TIPDLIDAE. 29 



*venusta 0. Sackon, Proc. Acad. Nat Sc. Phil 1859, 227; Monogr. etc. 

 IV, 158; Tab. I, f. 17, wing; Tab. IV, f. 16, forceps. -- Atlantic 

 States. 



Sttbgnms Uoplolabis (0. Sackcn, Monogr. etc. IV, 152). 



"armata 0. Sackon, Proc. Acad. Nat. Sc. Phil. 1859,227; Monogr. etc. 

 IV, 160; Tab. I, f. 18, wing; Tab. IV, f. 14, forceps. - Atlantic 

 States and Canada (Quebec). 



* bipartite 0. Sacken, Western Diptera 199. - - Environs of San Fran- 

 cisco, Cal. 



Subc/emis Mesocyphona (0. Sacken, Monogr. etc. IV, 152). 



*caloptera Say, Journ. Acad. Nat. Sc. Phil. Ill, 17, 1; Compl. Wr. If, 

 44 (E. caliptera); Wiedemann, Auss. Zw. I, 23, 1; 0. Sacken, Proc. 

 Acad. Nat. Sc. Phil. 1859, 226; Monogr. etc. IV, 161; Tab. IV, 

 f. 15, forceps. - - Atlantic States, as far West as Colorado, north 

 to Quebec, Canada; also in Cuba. 



*parva 0. Sacken, Proc. Acad. Nat. Sc. Phil. 1859, 227; Monogr. etc. 

 IV, 162. -- Distr. Columbia; New Jersey. 



*dulcis 0. Sacken, Western Diptera, I, 198. - - Lake Tahoe, Sierra 

 Nevada, Cal. 



Subgenus Molopliilus (Curtis, Brit Entomol. 1833; 0. Sacken, Monogr. etc. 

 IV, 153; Erioptera Schiner 1S63). 



*forcipula 0. Sacken, Monogr etc. IV, 163. New Jersey (a similar 



species in California see Western Diptera, 200). 

 *hirtipeiinis 0. Sacken, Proc. Acad Nat. Sc. Phil. 1859, 228; Monogr. 



etc. IV, 163. - - Distr. Columbia; New Jersey. 

 *pubipeunis 0. Sacken, Proc. Acad. Nat. Sc. Phil. .1859,228; Monogr. 



etc. IV, 162. - - Distr. Columbia. 

 *ursiuu 0. Sacken, Pioc. Acad. Nat. Sc. Phil. 1859, 228; Monogr. etc. 



IV, 164. Distr. Columbia; Maryland; (a similar species in 



California, see Western Dipt. 200.) 



Trimicra. 



0. Sacken, Proc. Acad. Nat. Sc. Phil. 1861; Monogr. etc IV, 165. 



*auoinala 0. Sacken, Proc. Acad. Nat. Sc. Phil. 1861, 290; Monogr. etc. 

 IV, 167; Tab. II, 1, wing - Distr. Columbia; New York; Rhode 

 Island; also in California, see Western Diptera, 200; Oaxaca, 

 Mexico (Coll. Bellardi). 



Chionea. 



Dalman, K. Vetensk, Acad. Handl. 1816; 0. Sacken, Monogr. IV, 168. 



scita Walker, List etc. I, 82. - - North America. 

 *valg-a Harris, Ins. Inj. to Veget. etc. 3 d ed. 601 fig 260. Massachusetts. 

 Lliionta asptra Walker, List, etc. I, 82. Huds. B. Terr. 



