324 



CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Sek. 



Family LONCH^IML 



This family is very nearly related to the Sapromyzidae 

 but several dipterists have recently separated it from that 

 group. Both the larvae and adults have characters that will 

 differentiate them. 



819. Lonchaea polita Say 

 Hood River, VI-24 (Cole). 



820. Lonchaea tarsata Fall. 

 Forest Grove, V-20 (Cole). 



821. Palloptera jucunda Loew 

 Yaquina Bay, V-16 (Lovett). 



822. Palloptera terminalis Loew 

 Forest Grove, IX-27 (Cole). 



Family TRYPETIDiE 



Fig. 43. Aciura maculata Cole. 



These have been called "peacock-flies" because of their 

 habit of elevating the wings and strutting about. The 

 female usually has a large horny ovipositor. Many of the 

 species have the wings marked and spotted in various ways. 



