CATALOGUE OF NORTH AMERICAN DIPTERA. 395 



OsTEN Sacken, Cat., 250, note on types. 

 WiLLiSTON, Synop. N. A. Syrph., 205, quotes desc. 

 cimbiciformis Fallen, Syrphici, 27 (Syrphus).— Europe. 

 Meigen, Syst. Beschr., in, 385 (Eristalis). 



Macquart, Dipt. Exot., 11, 2, 68, pi. xii, f. 2 (Iniatisma posticata, fe- 

 male) . — Carolina, Philadelphia. 

 Zetterstedt, Dipt. Scand., 11, 663; xii, 4652. 

 Walker, List, in, 600 (Merodon bautias). — Ga. 

 LoEW, Neue Beitr., iv, 17, 43 (cristaloides) ; Silliman's Jour., oc. in 



N. A. 

 RoNDANi, Dipt. Ital. Prod., 11, 34 (Zetterstedtia). 

 ScHiNER, Verh. Zool.-Bot. Ges., vii, 402 (cristaloides) ; Fauna Austr., i, 



343 (id-)- 

 OsTEN Sacken, Cat., 250, note on type of bautias. 

 LiNTNER, 1st N. Y. Rept., 211 (dentipes Will.). 

 Karsch, Berl. Ent. Zeitsch., xxvii, 172, 1883 (bautias and atrox). 

 WiLLisTON, Berl. Ent. Zeitsch., xxvii, 171, 1883; Synop. N. A. Syrph., 

 202, pi. VIII, f. II and pi. IX, f. 8.— Canada and New Hampshire to Ga. 

 Hunter, Canad. Ent., xxviii, 99. — Nebr. ; sackcni is quite likely a syn. 

 Verrall, Brit. Flies, viii, 552, fig. 

 Chagnon, fit. Prelim, les Syrph., 56. — Montreal. 



Inverness, Fla.— Johnson ; N. J.— Smith Cat; Sea Cliff, L. I.— Banks ; 

 Axton, N. Y.— M. and H. 

 ? championi Williston, Biologia, Dipt., in, 69. — Guerrero, Mex. Query by 



Will. 

 facialis Hunter, Canad. Ent., xxviii, 100. — Nebr. 

 illinoisensis Robertson, Canad. Ent, xxxiii, 284. — Carlinville, III. 

 margarita Williston, Biologia, Dipt., 111, 70, pi. 11, f. 7.— Guerrero, Mex. 

 posticata Faericius, Syst. Antl., 237 (Eristalis). — Carolina. 



Say, Jour. Acad. Sci. Phil., vi, 163 (Milesia bardus) ; Compl. Works, 11, 



357 (id.). — Ind. ; the female here referred to belongs in cimbiciformis. 



Wiedemann, Auss. Zweifl., 11, 165, 194 (Eristalis coactus and posticatus). 



— -No. loc. ; Carolina. 

 Macquart, Dipt. Exot., 11, 2, 68 (Imatisma posticata; male only — the 



female is cimbiciformis). — Carolina, Philadelphia. 

 Walker, List, in, 600 (Merodon balanus). — N. Y. [O. S.] 

 Packard, Guide to Study of Ins., 399, f. 319 (Merodon bardus) ; Amer. 



Nat., II, Jan., 1869, 593 (id.). 

 Glover, MS. Notes, Dipt, 1874, z^, pl- viii, f. 30 (Merodon bardus). 

 LiNTNER, ist N. Y. Report, 211, life hist., figs., etc.; the rat-tailed larvae 



were found in decaying trees. — N. Y. 

 Williston, Berl. Ent. Zeitsch., xxvii, 170, syn.; Synop. N. A. Syrph., 



201, pl. VIII, f. 13. — New Eng., Canada, N. Y., Kans. 

 Bigot, Annales, 1883, 227, notes. 



Verrall, Brit. Flies, viii, 554, notes; does not occur in Europe. 

 Chagnon, fit. Prelim, les Syrph., 55. — Montreal. 



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

 Axton, N. Y.— M. and H. 

 sackeni Williston, Proc. Amer. Phil. Soc, xx, 324; Synop. N. A. Syrph., 204, 

 pl. VIII, f. 14; Biologia, Dipt., in, 70, oc. — Wash., Tex.; Guanaxuato, 

 Mex. 

 Osten Sacken, West. Dipt., 338 (posticata). — ^San Rafael, Cal. 

 This may still be only a synonym of posticata — J. M. A. 

 smithi Williston, Biologia, Dipt., in, 70, pl. n, f. 8. — Guerrero, Mex. 



