Vol. XI] COLE AND LOVETT—UST OF OREGON DIPTERA 335 



888. Parydra limpidipennis Loew 

 Forest Grove, VI-6 and Hood River, X-26 (Cole). 



889. Parydra pinguis (Walk.) 

 Hood River, VI-6 (Cole). 



890. Parydra quadrituberculata Loew 

 Hood River, VI-3 to X-26 (Cole). 



891. Ephydra hians Say 

 Albert Lake (Aldrich). 



892. Scatella crassicosta Beck. 

 Forest Grove, IX-28 (Cole). 



893. Scatella mesogramma Loew 

 Hood River, VI- 19 (Cole). 



894. Scatella pentastigma (Thorns.) 

 Hood River, VI-21 to X-26 (Cole). 



895. Scatella picea Walk. 

 Hood River, X-26 (Cole). 



896. Scatella stagnalis (Fall.) 

 Hood River, VI-6 to X-26 (Cole). 



897. Lytogaster gravida (Loew) 

 Hood River, VI-19 to VII-10 (Cole). Cresson det. 



898. Mosillus subsultans (Fabr.) 

 Hood River, IX-29 (Cole). 



