CATALOGUE OF NORTH AMERICAN DIPTERA. 29 1 



sequax Walker, List, iii, 666 (Dolichopus). — Martin Falls, Canada. 



LoEW, Mon. N. A. Dipt., 11, 317, quotes orig. desc. ; p. 24, comments. 

 thersites Wheeler, Proc. Cal. Acad. Sci., 11, 61, pi. iv, f. 118.— Natrona Co., 

 Wind R. Mts., Two-gwo-te-ee Pass, all in Wyo. 



Rhaphiin^.. 



ARGYRA. 



IMacquart, Hist. Nat. Dipt., i, 456, 1S34. 



ScHiNER, Fauna Austr., i, 188, 1S62. 



LoEW, Neue Beitr., v, 38, 1857; viii, 45, 1861 ; Mon. N. A. Dipt., 11, 123, 1864. 



MiK, Dipterol. Untersuchungen, 1878 (Lasiargyra, in part). 



KowARZ, Verb. Zool.-Bot. Ges., xxviii, 1878, 437-462, i pi., revision of the 

 European species. 

 albicans Loew, Neue Beitr., viii, 45; Mon. N. A. Dipt., 11, 125. — D. C. 



MiK, Dipterol. Unters., refers to Lasiargyra. 



N. J.— Smith Cat. ; Quebec— Wulp. 

 albiventris Loew, Mon. N. A. Dipt., 11, 128. — Sitka. 



calceata Loew, Neue Beitr., viii, 47; Mon. N. A. Dipt., 11, 131.— Middle Stales. 

 calcitrans Loew, Neue Beitr., viii, 46 ; Mon. N."" A. Dipt., 11, 130.— N. Y. 



N. J.— Smith Cat. 

 cylindrica Loew, Mon. N. A. Dipt., 11, 132. — Sitka. 

 minuta Loew, Neue Beitr., viii, 46; Mon. N. A. Dipt., 11, 129. — D. C. 



N. J.— Smith Cat. 

 nigripes Loew, Mon. N. A. Dipt., 11, 127. — Sitka. 



LEUCOSTOLA. 



Loew, Neue Beitr., v, 39; viii, 53, 1861 ; Mon. N. A. Dipt., 11, 157, 1864 

 KowARZ, Verb. Zool.-Bot. Ges., 1878, 458. 

 cingulata Loew, Neue Beitr., viii, 53 ; Mon. N. A. Dipt., 11, I52.^D. C. 

 N. J.— Smith Cat. 



PORPHYROPS. 

 Meigen, Syst. Beschr., iv, 45, 1824. 

 ScHiNER, Fauna Austr., i, 196, 1862. 



Loew, Neue Beitr., viii, 50, 1861 ; Mon. N. A. Dipt., 11, 142, 1864. 

 Wheeler, Proc. Cal. Acad. Sci., 11, 33, table of species. 

 consobrinus Zetterstedt, Dipt. Scand., 11, 471 and viii, 3061. — N. Europe. 



Coquillett, Proc. Wash. Acad. Sci., 11, 426, oc. in Yakutat and Kukak Bay, 

 Alaska. Note. — The recognition of this European species is somewhat 

 premature, in view of the condition of our present knowledge of the N. A. 

 species, 

 effilatus V/heeler, Proc. Cal. Acad. Sci., 11, 34, pi. n. f. 54, 55 ; Psyche, June, 1890, 

 361 (the latter as P. longipcs). — Buck Creek and Little Wind R., Wyo.; 

 Milwaukee Co., Wis. 

 fumipennis Loew, Neue Beitr., vni, 51 ; Mon. N. A. Dipt., 11, 146.— Middle States, 

 longipes Loew, Cent., v, 92; Mon. N. A. Dipt., n, 340. — White Mts., N. H. 



Canada — O. S. Cat. See cfHlatus for Wheeler's reference, 

 melampus Loew, Neue Beitr., viii, 50; Mon. N. A. Dipt., 11, 141. — Atl. States. 



N. J.— Smith Cat. 

 nigricoxa Loew, Neue Beitr., vni, 51 ; Mon. N. A. Dipt., 11, 145.— Md. 



N. J.— Smith Cat. 

 pilosicornis Walker, see Pelastoneurus. 



