Vol. XI] COLE AND LOVETT—LIST OF OREGON DIPTERA 339 



917. Drosophila melanogaster Meig. 

 Hood River, X-l 1 (Cole). This species is better known 

 as D. ampelophila, the subject of so many experiments in the 

 study of heredity and evolution. 



918. Drosophila obscura Fall. 

 Corvalli's. Common European species. Melander det. 



919. Drosophila repleta Wollas. 

 Corvallis, V-23. Melander det. 



Family GEOMYZID^ 



Fig. 52. Geomyza lurida (Loew) 



Small or minute flies with rather large wings, the anal and 

 basal cells complete. The clypeus is larger than in the Agro- 

 myzidae and the foremost fronto-orbitals are directed back- 

 ward; postvertical bristles convergent. The adults are col- 

 lected by sweeping low plants and shrubbery, some species 

 being quite common. The larvae of some live in plant stems. 



920. Geomyza lurida (Loew) 

 Hood River, VI-21 (Cole) ; Tillamook, 111-26 (Burrill). 

 Described in the genus Balioptera. 



921. Diastata eluta Loew 

 Reported from Oregon by Melander. 



