Y. Ent. Soc, Jour. 5: 105. 9. 



