Vol. XI] COLE AND LOIETT—LIST OF OREGON DIPTERA 205 



15. Cladura oregona Alex. 



Forest Grove, IX-30 (Cole). C. P. A. det. 1919, Insec. 

 Insc. Mens., VII, p. 147. 



16. Crypteria americana Alex. 

 Mt. Angel (Epper). 1917, Can. Ent., XLIX, p. 29. 



17. Phyllolabis latifolia Alex. 



Forest Grove, 111-28 (Cole). 1920, Pomona College 

 Journ. Ent. and Zoology, XII, p. 90. 



18. Limnophila cressoni Alex. 



Corvallis, IV-29 (Cole). C. P. A. det. 1917, Can. Ent., 

 XLIX, p. 208. 



19. Eriocera sp. near eriophora Will. 

 Grant Co., VII-1 (Chamberlin). One mutilated speci- 

 men. C. P. A. det. 



20. Tricyphona ampla Doane 

 Corvallis, IX-2S; Forest Grove, V-5, 20 and X-3 (Cole). 

 C. P. A. det. 



21. Tricyphona aperta Coq. 

 Hood River, VI-8 (Cole), det. with a doubt by Alex- 

 ander. 



22. Tricyphona constans Doane 

 Forest Grove, 111-29 (Cole). C. P. A. det. 



23. Tricyphona sparsipunctata Alex. 



Corvallis, V-14 (Moulton); Hillsboro, IV-1 (Cole). 

 1920, Pomona College Journ. Ent. and Zoology, XII, p. 90. 



24. Polyangaeus maculatus Doane 

 Forest Grove, V-20 (Cole). One specimen. 



25. Ctenophora angustipennis Loew 

 Common at Corvallis and vicinity in April and May, but 

 taken as late as October 29. The tunnels of the larvae in 



