116 BIOLOGICAL SURVEY OF 



G. NYMPHAEAE Liini. Mt. Deseit, July (McAtee). It feeds 



on the leaves of the water lilies. 

 G. DECORA Say. S. W. Harbor, Bar Harbor, June 27-Aug. 18. 



It feeds on the leaves of willow. 

 G. ALNi Fall. S. W. Harbor; Salisbury Cove, June 27-July 



15. It feeds on the leaves of alder. 

 G. KALMiAE Fall. Long Pond; Bar Harbor, July 17-Aug. 18. 



It feeds on the leaves of laurel. 



MoNOXiA LeConte 



M. puNCTicoLLis Say. Salt marsh at the Narrows, Aug. 3- 

 Sept. 12. 



DiABROTiCA Chevrolat 



D. viTTATA Fab. Striped squash beetle. Bar Harbor; Long 

 Pond, June 19-Sept. 7. It feeds on the leaves of squash, 

 cucumber, etc. 



LuPERODES Motschulsky 



L. MERACA Say. Long Pond ; Eagle Lake ; Bar Harbor, June 

 27-July 22. It feeds on the wild rose. 



Oedionychis Latreille 



Oe. subvittata Horn. Common, June 27-Sept. 11. 



DisoNYCHA Chevrolat 



D. QuiNQUEviTTATA Say. Bar Harbor, Sept. 13. 



Haltica Geoffroy 



H. RosAE Woods. S. W. Harbor, July 11. It feeds on the wild 



rose. 

 H. iGNiTA 111. Bar Harbor, June 13, 



Chalcoides Foudras 



C. HELxiNEs Linn. Salisbury Cove; Bar Harbor, July 14-24. 

 It feeds on willow and poplar. 



Epitrix Foudras 



E. cucuMERis Harr. 'Cucumber flea-beetle.' Bar Harbor, 

 Sept. 9. It feeds on the leaves of cucumber, potato, etc. 



Systena Clark 



S. PALLicoRNis Schiff. Grccu Mt., Aug. 17. It feeds on 

 Polygonum. 



