CATALOGUE OF NORTH AMERICAN DIPTERA. 287 



delicatum WALKER, List, in, 645 (Psilopus). N. Y. (Unrecognizable.) 

 dimidiatum LOEW, Berl. Ent. Zeitsch., vi, 216; Mon. N. A. Dipt., n, 246 (both 



Psilopus) . Mex. 



ALDRICH, Biologia, Dipt., i, 365 (Gnamptopsilopus). Morelos, Mex. 

 Porto Rico, Roeder; South Amer. Schiner, Novara, 212. 

 dorsale LOEW, Cent., vi, 85 (Psilopus). Cuba. 



felipes LOEW, Neue Beitr., vm, 99; Mon. N. A. Dipt., n, 286, pi. vn, f. 44 (Psilo- 

 pus). Middle States. 

 flavicornis ALDRICH, Dipt. St. Vincent, 342 (Gnamptopsilopus}. St. Vincent, W. 



I. ; also from Grenada. 

 flavidum ALDRICH, Dipt. St. Vincent, 341, pi. xn, f. 109 (Gnamptopsilopus}. St. 



Vincent, W. I. ; also from Grenada. 



infuraatum ALDRICH, Biologia, Dipt., i, 365 (Gnamptopsilopus'). Guerrero, Mex. 

 mexicanum ALDRICH, Biologia, Dipt., i, 365 {Gnamptopsilopus}. Vera Cruz and 



Tabasco, Mex. 

 pallens WIEDEMANN, Auss. Z\v., n, 219 (Psilopus). N. Y. 



LOEW, Neue Beitr., v, 4 (Psilopus albonotatus, from Isle to Rhodes) ; vni, 



97 (Psilopus pallens} ; Mon. N. A. Dipt., n, 275 (id.). N. Y. 

 OSTEN SACKEN, Cat., 243, oc. and syn. Spain, N. Y., R. I. 

 N. J. Smith Cat. 

 psittacimim LOEW, Neue Beitr., vm, 96; Mon. X. A. Dipt, 11, 281 (Psilopus). 



-Fla. 

 N. J. Smith Cat.; Porto Rico Roeder; St. Augustine and L. Worth, Fla. 



Johnson. 

 scintillans LOEW, Neue Beitr., vm, 94; Mon. N. A. Dipt., n, 273 (both Psilopus). 



-Middle States. N. J. Smith Cat. 

 tener LOEW, Cent., n, 71 ; Mon. N. A. Dipt., IT, 284 (both Psilopus'}. Pa. 



N. J. Smith Cat. 

 unifasciatum SAY, Jour. Acad. Sci. Phil., in, 85 ; Compl. Works, n, 75 (Dolicho- 



pits).Pa. 



WIEDEMANN, Auss. Zw., n, 219 (Psilopus sayi}. 



LOEW, Neue Bietr., vm, 96; Mon. N. A. Dipt., n, 280 (both Psilopus 

 bicolor}. Middle States. Loew also quotes the earlier descriptions, pp. 

 332, 289, 293. 

 GiGLio-Tos, Annales Soc. Ent. France, 1895, 359, suspects that Psilopus 



Icptogaster THOMPSON, Eugen. Resa, 510, is the same as bicolor. 

 variegatum LOEW, Neue Beitr., vm, 95; Mon. N. A. Dipt.. IT. 278 (both Psilo- 

 pus}. F\a. Cuba. N. J. Smith Cat.; Fla., several places Johnson. 



MESORHAGA. 



SCHINER, Novara, 217, 1868. 



ALDRICH, Kans. Univ. Quart., n, 48, 1893 (Aptorthus} ; Ent. News, xi, 



53L syn. 

 albiciliata ALDRICH, Kans. Univ. Quart., n, 48 (Aptorthus}. Westville, 



Mich. N. J. Smith Cat. 



borealis ALDRICH, Kans. Univ. Quart., TI, 49 (Aptorthus}.- St. Paul. Minn. 

 nigripes ALDRICH, Kans. Univ. Quart., n, 49 ( Apiorlhus}. Cal. 

 townsendii ALDRICH, Kans. Univ. Quart., n, 50 ( Aptortlius).- Ariz.; At- 



lantic City, N. J. 



LEPTORHETHUM. 



ALDRICH, Kans. Univ. Quart., n, 50, 1893. 



angustatum ALDRICH, Kans. Univ. Quart., n, 50: Dipt. St. Vincent. 345, pi. xn. 

 f. 1 08. St. Vincent, W. I. 



