102 • BIOLOGICAL SURVEY OF 



Betarmon Kiesenwetter 



B. BiGEMiNATus Raiicl. S. W. Harbor, July 11. 



Elater Linnaeus 



E, RUBRicus Say. Bar Harbor, July 10. 



E. MixTus Hbst. 'Mt. Desert,' July (McAtee). 



E. NIGRICANS Germ. Echo Lake, June 17. 



Melanotus Eschscholtz 



M. CASTENiPEs Payk, Bar Harbor; Long Pond; N. E. Har- 

 bor, July 16-19. 



M. LEONARDi LeC. Duck Brook; Bar Harbor; S. W. Harbor, 

 June 13- July 19. 



Cardiophorus Eschscholtz 



C. GAGATES Er. Echo Lake, June 27. 



Melasidae 



Nicrorhagus Eschscholtz 



M. iMPERFECTus LcC. Bar Harbor, July 29. 

 Throscidae 



AuLONOTHROSCUs Horn 



A. CONSTRICTOR Say. Bar Harbor; Long Pond, June 16- 

 July 16. 



BuPRESTiDAE. Flat-headed wood-borers 

 Chalcophora Solier 



C. viRGiNiENsis Drury. Bar Harbor (Moore) ; Salisbury 

 Cove, June 9. The larva lives in pine. 



C. LACUSTRis LeC. Bar Harbor, June 8. 



DiCERCA Eschscholtz 



D. DivERiCATA Say. Upper Hadlock Pond, June 10. The 

 larva breeds in maple, beach cherry, and apple. 



D. PROLONGATA LcC. 'Mt. Dcsci't ' (H. Thayer). 



BuPRESTis Linnaeus 



B. MACULivENTRis Say. Bar Harbor, July 29. The larva in- 

 fests pine and spruce. 



B. FASciATA Fab. Ironbound Isl. (Blaney). 



