44 Everett E. Wehr 



Lincoln, Lancaster County; Roca, Lancaster County, and 

 Scottsbluff County, between March 31st and October 11th. 



Eristalis dimidiatus Wiedemann. Auss. Zweifl. Ins., ii, 180 (1828); 

 Williston, Synop. N. A. Syrph., 162 (1886). 



Fourteen s S and three 9 9 from Omaha, Douglas 

 County ; Lincoln, Lancaster County ; Roca, Lancaster .County ; 

 Fremont, Dodge County; South Bend, Cass County; Concord, 

 Dixon County, and West Point, Cuming County, between 

 March 31st and July 13th. 



Eristalis meigenii Wiedemann. Auss. Zweifl. Ins., ii, 177 (1828). 

 1877. androclus Osten Sacken, West. Dipt., 337. 

 1886. bro^lsi Williston, Synop. N. A. Syrph., 165. 



Five $ 6 taken at Omaha, Douglas County, and Mitchell, 

 Scottsbluff County, between June 17th and August 22nd. 



Eristalis temporalis Thomson. Eugen. Resa., 490 (1868). 



1865. hirtus Loew, Cent., vi, 66, Osten Sacken, West. Dipt., 335 

 (1877); Williston, Synop. N. A. Syrph., 162 (1886). 



Three $ $ and eight 9 9 taken at Warbonnet Canyon, 

 Sioux County; Mouth of Monroe Canyon, Sioux County; 

 Harrison, Sioux County ; Glen, Sioux County ; Mitchell, Scotts- 

 bluff County, and Omaha, Douglas County, between May 29th 

 and August 20th. 



Eristalis inornatus Loew. Cent., vi, 68 (1865) ; Williston, Synop. N. A. 

 Syrph., 175 (1886). 



A 9 taken in the Bad Lands, mouth of Monroe Canyon, 

 Sioux County, May 28, 1911 (L. Bruner). 



Eristalis montanus Williston. Proc. Amer. Phil. Soc, xx, 322 (1882); 

 Synop. N. A. Syrph., 166 (1886) ; Hunter, Canad. Ent., xxviii, 

 98 (1896). 



One 9 and two $ $ taken at Lincoln, Lancaster County, 

 April 6, 1918 (L. Bruner) and in Sioux County. 



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