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



327 



841. Euaresta araneosa Coq. 

 Colestin, VIII-31 (E. P. Van Duzee). C. W. Johnson 



det. 



842. Urellia aldrichii Doane 

 Corvallis, VII-22. 



843. Urellia mevarna (Walk.) 

 Duffy's Prairie, VII-16 (Lovett). 



844. Urellia pacifica Doane 

 Described from Oregon. 



845. Urellia Solaris Loew 

 Corvallis, VII-16. 



Family ORTALID^ 



Fig. 44. Chcetopsis cenea (Wied.) 



These flies are small or of medium size and often with 

 metallic colors. The head is of good size and the frons 

 is broad; the legs are usually stout and rather short. Some 



