CATALOGUE OF NORTH AMERICAN DIPTERA. 593 



See note under RivclUa viridulans. 

 costalis Walker, List, iv, 995. — Martin Falls, Canada. 

 ? diopsides Walker, List, iv, 995. — Martin Falls, Canada. Query by Walker. 



Belongs perhaps to the Ulidinae — Loew, in O. S. Cat. 



See note under Seopiera vibrans. 

 platycnema Thomson, see Euxcsta. 



PTEROCALLA. 



RoNDANi, Ins. ditt. Brasil., Torino, 1848, 23. 



Loew, Mon. N. A. Dipt., iii, 132, 1873. 



Van der Wulp, Biologia, Dipt., 11, 393, 1899, table of Mexican species. 

 bella GiGLio-Tos, Ditt. del Mess., iv, 39, f. 11. — Orizaba, Mex. 

 costalis Van der Wulp, Biologia, Dipt, 11, 396, pi. xi, f. 5, 6. — Guerrero, Mex. 

 fenestrata Van der Wulp, Biologia, Dipt., 11, 394, pi. x, f. 30.— Vera Cruz and 



Tabasco, Mex. 

 obscura Wiedemann, Auss. Zw., ii, 499 (Trypcta). — Brazil. 



Macquart, Dipt. Exot., 11, 3, 202, pi. xxviii, f. 5 (Camptoneura). — Guiana. 



Schiner, Novara, 286 and 287, notes. — S. A. 



Loew, Mon. N. A. Dipt., iii, 13.— S. A. 



GiGLio-Tos, Ditt. del Mess., iv, 41, oc. in Tuxpango, ]Mex. 

 ocellata Faericius, Syst. Antl, 330 (Dictya).—S. A. 



Wiedemann, Auss. Zw., ii, 495 (Trypcta). — S. A. 



Macquart, Dipt. Exot., Suppl. i, 206, pi. xviii, f. 4 (Platystoina) . — Colom- 

 bia, S. A. 



RoNDANi, Ins. Ditt. Brasil., 1848, 24, 40. — Brazil. 



Schiner, Novara, 286. — S. A. 



Loew, Mon. N. A. Dipt., iii, 13 and 60. — S. A. 



GiGLio-Tos, Ditt. del Mess., iv, 40, oc. in Orizaba, Mex. 



Van der Wulp, Biologia, Dipt., 11, 395, pi. xi, f. 2. — -Vera Cruz, Mex. 

 quadrata Van der Wulp, Biologia, Dipt., 11, 394, pi. xi, f. i. — Tabasco, Mex. 

 strigula Loew, Mon. N. A. Dipt., iii, 133, pi. viii, f. 30. — Ga. 

 tarsata Schiner, Novara, 287. — S. A. 



GiGLio-Tos, Ditt. del Mess., iv, 40, oc. and note. — Orizaba, Mex. 



Van der Wulp, Biologia, Dipt., 11, 395, pi. xi, f. 3, 4. — Tabasco, Mex. 



CALLOPISTRIA. 



Loew, Mon. N. A. Dipt, in, 140, 1873. 

 annulipes Macquart, Dipt Exot, Suppl. v, 121 (Platystoina). — Baltimore, Md. 



Loew, Mon. N. A. Dipt., in, 141, pi. viii, f. 27. — United States; very com- 

 mon. 



N. J.— Smith Cat. 



MYENNIS. 



Desvoidy, Myodaires, 717, 1830. 



Loew, Mon. N. A. Dipt., iii, 142, 173. 

 scutellaris Wiedemann, Auss. Zw., 11, 484 (Trypcta). — 'Mex. 



Loew, Mon. N. A. Dipt., i, 60, 92 (f Trypcta) ; iii, 143. — Mex. 



GiGLio-Tos, Ditt. del Mess., iv, 39, oc. in Tuxpango, Mex. 



XANTHACRONA. 



Van der Wulp, Biologia, Dipt., 11, 392, 1899. 

 bipustulata Van der Wulp, loc. cit., pi. x, f. 29. — Mazatlan, Mex. 



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