CATALOGUE OF NORTH AMERICAN DIPTERA. 363 



LoEW, Cent., iv, 82 (fitscipes). — Pa. 



OsTEN Sacken, Cat., 245, note 212, makes fuscipcs a var. 



WiLLiSTON, Synop. N. A. Syrph., 89 (fasciata, var. fuscipcs). — Conn., N. 



M., S. D. 

 Verrall, Brit. Flies, viii, 328. 



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

 laxa OsTEN Sacken, Bull. Buff. Soc. Nat. Sci., iii, 56; Cat, 245, redesc. — L. 



Superior, Maine, Mt. Washington. 

 WiLLisTON, 90, pi. IV, f. 4; Biologia, Dipt., in, 18, oc. and note. — White 



Mts., N. H., Ore., Wash., Cal. ; Mexico. 

 CoQUiLLETT, Proc. Wash. Acad. Sci., 11, 433, oc. in Alaska. 



LASIOPHTHICUS. 



Rondani, Dipt. Ital. Prod., i, 51, 1856; 11, 137, 1857. 



OsTEN Sacken, West. Dipt., 325, 1877; Cat, 1878, 244 (both Cataboinba). 



Bigot, Bull. Soc. Ent. France, 1882, No. 2, p. 20, syn. 



WiLLisTON, Sj-nop. N. A. Syrph., 62, 1886 (Catabomba). 



Verrall, Brit. Flies, viii, S33> iQOi (id.). 



Note. — I dissent from the conclusions of Osten Sacken and Verrall in 



adopting Rondani's name here. In the first reference above, Rondani says, 



" Spec : typ : Miisca pyrastri Lin.," and mentions no other species. Hence 



the proper procedure, in case the genus is illy conceived, is to revise its 



definition, rather than to make its type the type of another genus. I here 



use Lasioplifliicus as if this had been done, exactly in the sense of Cata- 

 bomba. 

 pyrastri Linne, Syst. Nat., loth ed., 594 (Musca) ; Fauna Suec, 2d ed., 448 

 (id.). — Europe. 



Fabricius, Spec. Ins., 11, 432 (Syrphus) ; Ent Syst., iv, 305, 306 (Syrphus 

 pyrastri and transfuga) ; Syst. Antl., 249, 250 (Scava pyrastri and traiis- 

 fuga). — Europe. 



Fallen, Syrphici, 39 (Scccva). 



Meigen, Syst Beschr., iii, 303 (Syrplnis). 



Say, Jour. Acad. Sci. Phil., iii, 99 (Syrphus aMiiis) ; Compl. Works, 11, 

 81 ( id. ) . — Arkansas. 



Wiedemann, Auss. Zweifl., 11, 117 (J>". atJiiiis). 



Macouart, Hist. Nat. Dipt., i, 536 (Syrphus). 



Zetterstedt, Dipt. Scand., 11, 703 and viii, 3132 (both Scceva). 



Curtis, Brit. Ent., 509, var. unicolor, which occurs also in Idaho. 



ScHiNER, Verb. Zool.-Bot. Ges., vii, 338; Fauna Austr., i, 301 (both Syr- 

 phus). 



Osten Sacken, West. Dipt., 325 (Catabomba). — Cal, Utah, Col. 



WiLLiSTON, Synop. N. A. Syrph., 63, pi. iv, f. i (Catabomba). — Kans. to 

 Ariz, and Wash. 



Snow, Kans. Univ. Quart, iii, 232, note on dist. (Catabomba). 



Verrall, Brit. Flies, viii, 334 (Catabomba) ; on p. 619 is a reference (Ent. 

 Mo. Mag., XXXIV, 244) to an alleged rearing of this fly from pupae of 

 a species of Plusia, which is probably an error, as I have reared it from 

 larvae feeding on the grain Aphis, Siphonophora avcnce. 



Very common in the U. S., west of the hundredth meridian — J. M. A. 



SYRPHUS. 



Fabricius, Syst. Ent., 762, 1775; Syst. Antl., 248, 1805 (Scceva). 

 Meigen, Syst. Beschr., iii, 274, 1822. 



