578 CATALOGUE OF NORTH AMERICAN DIPTERA. 



N. J. Smith Cat.; White Alts., N. H. Slosson; Montreal Chagnon; 



Fla. Johnson; Ida. J. M. A. 



nigripalpus WALKER, List, iv, 1068. Martin Falls, Canada, 

 obscuripennis BIGOT, see Physo^cinm rittata. 

 obtusa FALLEN, Sciomyzides, 13. Europe. 



MEIGEN, Syst. Beschr., vi, 12. 



ZETTERSTEDT, Dipt. Scand.. v, 2099. 



SCHINER, Fauna Austr., n, 47. 



LOEW, Mon. N. A. Dipt., i, 105, oc. in N. A., etc. 111. N. J. Smith Cat. 

 parallela WALKER, Dipt. Saund., 401. U. S. 



pubera LOE\V, Mon. N. A. Dipt., i, 106. Middle States. Seattle J. M. A. 

 serena VAN DER WULP, Biologia, Dipt., n, 356. Mexico City and Vera Cruz, 

 squalens VAN DER WULP, Biologia, Dipt, n, 356, pi. ix, f. 10. Mexico City. 

 strigata VAN DER WULP, Biologia, Dipt., n. pi. ix, f. 9. Vera Cruz and Mexico 



City. 



tenuipes LOEW, Cent., x, 80. Middle States, 

 trabeculata LOEW, Cent., x, Si. Texas. 

 transducta WALKER, Trans. Ent. Soc., n. sen, v, 320. N. A. 

 vittata HALIDAY, Ent. Mag., 1833. Europe. 



OSTEN SACKEN, Cat., 177, oc. in N. A. on authority of " Loew in litt." 

 AY>/r. I have not succeeded in tracing this species any farther than 



the data of the O. S. catalogue. 



ACTORA. 



MEIGEN, Syst. Beschr., v, 403, 1826. 

 ZETTERSTEDT, Dipt. Scand., vi, 2468, 1847. 

 SCHINER, Fauna Austr., u, 40, 1864. 

 ? ferruginea WALKER, List, iv, 1066. Nova Scotia. 



Note. This probably goes near Scatophaga; it has oral vibrissse. 



HETEROCHEILA. 



RONDANI, Dipt. Ital. Prod., i, 104, 1856 (Hctcrostoma, preoc.) ; n, 13, 1857 

 (changed to Hctcrochcila) ; Atta Soc. Ital. Sci. Nat., xi, 1868, 154 

 (changes again to Exochcila, because Hctcrochcila resembles other gen- 

 eric names). 



LOEW, Zeitsch. f. Ent. zu Breslau, 1859, 10 (CEdoparca). 



COQUILLETT, Proc. Wash. Acad. Sci., n, 458, notes ; accepts (Edoparca. 

 glauca COQL-ILLETT, Proc. Wash. Acad. Sci., n, 458 (CEdoparca). Metlakahtla 

 and Farragut Bay, Alaska. 



DRYOMYZA. 



FALLEN, Sciomyzides, 15, 1820. 



MEIGEN, Syst. Beschr., v, 255, 1826. 



ZETTERSTEDT, Dipt. Scand., v, 2081, 1846. 



Si HIXKR, Fauna Austr., 11, 39, 1864. 



aristalis COQUILLETT, Proc. U. S. N. M., xxm, 617. Ottawa, Canada, 

 convergens WALKER, List, iv, 983. Nova Scotia. 

 maculiceps WALKER, Trans. Ent. Soc., n. sen, v, 319. Mex. 

 pallida DAY, see Ncuroctcna a/iilis. 

 simplex LOEW, Mon. N. A. Dipt., i. 128. Middle States. 



NEUROCTENA. 



RONDANI, Prodrome Dipt. Ital., vn, pt. 3, 9. 1869. 

 anilis FALLEN, Sciomyzides, 16 (Dryomyza). Europe. 



