372 CATALOGUE OF NORTH AMERICAN DIPTERA. 



\VIEUEMANN, Anss. Zweifl., ii, 132 (Syrphns'). 



MACQUART, Dipt. Exot., Suppl. iv, 155 (Syrphus citigulatus}. Pensacola, 



Fla. 



J.ENNICKE. Netie Exot. Dipt., go (Syrphns Iicctictts).Ill 

 OSTEN SACKEN, Cat., 125, syn. of Macquart and Jaennicke. 

 WILLISTON, Synop. N. A. Dipt., 98 (Mcsograpta) ; Biologia, Dipt., in, 25, 



bibl., etc. N. C., Kans., Conn., Ga. ; Guerrero and Tabasco, Mex. 

 RILEY and HOWARD, Ins. Life, i, 5-8, figs., habits; larvae feed on pollen 



and tissues of corn; n, 115, note on damage. Mo. 

 SNOW, Kans. Univ. Quart., in, 239, note. N. M. 

 GiGLio-Tos, Ditt. del Mess., 11, 42, bibl., etc. Mex. 

 CHAGNON, fit. Prelim, les Syrpb., 38. St. Jean, Quebec. 

 St. Augustine, Fla. Johnson ; N. J. Smith Cat.; Montreal Chagnon. 

 pulchella MACQUART, Dipt. Exot., Suppl. i, 138, pi. xi, f. 12 (Syrplnts').--Sa'n 



Domingo. 

 VAN DER WULP, Tijdschr. v. Ent, xxvi, 4, pi. i, f. 4 ( Mcsograpta').- 



Guadeloupe. 



quinquecincta BIGOT, Annales, 1888, 254 (Mcsograpta). Mex. 

 quinquemaculata BIGOT, Annales, 1888, 254 (Mesograpta).M.ex. 

 rhombica GioLio-Tos, Boll. R. Univ. Torino, vii, No. 132, 1892; Ditt. del Mess., 



n, 46, pi. ii, f. 13. Orizaba, Mex. 

 sapphiridiceps BIGOT, Annales, 1884, 105 (" Mesograpta?"').M.ex. 



WILLISTON, Biologia, Dipt., in, 24. Guerrero, Mex. 

 subannulata LOEW, Cent., vi, 48. Cuba. 



GiGLio-Tos, Ditt. del Mess., ii, 47, pi. ii, f. 14. Mex. 

 COQUILLETT, Proc. U. S. N. M., xxn, 253, oc. in Porto Rico. 

 Jamaica Johnson. 



tridentata RONDANI, Ann. Soc. Nat. Moclena, in, 1868, i (Syrplnis). Patagonia. 

 BIGOT, Annales, 1884, 106 (McsograptaS pallipes).Mex. [G. T.] 

 WILLISTON, Biologia, Dipt., in, 27 (pallipcs). Guerrero, Tabasco, Mex. 

 GiGLio-Tos, Ditt. del Mess., ii, 48, pi. ii, f. 17. Tuxpango, Mex. 

 ? trilobata BIGOT, Annales, 1884, 109 (" Mcsograpta? "). Mex. 

 variabilis VAN DER WULP, Tijdschr. v. Ent., xxvi, 6, pi. i, f. 9 (Mcsograpta). - 

 Guadeloupe. 



SPHJEROPHORIA. 



ST. FARGEAU et SERVILLE, Encycl. Meth., x, 513, 1825. 



MACQUART, Dipt, du Nord de la France, 1827, 216; Hist. Nat. Dipt., 551, 



1834. 



LOEW, Oken's Isis, 1840, 573 (Melithreptus}. 



WALKER, Ins. Brit. Dipt., in, xxi (Mclilropluts), 1856. 



S< HIXER, Fauna Austr.. i. 315 ( Mclithrcptns'), 1862. 



WILLISTON, Synop. N. A. Syrph., 104, clef, and table of species, 1886; 

 Biologia, Dipt., in, 20, notes and table of species, 1891. 



VERRALL, Brit. Flies, vin. 426, 1901. 



CHAGNON, fit. Prelim, les Syrph., 40. 1901. 

 bacchides WALKER, see Allogrnptu obliqita. 

 [calceolatus MACQUART. For the possible occurrence of this in Mexico, see 



GiGLio-Tos, Ditt. del Mess., ii, 33.] 



/cylindrica SAY, Amer. Entomology, i, pi. XT; Compl. Works, i, 22 (both Syr- 

 phus}. Pa. 



WIEDEMANN, Auss. Zweifl., ii, 138 (id.). 



MACQUART, Dipt. Exot., Suppl. n, 62 (contigua). Philadelphia. [O. S.] 



