l88 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Pterallastes Loew. 

 thoracicus Loew. Cent., iv, 80. (A. B.C.) 



Teuchocnemis Osten Sacken. 

 lituratus Loew. Syn. N. A. Syrph., 200. (S.W.W.) 



Syritta St. Fargeau and Serville. 

 pipiens Linnaeus. Syn. N. A. Syrph., 240. 



Xylota Meigen.* 

 angustipennis Loew. Syn. N. A. Syrph., 231. 

 bicolor Loew. Ibid., 229. (A. B.C.) 

 chalybea Wiedemann. Ibid., 233. 

 ejuncida Say. Ibid., 229. 

 fraudulosa Loew. Ibid., 230. (A. B.C.) 

 obscura Loew. Ibid., 233. (C.W.J.) 



Ferdinandea Rondani. 

 dives Osten Sacken. Chrysochlamys. West. Dipt., 340; Syn. 

 N. A. Syrph., 241. (C.W.J.) 



Brachypalpus Macquart. 

 frontosus Loew. Syn. N. A. Syrph., 221. (A.B.C.) 



Criorhina Meigen. 

 analis Macquart. Syn. N. A. Syrph., 214. (A.B.C.) 

 badia Walker, intersistcns Walker. Ibid., 212. 

 decora Macquart. Somula. Ibid., 216. (A.B.C.) 

 umbratilis Williston. Cynorhina. Ibid., 212. 



Milesia Latreille. 

 virginiensis Drury. ornata. Syn. N. A. Syrph., 255. 



Spilomyia Meigen. 



fusca Loew. Syn. N. A. Syrph., 246. 

 hamifera Loew. Ibid., 247. (A.B.C.) 

 longicornis Loew. Ibid., 245. (A.B.C.) 

 quadrifasciata Say. Ibid., 248. 



Sphecomyia. 

 vittata Wiedemann. Syn. N. A. Syrph., 257. (C.W.J.) 



Temnostoma St. Fargeau and Serville. 

 alternans Loew. Syn. N. A. Syrph., 252. 

 bombylans Fabricius. Ibid., 250. (Aid. Cat.) 



* See also appendix. 



