THE MOUNT DESERT REGION 87 



Oncopsis Burmeister 



O. sobrius (Walk.). X. E. Harbor; S. W. Harbor, July 13- 



Aug. 10. Birch is a food tree. 

 0. PRUNi (Prov.). Common, July 12-Sept, 3. On birch and 



wild plum. 

 0. nigrinasi (Fitch). Bar Harbor; Eden; S. W. Harbor, 



July 13- Aug. 30. Hazel and Viburnum. 

 0. minor Fitch. Mt. Desert, July (Br.). It favors birch. 

 0. variabilis (Fitch). Mt. Desert, June 6 (Br.). Also favors 



birch. 

 0. sp. Corfield, June 8. 



0. sp. Mt. Desert, Aug. 10, beaten from spruce. 

 O. sp. Mt. Desert (Br.), June 30. 



Each of the three above differ. 



Neokolla Meliehar 



X. gothica (Signoret). Echo Lake; Eden; S. W. Harbor, 

 July 15-Sept. 6. Section 26, Stations F35 and F187, July 

 15-Sept. 6. 



Helochara Fitch 



H. communis Fitch. Feeds on grasses and the like along 

 streams and wet places. Bar Harbor ; Xarrows ; Seal Cove 

 Brook, July 19-27. 



Graphocephala Van Duzee 



G. coccinea (Forster). Paradise Hill, Oct. 6. 

 G. coccinea var. teliformis (Walk.). Bar Harbor; S. W 

 Harbor ; Station F68, July 24-Sept. 6. 



Cuena Meliehar 



C. lateralis (Fab.) Long Pond; Sec. 31; Somes Sound In- 

 let ; F31, Aug. 2-Sept. 16. Low pastures on grasses, etc. 



