1 66 CATALOGUE OF NORTH AMERICAN DIPTERA. 



femoratus WIEDEMANN, Dipt. Exot., 35; Auss. Z\v., i, 79. N. A. 



MACQUART, Dipt. Exot., i, i, 87 (fuscipcnnis). N. A. [Loew.] 

 ToWNSEND, Ins. Life, n, 43, oc. in Mich, in numbers. 



Atl. States (O. S.) ; N. J. (Smith Cat.) ; White Alts., N. H. (Slosson) ; 



Axton, N. Y. (Al. and H.). 

 fraternus LOEW, Cent., v, 8.-D. C. 



NEEDHAM, Amer. Nat., xxxvi, 181, oc. at Lake Forest, 111. Larvae at base 



of rotting stumps. Figs, larva and pupa, 

 fuliginosus BELLARDI, Saggio, i, 19. Alex. 



fumidus CCHJUILLETT, Dipt, of Commander Ids., 343. Copper Island, Alaska, 

 fumipennis WALKER, List, i, 122. Alartin's Falls, Canada. 

 gracilis WALKER, List, i, 123. Nova Scotia. 



Quebec (Wulp) ; Montreal (Chagnon) ; White Alts., N. H. (Slosson). 

 hirtus LOEW, Cent., v, 2. Cal. 



OSTEN SACKEN, West. Dipt., 211, note; Biologia, i, 4, notes. 

 humeralis WALKER, List, i, 121. Nova Scotia. 

 inequalis LOEW, Cent., v, 3. Sitka. 

 longipes LOEW, Cent., v, 12. D. C. 



N. J. (Smith Cat.) : Alontreal (Chagnon). 

 lugens LOEW, Cent., v, 6. Winnipeg, 

 nervosus LOEW, Cent., v, 4. Cal. 

 nigripilus LOEW, Cent., v, 10. Winnipeg. 



Montreal Chagnon. 

 obscurus LOEW, Cent., v, 5. Huds. Bay Terr. 



Alaska Coq. 



pallipes SAY, Jour. Acad. Sci. Phil., in, 76; Compl. Works, n, 68. Pa. 

 WIEDEMANN, Auss. Zw., i, 89. 

 VAN DER WULP, Tijdschr. v. Ent., xn. 81, notes. 



Ohio (Webster; N. J. (Smith Cat.) ; Montreal (Chagnon) ; White Alts., 

 N. H. (Slosson). 



piceus BELLARDI, Saggio, i, 17. Alex. 

 rufithorax WIEDEMANN, Auss. Zw., i, 78.- Pa. 



St. Augustine Fla. Johnson ; " The thorax of the male is black." 

 scitus WALKER, List, i, 122. Nova Scotia. 

 senilis VAN DER WULP, Tijdschr. v. Ent., xn, Si. W'is. 

 striatipes WALKER, List, i, 122. Nova Scotia. 

 tennipes COQUILLETT, Proc. U. S. N. AL, xxv, 95. Williams, Ariz, 

 thoracicus SAY, Long's Exped., App., 368; Compl. Works, i, 250. East Fla. 



WIEDEMANN, Auss. Zw., i, 78. 

 tristis WILLISTON, Trans. Kans. Acad. Sci., xin, 115, fig. Kans. 



KELLOGG, 1. c. 112, biol., with figs. 

 variabilis LOEW, Cent., v, 7. Sitka and N. H. 



COQUILLETT, Proc. Wash. Acad. Sci., n, 394, oc. in Alaska and Ore. 

 vestitus WALKER, List, i, 122. Nova Scotia. 



While Alts., N. H. Slosson. 



xanthopus WIEDEMANN, Auss. Zw., i, 80. N. Y. 

 MACQUART, Dipt. Exot., i, i, 88. N. A. 

 OSTEN SACKEN, Biologia, Dipt., i, 4, oc. in N. Sonora, Alex., with a doubt. 



N. J. Smith Cat. ; Axton, N. Y. AI. and H. 



sp. KELLOGG, Ins. Life, v, 116, larvas abundant in wheatfield, causing alarm, but 

 no damage. 



