THE MOUNT DESERT REGION 93 



Chlorotettix Van Duzee 



C. unicolor (Fitch). Bar Harbor; Station F130, July 24- 

 Oct. 7. Pastures and meadows are its borne. 



Balclutha Kirkaldy 



B. punctata (Tbiuib.). Bar Harbor ; Echo Lake ; S. W. Har- 

 bor, July 12-Sept. 6. 



Dikraneura Hardy 



D. mali Prov. A common pasture and grain pest throughout 

 spring and summer. On willow catkins May 11 (Br.). 



D. sp. Mt. Desert, Sept. 12 (Br.). 



D. sp. Mt. Desert, Sept. 25 (Br.). 



Empoasca Walsh 



E. obtusa (Walsh). "Mt. Desert," July 30 (McAtee). Feeds 

 on the willow. 



E. unica (Prov.). S. W. Harbor, Sept. 6. Alder is the food 



plant. 

 E. atrolabes (Gillette). Eden, July 15. Alder is a food plant. 

 E. querci var. gillettei Van D. (Typhi ocyba bifasciata G. 



& B.). Bar Harbor; S. W. Harbor, July 24-Sept. 5. Look 



on oak trees. 

 E. sp. From areas where pine grows. 



Typhlocyba Germar 



T. commissural^ Stal. Bar Harbor, August. 



T. plavoscuta (Gillette). Bar Harbor; Echo Lake; S. W. 



Harbor, July 12-Sept. 5. Another fern feeder. 

 T. gillettei (Van D.). Bar Harbor; S. W. Harbor, July 



24-Sept. 25. Look on oak trees. 

 T. nigra (Osb.). Bar Harbor, July 10-Aug. 31. Ferns in 



cool moist woods. 

 T. vanduzei (Gillette). Bar Harbor, Aug. 10. Found on 



ferns. 



