l8o CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Diaphorus Meigen. 



leucostoma Loew. Mon. N. A. Dipt., ii, 166. (C.W.J.) 

 mundus Loew. Ibid., ii, 161. (C.W.J.) 

 sodalis Loew. Ibid., ii, 163. (C.W.J.) 

 spectabilis Loew. Ibid., ii, 162. (C.W.J.) 



Asyndetus Loew. 

 johnsoni Van Duzee. Psyche, xxiii, 93. (C.W.J.) 



Chrysotus Meigen. 



affinis Loew. Mon. N. A. Dipt., ii, 178. (C.W.J.) 

 auratus Loew. Ibid., ii, 183. 

 discolor Loew. Ibid., ii, 182. 

 obliquus Loew. Ibid., ii, 176. 



Argyra Macquart. 

 albicans Loew. Mon. N. A. Dipt., ii, 125. (C.W.J.) 

 aldrichi Johnson. Psyche, x, 18. 

 calcitrans Loew. Mon. N. A. Dipt., ii, 130. 



Leucostola Macquart. 



cingulata Loew. Mon. N. A. Dipt., ii, 152. (C.W.J.) 



Porphyrops Meigen. 



longipes Loew. Mon. N. A. Dipt., ii, 140. (C.W.J.) 

 melampus Loew. Ibid., ii, 141. (C.W.J.) 

 nigricoxa Loew. Ibid., ii, 145. (C.W.J.) 



Syntormon Loew. 

 cinereiventris Loew. Mon. N. A. Dipt., ii, 137. (S.W.W.) 



Sympycnus Loew. 



lineatus Loew. Mon. N. A. Dipt., ii, 189. 



Neurigona Rondani. 



carbonifer Loew. Cent., x, 84. (C.W.J.) 



rubella Loew. Mon. N. A. Dipt., ii, 227. (C.W.J.) 



tarsalis Van Duzee. Ann. Ent. Soc. Am., vi, 51. 



Hydrophorus Fallen. 

 intentus Aldrich. Psyche, xviii, 51. 

 parvus Loew. Mon. N. A. Dipt., ii, 216. (C.W.J.) 

 pirata Loew. Ibid., ii, 214. 



