CATALOGUE OF NORTH AMERICAN DIPTERA. 503 



ACRONACANTHA. 



VAN DER WULP, Biologia, Dipt., n, -'43, 1891. 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., vi, 182, 1893. 

 nubilipennis VAX DEK WULP, Biologia, Dipt., n, 243, pi. v, f. 12. Costa Rica. 



DEXIOSOMA. 



RONDANI, Dipt. Ital. Prod., i, 85, 1856. 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., iv, 117, 1889; vi, 171, 



1893- 



VAN DER WULP, Biologia. Dipt., n, 244. 1891. 

 fumipennis BIGOT, see Ptilodc.via. 

 partitum BIGOT, Annales, 1888, 270. Mex. 



VAN DER WULP, Biologia, Dipt., n, 245, note on type. 



BRAUER, Sitzungsbericht d. K. Akad.. cvm, 14, same; suggests Pachy- 



graphla, a South American genus. 



vibrissatum VAX DER WULP, Biologia. Dipt., u, 244, pi. v, f. 13. Tabasco, Mex. 

 GiGLio-Tos, Ditt. del Mess., in, 03, note. Tuxpango, Alex. 



MEGAPROSOPUS. 



MACOUART. Dipt. Exot., n, 3. 83, 1843. 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., iv, 117, 1889; vi, 171, 



1893- 



michiganensis TOWNSEND, see Microphthahnu disjitnctii. 

 rufiventris MACQUART, Dipt. Exot., n, 3, 84, pi. x, f. i. Alex. 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., iv, 117; vi. 171. 



MACROMETOPA. 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., iv, 117, 1889; v, 362, 

 1891 ; vi, 172, 1893. 



VAN DER WULP, Biologia, Dipt., n. 245. 1891. 

 calogaster BIGOT, Annales, 1888, 266 (Microphthalma) . Mex 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., iv, 166 (Macromc- 

 topa inc.ricana) ; vi, 171 (id.). Mex. 



VAN DER WULP, Biologia, Dipt., n, 245, pi. v. f. 14, desc. and syn. Guer- 

 rero and Morelos, Mex. 



BRAUER, Sitzungsbericht d. K. Akad., cvm, 10, confirms syn. and gen. 

 ref., from type. 



STENODEXIA. 



VAN DER WULP, Biologia, Dipt., n, 246, 1891. 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., v, 379. 1891; vi, 133, 



1893. 

 albicincta VAN DER WULP, Biologia, Dipt., n, 246, pi. v, f. 15. Tabasco and ] 



Yucatan, Mex. 

 k BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., vi, 133. 



PTILODEXIA. 



BRAUER and BERGENSTAMM, Zweirl. d. Kaiserl. Mus., iv, 119, 1889 (Ptilo- 



dc.via and Clinoncura) ; v, 363, notes and syn.. 1891 ; vi, 173, 1893. 

 ? argentina BIGOT, Annales, 1888, 265 (Rhamphinina}.- \r-entina. 



BRAUER, Sitzungsbericht d. K. Akad., cvm. 14; a species from Mexico in 

 the Imperial Museum is probably the same, compared with the type; 

 hence I list it with a question. 



