164 CATALOGUE OF NORTH AMERICAN DIPTERA. 



urnicola OSTEN SACKEN, Canad. Ent, Nov., 1875. Trenton Falls, N. J. ; on Ur- 



tica gracilis. 

 verruca WALSH, Proc. Ent. Soc. Phil., in, 606 (salicis-verruca) ; vi, 226. Rock 



Id., 111. ; on leaf of Salix humilis and discolor. 

 verrucicola OSTEN SACKEN, Canad. Ent., Nov., 1875. New England ; on Tilia 



americana. N. J. Smith Cat. 



viticola OSTEN SACKEN, Mon. N. A. Dipt., i, 202. D. C. ; on Vitis. 

 RILEY, Amer. Ent., n, 28 and 113, fig. (both as vitis-lituus) . 



N. J. Smith Cat. 



BIBIONIM:. 



HESPERINUS. 



WALKER, List, i. Si, 1848. 



LOEW, Berl. Ent. Zeit., n, 101, pi. i, f. 1-15, 1858 (Spodiiis}. 

 brevifrons WALKER, List, i, Si. Martin Falls, Canada. 



White Mts., N. H., and Rocky Mts., Col. O. S. Cat. 

 COQUILLETT, Proc. Wash. Acad. Sci., n, 290, oc. on Popoff Id., Alaska. 



PLECIA. 



WlEDEMANN, AllSS. Z\V., I, /2, 1828. 



LOEW, Berl. Ent. Zeit., n, 101. 

 bicolor BELLARDI, see collaris. 

 collaris FABRICIUS, Syst. Antl., 54 (Hirtca). S. A. 



WIEDEMANN, Dipt. Exot., 32 ; Auss. Zw., i, 74. S. A. 

 SCHINER, Novara, 21. S. A. 

 BELLAKIH, Saggio, i, 16 (bicolor). Alex. 



OSTEN SACKEN, Biologia, Dipt., i, 3 (bicolor). Presidio, Mex. 

 WILLISTON, Biologia, Dipt., Suppl., 222, syn. and oc. at Teapa, Mex. 

 heros SAY, Jour. Acad. Sci. Phil., vi, 154; Compl. Works, n, 352 (Penthetna). 



Mex. 

 heteroptera SAY, Jour. Acad. Nat. Sci. Phil., in, 77; Compl. Works, n, 69 (Bibio). 



Md. 



WIEDEMANN, Auss. Zw., i, 80 (id.). 



? MACQUART, Hist. Nat. Dipt., i, 175 (Penthetna atra) ; Dipt. Exot., i, i, 

 85, pi. xii, f. 3 (Eupeitenus atcr. n. gen.). Philadelphia. [Osten Sacken ; 

 I use a question mark on account of the very different figure accompany- 

 ing the second desc.] 

 LOEW, Berl. Ent. Zeitsch., n, 109. 



VAN DER Wi'Li', Tijdschr. v. Ent., xn. Si, ref. to Macq. 

 Montreal, Quebec, N. H., Mich., New Orleans. S. D. J. M. A. 

 heteroptera MACQUART, see plagiata. 

 nigerrima BELLARDI, Saggio, i, 14. Mex. 



WILLISTON, Biologia, Dipt., Suppl., 221, oc. in Mex., several places. 

 plagiata WIEDEMANN, Analecta Ent., 11; Auss. Zw., i, 175. Brazil. 



MACQUART, Dipt. Exot., Suppl., i, 21, pi. n, f. 10, female (heteroptera). 



Colombia. 



BELLARDI, Saggio, App., 7, f. 4 (vitlafa). Mex. 

 SCHINER, Novara, 22. Colombia; notes and syn. preceding. 

 OSTEN SACKEN, Biologia, Dipt., i. 2 : oc. in Vera Cruz and Tabasco, Mex. 

 rostellata LOEW, Berl. Ent. Zeitsch., 1858, 109, fig. 



BELLARDI, Saggio, i, 15 (rostrata) fSchiner]. Mex. 

 SCHINER, Novara, 21, notes. 



