June, 1907.1 Jones : List of Nebraska Syrphid^e. 91 



3. Chilosia punctulata Hunter. 



Described by Hunter from two females from West Point, Nebraska, 

 in Canada Ent., Vol. XXIX, p. 128. 



7. CHALCOMYIA Williston. 

 I. Chalcomyia aerea Loew. 



One female from Cedar Bluffs, Nebraska. Formerly recorded from 

 Illinois and Virginia. 



8. MYIOLEPTA Newman. 

 I. Myiolepta varipes Loew. 



One male from Lincoln, Nebraska, which agrees with Loew's 

 description except that the legs are more luteous than black. Formerly 

 recorded from Washington, Virginia, California and Mt. Hood, Oregon. 



9. BACCHA Fabricius. 

 I. Baccha clavata Fabricius. 



Numerous specimens from Lincoln, Nebraska. 



10. PLATYCHIRUS St. Fargeau et Serville. 



1. Platychirus chsetopodus Williston. 



One male from Sioux Co., Nebraska, which answers to Williston' s 

 description except that the brown ring on the middle femora is want- 

 ing, and the yellow abdominal spots are larger. 



2. Platychirus quadratus Say. 



Specimens from Lincoln, and Glen, Sioux Co., Nebraska. 



11. MELANOSTOMA Schiner. 

 I. Melanostoma mellinum Linne. 



One female from Lincoln, and two females from Glen, Sioux Co. , 

 Nebraska, which appear to be different varieties. In the specimen 

 from Lincoln, Nebraska, the antennae are entirely brownish black, 

 legs reddish yellow with brown bands. In the specimens from Sioux 

 County the general color of the antennse is lighter and the lower part 

 of the third joint is reddish yellow ; the legs are entirely reddish yel- 

 low with no brownish rings. The wings of the western specimens are 

 relatively longer than those of the eastern specimen. 



12. EUPEODES Osten Sacken. 

 I. Eupeodes volucris Osten Sacken. 



Specimens from Lincoln, and Glen, Sioux Co., Nebraska. 



