96 KANSAS UNIVERSITY SCIENCE BULLETIN. 



Family DoLlCHOPODlDiE. 



Porphyrops effilatus Wheeler. Colorado Colorado Springs; July, 

 Sympycnus lineatus Loew. Kansas, Douglas county; May; May, at night; 



June; June, twilight; July, twilight. New to Kansas. 

 Nothosympycnus nodatus Loew. Kansas, Douglas county; June. 

 Dolichopus aldrichii Wheeler. Colorado, Tabernash (8310 feet) ; August. 

 One male and five female specimens, 

 amnicola Mel. & B. Colorado, Tabernash (8310 feet) ; August. 



One female specimen, 

 bifractus Loew. Kansas, Douglas county; May; May, at night; 



June. —Colorado, Colorado Springs; August, 

 cuprinus Wied. Kansas, Douglas county; June; June, twilight. 



—Colorado, Denver; August, 

 eudactylus Loew. Kansas, Douglas county; June, 

 longipennis Loew. Kansas, Douglas county; June; June, twi- 

 light; July, twilight, 

 obcordatus Aid. Colorado, Colorado Springs; August. Denver; 



August, 

 plumipes Scopoli. Colorado, Tabernash (8310 feet) ; August, 

 scapularis Loew. Kansas, Douglas county; June; June, twi- 

 light; July, 

 variabilis Loew. Colorado, Colorado Springs; August, 

 vigilans Aid. Kansas, Douglas county; June (type), 

 vittatus Loew. Kansas, Douglas county; June, twilight. New 



to Kansas, 

 willistonii Aid. Kansas, Douglas county, June (types). 

 Gymnopternus crassicauda Loew. Kansas, Douglas county; June. New to 

 Kansas, 

 humilis Loew. Kansas, Douglas county; June. New to 

 Kansas. 

 Hercostomus unicolor Loew. Colorado, Green Mountain Falls; July. 

 Pelastoneurus vagans Loew. Kansas. Douglas county; June, July, Au- 

 gust. 



Family Empidid^. 

 (The most recent determinations of species in this family were kindly 

 made by Prof. A. L. Melander.) 



Drapetis latipennis Mel. Kansas, Douglas county; June. New to Kansas. 

 Specimen identified by Prof. A. L. Melander and marked "homotype" 

 by him. 

 Platypalpus sequalis Loew. Kansas, Douglas county; August.— Colorado, 

 Colorado Springs; July, August, 

 hastatus Mel. Colorado, Tabernash; August. 

 Tachydromia inusta Mel. Colorado, Manitou; August. 



Specimens were found crawling on timbers which supported the roof of 

 entrance to Grand Caverns. Prof. A. L. Melander, to whom some of 

 the specimens were submitted, reported the name but added the fol- 

 lowing remark: "It may be that they represent an undescribed spe- 

 cies, for their wings are more hyaline than any of the specimens of 

 inusta 1 have." 

 Tachydromia pusilla Loew. Kansas, Douglas county; May. 



