Supplementary List of North American 

 Syrphidae. 



BY W. A. SNOW. 



The following species of Syrphidae have been discussed from a 

 systematic and fauna! standpoint, or described as new since the 

 publication of Dr. Williston's Synopsis in 1886. 



CALLICERA. 



montensis Snow.. J, p. 34, pi. VII, fig. 4; antea, p. 225. — Colo.,N. M. 



MIXOCASTER. 



bellula Will., B, p. I, pi. I, figs, i, la, ib. — Mex. 

 dimidiata G.-T., F, p. i; H, p. 3:^, pi- I, figs. 9, 9a. ^Mex. 

 mexicana Macq., Will., B, p. i. — Mex. 



MICRODON. 



aquilinus G.-T., F, p. 2; H, p. 36. — Mex. 



aurifex Wied.; Will., B, p. 2, pi. I, figs. 2, 2a. — Mex. 



aurulentus Fabr. ; G.-T., H, p. 35. — Mex. 



Microdon crassitarsis Macq.; F. L,\ ncli A., D, p. HO. [G.-T.]. 



''.Microdon macquartU F. Lynch A., D, p. 30. [G.-T.]. 

 falcatus Will., Synopsis, p. 9; B, p. 3; G.-T., H, p. 36. — Mex. 

 globosus Fabr.; Snow, antea p. 225. — Colo. 



Microdon fuscipennia Will , (nee Macq.) Synopsis, p. 4. [Will.], 

 gracilis Big.; Will., B, p. 3. — Mex. 

 megalogaster Snow, J, p. 34, pi. VH, fig. i. — 111. 

 niger Will., B, p. 4, pi. I, figs. 3, 3a. — Mex. 

 sp. Will., B, p. 4, 5. — Panama, 

 sp. Will., B, p. 4, 6.— Guatemala. 



OMECASYRPHUS. 



baliopterus Loew. ; Will., B, p. 3. — Mex. 



coarctatus Loew.; Will., Synopsis, p. 6, {Microdon); G.-T., E, p. 3; 



H, p. 39, pi. I, fig. II. 

 sp. Snow, antea, p. 226. — Colo. 



RHOPALOSYRPHUS. 



giintherii F. Lynch A., D, p. 39, {Holinbergia); 1. c, p. 152; G.-T., 

 E, p. 2; H, p. 35, pi. I, figs. 10, loa, lob. — Argentina, Mex. 



(249) KAN. UNIV. QUAR. VOL. Ill, KO 4. APRIL 1, 1895. 



