37O CATALOGUE OF NORTH AMERICAN DIPTERA. 



MESOGRAMMA. 



LOEW, Cent., vi, 47, 1865; in Centuries, vol. n, p. 290, Loew proposes to 

 change this name to Mesograpta, on account of Mesogramma having 

 been used in botany; this would not now be a valid change. 

 MACQUART, Dipt. Exot, Suppl, v, 93, 1855 (Toxomcrus). 

 WILLISTON, Synop. N. A. Syrph., 98, 1886 (Mesograpta) ; Biologia, Dipt, 

 in, 24, 1891, def. and table of Central American species. 

 CHAGNON, fit. Prelim, les Syrph., 38, 1901. 



anchorata MACQUART, Dipt. Exot., n, 2, 97, pi- xvi, f. 8 (Syrphus). - 

 arcifer LOEW, Cent., vi, 52 (Mesograpta). Cuba. 



Porto Rico Coquillett; Jamaica Johnson. 



aurulenta WILLISTON, Synop. N. A. Syrph., 102 (Mesograpta). San Domingo, 

 basilaris WIEDEMANN, Auss. ZweifL, n, 43 (Syrphus). Brazil. 



SCHINER, Novara, 350 (soror). America (doubtless S. A.). [Giglio-Tos.] 

 VAN DER WULP, Tijdschr. v. Ent., xxvi, 6, pi. i, f. 8 (Mesograpta). 



Guadeloupe. 



GiGLio-Tos, Ditt. del Mess., n, 45. Vera Cruz, Tabasco, etc. 

 ? WILLISTON, Trans. Ent. Soc. Lond., 1896, 349, doubtful oc. in St. Vin- 

 cent, W. I. 



?bicincta BIGOT, Annales, 1884, 112 (" Mesograpta? "). Mex. 

 bidentata GiGLio-Tos, Ditt. del Mess., n, 49, pi. n, f. 12. Orizaba and Tampico, 



Mex. 



WILLISTON, Biologia, Dipt., in, 25 ("Mesogramma f"). Mexico, sev- 

 eral placev 



?bistrigata BIGOT, Annales, 1884, no (" Mesograpta? "). Mex. 

 boscii MACQUART, Dipt. Exot., n, 2, 100, pi. xvi, f. 2 (Syrphus). Cardina. 

 WALKER, Dipt. Saund., 236 (Syrphus gurges). U. S. [O. S.] 

 LOEW, Cent., vi, 47 (parrula). Fla. [Hunter.] 



WILLISTON, Synop. N. A. Syrph., 99 and 103 (parvitla and boscii). Ga. 

 HUNTER, Canad. Ent., xxvm, 95. Mex. 

 St. Vincent Will. ; N. J. Smith Cat.; Porto Rico Roeder; Montreal 



Chagnon ; Fla. Johnson. 

 ciliata GiGLio-Tos, Boll. R. Univ. Torino, vii, No. 132, 1892; Ditt. del Mess., n, 



50, pi. n, f. 16. Tuxpango, Mex. 



? circumdata BIGOT, Annales, 1884, 107 ("Mesograpta!"'). Mex. 

 coalescens WALKER, Dipt. Saund., 237 (Syrphus). N. A. 



OSTEN SACKEN, Cat., 125, note; gen. ref. 

 comma GiGLio-Tos, Boll. R. Univ. Torino, vn, No. 132, 1892; Ditt. del Mess., 



n, 53. Mex. 

 confusa SCHINER, Novara, 349. S. A. 



BIGOT, Annales, 1884, 113 (Mesograpta? macidipes). Brazil. 

 GiGLio-Tos, Ditt. del Mess., n, 51, pi. n, f. 11, syn., etc. Mex. 

 corbis WALKER, Dipt. Saund., 237 (Syrphus). - 

 OSTEN SACKEN, Cat., 125, note; gen. ref. 



? cuprina BIGOT, Annales, 1884, 114 ("Mesograpta?"). Cuba. 

 diversa GiGLio-Tos, Boll. R. Univ. Torino, vn, No. 132, 1892; Ditt. del Mess., 



n, 48, pi. n, f. 13. Mex. 

 duplicata WIEDEMANN, Auss. Zweifl., n, 142 (Syrphus). S. A. 



MACQUART, Dipt. Exot., n, 2, 91, pi. xv, f. 9 (Syrphus). Uruguay. 

 RONDANI, Nuovo Ann. Sc. Nat. Bologna, 1850, 5; Ann. del Soc. Nat. 



Modrna, 1868, in, 3 (both Syrphus) .S. A. 



SCHINER, Novara, 350. Brazil and Colombia Wiedemann's types. 

 THOMSON, Eugen. Resa, 494 (Syrphus oelirogastcr). Buenos Ayres. 



