198 Kansas Academy of Science. 



Family Chironomid^. 

 Cricotopus sylvestris Fab. April. 



trifiasciatus Panz. September, at electric light. 

 Comptocladius byssinus Schrk. April, May. Also in Sedgwick county; 



April. 

 Orthocladius nivoriundus Fitch. May. 



politus Coq. July, at electric light. 

 Tanytarsus nigripulus Joh. March; April, at night. 



Family CULICID^. 

 Culex impiger Wlk. May, at night; July; July, twilight. 



pipiens Linne. May; June; June, twilight; July, twilight; August; 



November, 

 restuans Thbld. May, May, twilight; June; June, twilight; July; 

 July, twilight; August; August, twilight; September, in house; 

 October, 

 sylvestris Thbld. April; May, at night and in house; June; June, twi- 

 light; July; July, twilight; August; October. 

 Tseniorhynchus perturbans Wlk. August, twilight. 

 Sayomia punctipennis Say. July, at electric light; August, at night. 



Family Mycetophilid^. 

 Ceroplatus terminalis Coq. July, September. 

 Mycetophila contigua Wlk. March, 

 discoides Say. March. 



Family Bibionidte. 

 Bibio articulatus Say. April, May. 

 Dilophus serotinus Loew. October. 

 Scatopse atrata Say. April. 



notata Linne. April, in window; May. 



pygmaea Loew. April. 



Family Rhyphidte. 

 Rhyphus alternatus Say. April. 



punctatus Fab. April; June; June, twilight; July, twilight. 



Family Stratiomyid^. 

 AUognosta fuscitarsis Say. May, June, July, August. 

 Sargus elegans Loew. June. Also in Sedgwick county; April. 



Family Tabanid^. 

 Tabanus quinquevittatus Wied. June. 



Family Therevid^. 

 Thereva melanoneura Loew. May. 



Family AsiLlDJE. 

 Scleropogon picticornis Loew. Sedgwick county; August. 

 Heteropogon phoenicurus Loew. August. 

 Deromyia ternata Loew. July, twilight. 

 Cerotainia macrocera Say. July. 

 Erax bastardii Macq. July. 

 Tolmerus annulipes Macq. New variety, delusus Tkr. June. 



prairiensis Tkr. New species. Sedgwick county; August. 



