THE MOUNT DESERT REGION 201 



Zenillia ^.Desvoidj (Exorista auct.) 



Z. EUDRYAE Town. N. E. Harbor, July 13 (Minot). 



Z. HELviNA Coq. S. W. Harbor ; Salisbury Cove, Aug. 11-22. 



Z. (Phryxe) CAESAR Aldr. {E. nigripalpis Town.). Common, 



Aug. 13-Sept. 6. 

 Z. (Phryxe) vulgaris Fall. Salisbury Cove; Witch Hole 



Pond, July 23-Sept. 11. 

 Z. (Parexorista) affinis Fall. S. W. Harbor, June 16. 

 Z. (Parexorista) cheloniae Bond, Salisbury Cove, July 12. 

 Z. (Parexorista) confinis Fall. S. W. Harbor, Aug. 20. 

 Z. (Eusisyropa) blanda 0. S. {E. hoarmiae Coq.) Green 



Mt. ; Salisbury Cove, July 6- Aug 17. Bred from Depres- 



saria infesting cow parsnip. 



Phorocera E.-Desvoidy 



P. COCCYX Aldr. & Webb.? Duck Brook, Sept. 11. 



DoRYPHOROPHAGA Townseiicl 



D. ABERRANs Towii. S. W. HarboT ; Bar Harbor, Sept. 6-13. 



A parasite of the potato beetle. 

 D. DORYPHORAE Riley. S. W. Harbor, Sept. 6. Also parasitic 



on the potato beetle. 



AcHAETONEURA Brauer and Bergenstamm (Frontina auct.) 



A. ALETiAE Riley. Green Mt., July 25. 

 A. FRENCHi Will. Bar Harbor, June 22. 



Myrsina R.-Desvoidy 



M. TENTHREDiNiDARUM Towu. Salisbury Cove ; S. W. Harbor, 

 July 10-Sept. 6. 



Gymnocarcelia Townsend 



G. RiciNORUM Town. {Sturmia alhifrons Coq.). Salisbury 

 Cove, July 19. 



Phrynofrontina Townsend 



P. DiscALis Town. S. W. Harbor; Long Pond, Aug. 20- 

 Sept. 6. 



CoMPSiLURA Bouche 



C. coNciNNATA Mcig. Loug Poud, Aug. 21. 



PiLATEA Townsend 



P. uNicoLOR Smith. Common, June 20-Sept. 13. 



