98 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Family Playtypezid^. 



Platypeza obscura Loew. Kansas, Douglas county; July, twilight. 



Determination verified by Mr. Chas. T. Brues, who says it ' ' agrees with 

 Loew's description except for somewhat paler halteres. The speci- 

 men is in bad shape." New to Kansas. 

 Platypeza pallipes Loew. Kansas, Douglas county; June. 



Determination verified by Mr. Chas. T. Brues, who wrote: "Agrees with 

 the description except for darker (stained?) thorax. Undoubtedly 

 this, I think." New to Kansas. 

 Platypeza velutina Loew. Kansas, Douglas county; August. — Colorado, 

 Manitou; July. 



Family Pipunculid^. 

 Chalarus spurius Fal. Kansas, Douglas county; June, twilight. New to 



Kansas. 

 Pipunculus atlanticus Hough. Kansas, Douglas county; June, twilight. A 

 female specimen which agrees well with male from Quebec, 

 and with description, but both examples lack rows of minute 

 black spines on anterior femora, though distinct on middle 

 pair. New to Kansas, 

 cingulatus Loew. Kansas, Douglas county; August, 

 fuscus Loew. Kansas, Douglas county; July, twilight. New to 



Kansas, 

 nitidiventris Loew. Kansas, Douglas county; April, August, 

 subopacus Loew. Kansas, Douglas county; August. —Colorado, 



Tabernash; August, 

 subvirescens Loew. Colorado, Colorado Springs; August. 



Family Syrphid^. 



Microdon baliopterus Loew. Colorado, Garden of the Gods; July. 



Described as " Omegasyrphus sp. " by Mr. W. A. Snow, in Kan. Univ. 



Quart., vol. Ill, p. 226, and specimen has label bearing name "pulli- 



pennis Snow." However, Doctor Williston has declared that it is 



merely a variation of baliopterus Loew. 



Chrysotoxum laterale Loew, var. Kansas, Douglas county; September. 



New to Kansas. 

 Chrysogaster bellula Will. Colorado, Colorado Springs; August. 



nitida Wied. Kansas, Douglas county; October. 

 Pipiza pistica Will. Colorado, Manitou; July. 



pisticoides Will. Kansas, Sedgwick county; April. New to Kansas. 

 Paragus tibialis Fal. Colorado, Colorado Springs; July, August. 

 Myiolepta nigra Loew. Kansas, Douglas county; May, in window. New 

 to Kansas, 

 varipes Loew. Kansas, Douglas county; May. New to Kansas. 

 This specimen was examined by Prof. J. S. Hine, who reported upon it 

 as follows: "The Myiolepta is small and the legs are light colored, 

 but I think it is M. varipes Loew. I have a series of this species and 

 there is great variation in size and in the color of legs. Some of my 

 specimens are as small as yours. ' ' 

 Baccha clavata Fab. Kansas, Douglas county; data lost. Sedgwick county; 

 August. 



