306 CATALOGUE OF NORTH AMERICAN DIPTERA. 



Isevigatus Loew, Neue Beitr., viii, 31 ; Mon. N. A. Dipt., 11, 87.— Middle States. 

 lunifer Loew, Neue Beitr., viii, 32; Mon. N. A. Dipt., 11, 89.— N. Y. 



N. J.— Smith Cat. 

 meniscus Loew, Cent., v, 88; Mon. N. A. Dipt., 11, 336.— D. C. 

 minutus Loew, Neue Beitr., viii, 35 ; Mon. N. A. Dipt, 11, 96. — Middle States. 

 mirificus Melander, Canad. Ent., xxxii, 137, fig. 13.— Mass. 

 nigribarba Loew, Neue Beitr., viii, 33; Mon. N. A. Dipt., 11, 91. — Pa. 

 obscurus Say, Jour. Acad. Sci. Phil., iii, 85; Compl. Works, n, 75 (Dolichopus). 

 —Pa. 



Wiedemann, Auss. Zw., ii, 232 (id.). 



Loew, Mon. N. A. Dipt., 11, 290, 296, quotes Say and Wiedemann. 

 opacus Loew, Neue Beitr., viii, 34; Mon. N. A. Dipt., ir, 93. — N. Y. 

 parvicornis Loew, Neue Beitr., viii, 34; Mon. N. A. Dipt, 11, 92. — Middle States. 

 phyllophorus Loew, Cent., vii, 82. — L. George, N. Y. 



White Mts., N. H.— Slosson. 

 poenitens Wheeler, see Hcrcostornus nuicolor. 



politus Loew, Neue Beitr., viii, 34 ; Mon. N. A. Dipt, 11, 94 and 334.— N. Y. 

 pusillus Loew, Mon. N. A. Dipt., 11, 334. — 111. 



ruficornis Aldrich, Trans. Ent. Soc. Lond., 1896, 309. — St. Vincent, W. L 

 scotias Loew, Neue Beitr., viii, 29; Mon. N. A. Dipt., 11, 81. — L. Winnipeg. 



N. J.— Smith Cat.; White Mts., N. H.— Slosson. 

 spectabilis Loew, Neue Beitr., viii, 30; Mon. N. A. Dipt., 11, 85.— N. Y. 



N. J.— Smith Cat 

 subdilatatus Loew, Neue Beitr., viii, 31 ; Mon. N. A. Dipt., 11, 86. — Middle 



States. N. J.— Smith Cat. 

 subulatus Loew, Neue Beitr., viii, 29; Mon. N. A. Dipt., 11, 80. ^Trenton Falls, 



N. Y. 

 tristis Loew, Mon. N. A. Dipt., 11, 83. — Sitka. 

 ventralis Loew, Neue Beitr., viii, 36; Mon. N. A. Dipt., 11, 97. — N. Y. 



D. C— O. S. Cat.; N. J.— Smith Cat 



HERCOSTOMUS. 



Loew, Neue Beitr., v, 9, 1857; viii, 42, 1861 ; Mon. N. A. Dipt., 11, 116, 

 1864. 



Wheeler, Proc. Cal. Acad. Sci., 11, 8, 1899, table of species. 



Melander, Canad. Ent., xxxii, 138, table of species, 1900. 

 Note. — -This genus is not well-defined, and serves as a catch-all for 



aberrant forms near Gymnopternus. 

 aurifer Thomson, Eugen. Resa, 512 (Dolichopus). — Cal. 

 anarmostus Melander, Canad. Ent., xxxii, 139, f. 3. — Chicago. 

 flavipes Aldrich, Biologia, Dipt., i, 336, pi. vi, f. 17. — Guerrero, Mex. 

 impudicus Wheeler, Proc. Cal. Acad. Sci., 11, 10, pi. i, f. 11-13. — Monterey, Cal. 

 latipes Aldrich, Trans. Ent. Soc. Lond., 1896, 311, pi. xii, f. iii. — St. Vincent, 



W. L Grenada — Aldrich. 

 metatarsalis Thomson, Eugen. Resa, 512 {Dolichopus). — Cal. 



Wheeler, Proc. Cal. Acad. Sci., 11, 8, pi. i, f. 9, 10 {procerus). — Mon- 

 terey, Cal. [J. M. A.] 

 procerus Wheeler, see metatarsalis. 

 unicolor Loew, Mon. N. A. Dipt., 11, 117. — Ft Resolution, Huds. B. Terr. 



Wheeler, Psyche, June, 1890, 356 {Gymnopternus poenitens). — Wis. 



MiK, Wien. Ent. Zeit., 1894, 4> g^'^- ref. of parnitcns. 



Melander, Canad. Ent., xxxii, 138, syn. 



Seattle— J. M. A. 

 vetitus Melander, Canad. Ent., xxxii, 138, f. i, 2. — Clementon, N. J. 



