Fluke—Syrphidae of Wisconsin. 
249 
135. T. aequalis Loew. Specimens taken in Milwaukee, Manito¬ 
woc, Douglas, and Sheboygan Counties. 
136. T. bombylans Fabr. Milwaukee, Washington, Douglas, and 
Manitowoc Counties. 
Sphiximorpha Bondani 
137. S. dbhreviata Loew. Only a few specimens taken in Dane, 
Milwaukee, and Washington Counties. 
Brief Bibliography 
The following publications are given mainly to indicate those 
that have been of the most help in the preparation of this paper. 
Aldrich, J. M. 1905. A catalogue of North American Diptera. 
Smithsonian Miscell. Coll. no. 1444. 
Barth, G. P. 1907. The occurrence of the Syrphid fly Condidea lata 
Coq. in Wisconsin. Bull. Wis. Nat. Hist. Soc. 5: 161. 
Coquillett, D. W. 1900. Diptera of the Harriman Alaska Exposition. 
Proc. Wash. Acad. Sci. 11: 389-464. 
-. 1904. Notes on the Syrphid fly Pipiza radicum Walsh and 
Riley. Proc. Entom. Soc. Wash. 6: 200. 
—. 1907. New genera and species of Diptera. Canad. Entom. 
39: 75. 
Forbes, S. A. 1905. Corn feeding Syrphus fly. Rept. Entom. Ill., 
23: 162-163. 
Graenicher, S. 1900. Syrphidae of Milwaukee County. Bull. Wis. 
Nat. Hist. Soc., July, 167-177. 
;-. 1910. A preliminary list of the flies of Wisconsin belonging 
to the Families Bombyliidae, Syrphidae, and Conopidae. Bull. 
Wis. Nat. Hist. Soc. 8: 3 2-43. Lists 92 species. 
--. 1910. Some rare Diptera. Canad. Entom. 42: 28-29. 
Hunter, W. D. 1896. A contribution to the knowledge of North 
American Syrphidae. I. Canad. Entom. 28: 87-101. 
-. 1896. A summary of the genus Chilosia Meigen in North 
America, with descriptions of new species. Canad. Entom. 28: 
227-233. 
——. 1897. A contribution to the knowledge of North American 
Syrphidae. II. Canad. Entom. 29: 121-144. 
Jones, P. R. 1907. Notes on some little known North American 
Syrphidae. Entom. News 18: 238—241. 
-. 1907. A preliminary list of Nebraska Syrphidae with descrip¬ 
tions of new species. Jour. N. Y. Entom. Soc. 15: 87-100. 
Johnson, C. W. 1907. Some North American Syrphidae. Psyche 
14: 75-80. 
