CATALOGUE OF NORTH AMERICAN DIPTERA. 389 



GiGLio-Tos, Ditt. del Mess., 11, 12. — Mexico City, 

 semicirculus Walker, Dipt. Saund., 249. — Honduras. 

 seniculus Loew, see albifrons. 



soulouquensis Bigot, Annales, 1880, 228 (Eristalomyia). — Hayti. 

 stipator Osten Sacken, see latifrons. 

 sumichrasti Giglio-Tos, Boll. R. Univ. Torino, vii, no. 123, 1892; Ditt. del Mess., 



II, 6.— Tehuacan, Mex. 

 temporalis Thomson, Eugen. Resa, 490. — Cal. 



Loew, Cent., vi, 66 (hirtus). — Cal. [O. S.] 



Osten Sacken, West. Dipt., 335 (Iiirtus), desc. and correction of Loew. — 



Cal. and Col., common. 

 WiLLiSTON, Synop. N. A. Syrph., 162 (hirtus). — Wash., Ore., Cal., W. 



Kans. 

 Townsend, Trans. Amer. Ent. Soc, xxii, 49, notes (hirtus). — Ariz., Col. 

 Baker, Ent. News, vi, 174, reared at Ft. Collins, Col.; larvse in ooze at 



mouth of drain (hirtus). 

 tenax Linne, Syst. Nat., loth ed., 591 (Musca) ; Fauna Suec, 2d ed., 444 (id.). 



— Europe. 

 ScopoLi, Ent. Carniol., No. 960, 961 (Coiiops vulgaris and fuscus). 

 Fabricius, Syst. Ent., 765 (Syrphus) ; Ent. Syst., iv, 288 (id.) ; Syst. 



Antl., 238. 

 Fallen, Syrphici, 26. 



Latreille, Consid. Gener., 443 (Elophilus). 

 Meigen, Syst. Beschr., iii, 385-388 (fciiax, campcstris, hortorum, sylva- 



ticus, vulpimis). 

 Zetterstedt, Dipt. Scand., 11, 661; viii, 3113; xi, 4301; xii, 4651. 

 Walker, Ins. Brit., Dipt., i, 243, pi. ix, f. 5. 

 Schiner, Verh. Zool.-Bot. Ges., vii, 390; Fauna Austr., i, 334. 

 Brauer, Zweifl. des Kaiserl. Mus., in, 69, 1883, bibliog. of larval stages, 



from Reaumur down. 

 Osten Sacken, Ent. Mo. Mag., xxiii, 1883, 97, spread in North America, 



etc.; Bull. Soc. Ent. Ital., 1893, 186-217 (also reprinted in English at 



Heidelberg, 1894) , " On the So-called Bugonia of the Ancients " (trans- 

 lation in Smithsonian Report, 1893) ; Berl. Ent. Zeitsch., xl, 1895, 142- 



147, early Chinese and Japanese literature of the larva. 

 Williston, Synop. N. A. Syrph., 160, pi. vii, f. 7. — New Eng., Central 



and Pacific States. 

 Riley and Howard, Ins. Life, 11, 262, alleged case of the larvae occurring 



in the human intestine ; in, 22, larvae in well, not positively identified. 

 Miall, Nat. Hist, of Aquatic Insects, London, 1895, pp. 198-215, larva, 



etc. 

 Townsend, Trans. Amer. Ent. Soc, xxii, 49, notes. — D. C, Cal.; Guan- 



axuato, Mex. 

 Verrall, Brit. Flies, viii, 505, figs. 

 Chagnon, fit. Prelim, les Syrph., 51. — Montreal. 

 N. J.— Smith Cat. ; White Mts., N. H.— Slosson ; Sea Cliff, N. Y.— Banks ; 



Beulah, N. M.— Skinner; Axton, N. Y.— M. and H. 



Note. — Linne, in Fauna Suec. — " Habitat in aquis stagnantibus, cloacis, 

 Bibliopagorum pappo, vix preli pressione destruenda larva." 

 testaceicornis Macquart, see ohsolctus. 

 thoracicus J.ennicke, see obsolctus. 

 transversus Wiedemann, Auss. Zweifl., 11, 188. — N. A. 



Macquart, Hist. Nat. Dipt., i, 307 (vittatus) ; Dipt. Exot., 11, 2, 34, pi. 



