98 Bulletin Wisconsin Natural History Society [Vol. 12, Nos. 3 & 4 
Type: T. perennis Meigen 
bicornuta Strobl. Europe. 
Mitth. Naturwiss. Ver. Steiermark, vol. 46, p. 117. (1910) (Phora) 
fratercula Brues. U. S, A. 
Trans. Amer. Ent. Soc., vol. 29, p. 341, fig. (1904) (Phora) 
Malloch, Proc. U. S. Nat. Mus., vol. 43, p. 420. (1912) 
intermedia Malloch. England. 
Entom. Monthly Mag., vol. 19, p. 204. (1908) 
Malloch, Ann. Scottish Nat. Hist., p. 89. (1910) 
lugubris Meig. Europe. 
Syst. Beschr., vol. 6, p. 217. (1830) 
Walker, List. Dipt. Brit. Mus., vol. 4, p. 1136. (1849) (Phora) 
Becker, Abh. zool.-bot. Ges. Wien, vol. 1, p. 18. (1901) (Phora) 
Wingate, Entom. Monthly Mag., vol. 17, p. Ill and 215. (1906) (papil- 
lata) 
Wood, Entom. Monthly Mag., vol. 17, p. 192 and 265. (1906) (Phora) 
Malloch, Ann. Scottish Nat. Hist., p. 89. (1910) 
Strobl, Mitt. Naturwiss. Ver. Steiermark, vol. 46, p. 119. (1910) (Phora) 
luteifemorata Wood. England. 
Entom. Monthly Mag., vol. 17, p. 191 and 265. (1906) (Phora) 
Malloch, Ann. Scottish Nat. Hist., p. 89. (1910) 
microcephala Lw. U. S. A. 
Cent. 7, p. 51. (1866) 
Aldrich, Canad. Ent., vol. 24, p. 143. (1892) 
Coquillett, Canad. Ent., vol. 27, p. 104. (1895) (Phora) 
Brues, Trans. Amer. Ent. Soc., vol. 29, p. 342. (1903) (Phora) 
Malloch, Proc. U. S. Nat. Mus., vol. 43, p. 421. (1912) 
nigricornis Egg. = opaca Meig. Europe. 
Verb, zool.-bot. Ges. Wien, vol. 12, p. 1235. (1862) 
nudicosta Brues. India. 
Ann. Mus. Nat. Hungarici, vol. 5, p. 404, fig. (1907) 
occidentalis Brues. U. S. A. 
Journ. New York Entom. Soc., vol. 16, p. 200. (1908) (Phora) 
IMalloch, Proc. U. S. Nat. Mus., vol. 43, p. 417. (1912) 
opaca Meigen 
Syst. Beschr., vol. 6, p. 216. (1830) (Phora) 
Macquart, Suit, a Buff., vol. 2, p. 647. (1835) (Phora) 
Zetterstedt, Dipt. Scand., vol. 7, p. 2866. (1848) (Trineura) 
Walker, List. Dipt. Brit. Mus., vol. 4, p. 1136. (1849) (Phora) 
Egger, Verh. zool.-bot. Ges. Wien, vol. 12, p. 1235. (1862) (Phora 
nigricornis) 
Schiner, Faun. Austr., vol. 2, p. 342. (1864) (Phora) 
Schiner, Faun. Austr., vol. 2, p. 342. (1864) (Phora nigricornis) 
Wulp, Tijd. V. Entom., vol. 14, p. 208. (1871) (Phora) 
Neuhaus, Dipt. March., p. 343. (1886) (Phora) 
Becker, Abh. zool.-bot. Ges. Wien, vol. 1, p. 17. (1901) (Phora) 
