Vol. XI] COLE AND LOVETT—LIST OF OREGON DIPTERA 233 



181. Chrysops proclivis O. S. 

 Common at Parkdale, VI-18 (Cole and Childs). Cole 

 det. 



182. Chrysops surdus O. S. 



Mt. Jefferson, VI I- 16 (Bridwell) ; Pamelia Lake, VI I- 19 

 (Bridwell). 



183. Tabanus aegrotus O. S. 



Williston reports this species from Oregon. Corvallis; 

 Mackenzie Ridge, VIII-27; Lava Lake, VII-25 (Lovett). 

 Cole det. 



184. Tabanus captonis Marten 



Hood River, VIII-1 (Childs); Corvallis, V-12; Grant 

 Co., VII-13; Whitman Nat. Forest, VII-14 (Chamberlin) ; 

 Subalpine regions on Mt. Jefferson, VI 1-20; Mary's Peak, 

 VII-18 (Gentner) ; Horse Lake, VII-25 (Bridwell). Hine 

 det. 



185. Tabanus centron Marten 



Whitman Nat. Forest, VII-14 (Chamberlin). Cole det. 



186. Tabanus epistatus O. S. 



Hood River, VII-22 (Childs) ; Whitman Nat. Forest, 

 VII-14 (Chamberlin) ; Grant Co., VII-8. Cole det. 



187. Tabanus insuetus O. S. 



Blitzen River, VII-6; large series from Whitman Nat. 

 Forest, VII-11 (Chamberlin) ; Burns, VII-29. Cole det. 



188. Tabanus intensivus Towns. 

 Horse Lake, VII-30 (Bridwell). Cole det. 



189. Tabanus laticeps Hine 

 Whitman Nat. Forest, VII- 12 (Chamberlin) ; Big Lake, 

 VII-20 (Bridwell). Cole det. 



190. Tabanus leucophorus Bigot 

 Described from Mt. Hood. 



