302 CALIFORNIA ACADEMY OF SCIENCES [Pkoc. 4th Se». 



656. Exorista futilis O. S. 



Reported from Oregon by Coquillett. A parasite of the 

 common butterfly, Vanessa atalanta. 



657. Exorista vulgaris (Fall.) 

 Corvallis, VI. 



658. Phorocera claripennis Macq. 



Halsey, VIII-14 (Lovett). Bred from Schizura concinna 

 at Corvallis, IX-4 (Gentner). 



659. Phorocera facialis Coq. 

 Hood River, VI (Cole). 



660. Phorocera saundersii Will. 

 Halsey, VIII-14 (Lovett); Hood River, VI (Cole). 



661. Frontina frenchii (Will.) 



Large series from Corvallis, IV-30 to IX-30, those on the 

 last date bred from a sphingid on Populus trichocarpa. This 

 parasite has a long list of lepidopterous hosts. 



662. Tachina- 2 mella Walk. 

 Corvallis, V-4 to VI-24. 



663. Tachina robusta (Towns.) 

 Corvallis and Hood River, IV-28 to VI-3. Common. 



664. Tachina rustica Fall. 



Corvallis, V-28; Hood River, VI-12 (Cole and Childs) ; 

 Forest Grove, IX-30 (Cole). 



665. Blepharipeza adusta Loew 



Hood River, VI-14 (Childs) ; Corvallis; Philomath, V-16 

 (Lovett). 



22 Four additional species in this genus were collected at Hood River but 

 none could be determined with certainty. 



