THE MOUNT DESERT REGION 



207 



Cakphoborus Eichhoff 



C. n. sp. Penikese; in U.S.N.M. 



DendeOCTONUS Erichson 



D. piceaperda Hopk. (18223). From dead spruce (Br.), 

 Oct. 8. 



D. valens Lec. (18231). The Turpentine Beetle. Corfield 

 flying, June 16. Dug from dead spruce Bar Harbor, Oct. 8 

 (Br.). 



Leperisinus Beitter 



L. aculeatus (Say). (18252). The host is ash from which 

 it was taken, Corfield, Sept. 13 ; Indian Point, Sept. 23. 



Htlastinus Bedel 



H. obscurus (Marsh.) (18255). Reared from firewood in 

 laboratory. June 3. 



Hylurgops Leeonte 



H. pixifex (Fitch) (18267). Spruce stump opposite Peni- 

 kese, Aug. 5. 



Xyloterinus Swaine 



X. politus (Say) (18304). In burrows of white birch (Br.). 

 May 3. 



Trypodendron Stephens 



T. RETtTSUM (Lec.) (18306). On poplar catkins, Apr. 26 



(Br.). 

 T. bivitattum (Kby.) (18309). Mt. Desert, May 7 (Br.). 



GXATHOTRK'HVS Eichhoff 



G. materiarius (Fitch) (18400). The Pine Wood Stainer. 

 Excavates galleries in the sapwood and heartwood of dying 

 and recently felled pine and spruce. Bar Harbor, June 16. 



Coxophtiiorus Hopkins 



C. coxipeuda (Sz.) (18410). Bar Harbor, May 4. 



