174 
Psyche 
[Sept. 
Granovsky). Crookston, light trap, July 3, 1937, 1 male 
(D. G. Denning). Anoka Co., Coon Creek, June 4, 1937, 
1 male, 1 female (D. G. Denning). North Dakota: 
Wahpeton, July 11, 1934, 1 male, 1 female (D. G. Den- 
ning). Manitoba: Churchill, light trap, August 6, 1937, 
1 male (D. G. Denning). 
Hydroptila grandiosa Ross 
Although widely distributed in Central United States 
this is the first record from Minnesota. Minnesota: 
Anoka Co., Coon Creek, June 7, 1937, 1 male, 1 female 
(D. G. Denning). 
Hydroptila albicornis Hagen 
The records of Ross show the species to be widely dis- 
tributed; the Minnesota record extends the known range 
in a northwestwardly direction. Minnesota : Cass Lake, 
light trap, August 1-15, 1934, 3 male (A. A. Granovsky). 
Hydroptila consimilis Morton 
This is a common species now known to extend from 
Texas to the Hudson Bay. Minnesota: St. Paul, light 
trap, August 1, 1934, 1 male, 3 female (A. A. Granovsky). 
Crookston, at light, July 4, 1937, 2 male, 1 female (D. G. 
Denning). Manitoba: Churchill, August 2, 43 male, 34 
female (D. G. Denning). Churchill, light trap, August 
6, 1937, 1 male (D. G. Denning). Churchill River, 20 
miles S. of Churchill, August 5, 1937 (D. G. Denning), 
5 male, 15 female. 
Hydroptila perdita Morton 
Ross has recorded this species from Arkansas, Illinois, 
Michigan, New York, Ontaria and Pennsylvania. Minne- 
sota: Carlton Co., St. Louis River, Aug. 11, 1940, 1 male 
(D. G. Denning). St. Paul, light trap, July 14, 1935, 1 
male (A. A. Granovsky). 
Hydroptila ajax Ross 
The range of ajax is poorly known; the following 
records extend its known range considerably to the North 
