Vol. XI] COLE AND LOVETT—LIST OF OREGON DIPT ERA 231 



165. Stratiomyia maculosa Loew 

 Common at Hood River, V-19 to VII-7 (Cole). 



166. Stratiomyia melanostoma Loew 

 Reported from Oregon by C. W. Johnson. 



167. Odontomyia arcuata Loew 

 Umatilla, VII-14 (H. F. Wilson). 



168. Odontomyia cincta Oliv. 

 Blitzen River, VII-6; Ashland, VI-21 (Chamberlin). 



169. Odontomyia hoodiana Bigot 

 Described from Mt. Hood. Quite common in the lower 

 Hood River Valley during the month of June. Collected 

 on marshy ground sloping toward the river. 



170. Odontomyia pilosa Day 

 Described from California; Bigot described it five years 

 later, as pyrrhostoma, from Mt. Hood. 



171. Euparyphus apicalis Coq. 

 Hood River, IX-4 (Cole). 



172. Clitellaria lata Loew 

 Corvallis, V-8 to VI-2; Mary's Peak and Kiger's Island. 



Family TABANID^ 



Fig. 14. Tabanus procyon O. S. 



These flies are commonly known as "horse-flies", "gad- 

 flies", "deer-flies", "green-heads", etc. They have short, 

 broad heads and the eyes are often colored. The mouth 



