518 SCOLYTIDAE 



18307 T. betulae Sw. Cranberry L., Elka Pk., very common (Blkm) ; Ithaca 

 (Sw). Birches. 



18309 T. bivittatum Kby. Big Moose, Jl, Yg (Felt), as Xyloterus lineatus Oliv., | 



probably belongs here (Sw). Cranberry L., Syracuse, not very I 



common, Elka Pk., common (Blkm) ; Ithaca (Sw). Pines, spruces, I 

 firs, hemlock, larch, and juniper (Blkm, Sw). 



Hypothenemus Westwood 

 18321 H. hispidulus Lee. SI, Mar (L&D). 



StEPHANODERES Eichhoff 

 18367 S. dissimilis Zimm. Ithaca, Sep (Frost, Sw), Nov (Chitt) ; SI, Je (L&D). j 



Cryphalus Erichson 



18377 C. balsameus Hopk. Cranberry L., Elka Pk., common (Blkm). Fir. 

 C. mainensis Blkm. Cranberry L., common (Blkm). Spruce. 



Letznerella Reitter 



18379 L. jalappae Letzn. LI: Brooklyn, 1874, Hubbard and Ss, from Radix ! 

 jalap pae (Sz). 



GNATHOTRICHUS EichhofT 



18400 G. materiarius Fitch. Mt. Seward, 4500 ft., Je (M&H) ; Big Moose 

 (Felt) ; Cranberry L., Syracuse, Elka Pk., common (Blkm) ; Buffalo 

 (Z&R) ; Ithaca, Ap, Jl, Dt (Sw) ; West Pt. (Robn) ; LI: Manorville, 

 Oct (Felt). Pine, spruce, larch, and fir. 



CONOPHTHORUS Hopkins 



18405 C. resinosae Hopk. LI: Southold, Mar 1, in red-pine cones (Blkm). 

 18410 C. coniperda Sz. Axton, Upper Jay, Cranberry L., in white-pine cones 

 (Blkm). 



PSEUDOPITYOPHTHORUS Swaine 



18417 P. minutissimus Zimm. Syracuse, May, fairly common (Blkm) ; West Pt. 



(Robn). Oaks. 

 18419 P. pruinosus Eich. Peekskill (Ds) ; LI: Rockaway Beach, in wash-up 



(Nic). Oak. 



PiTYOPHTHORUS Eichhoff 



18421 P. ramiperda Sw. Niagara, Je 21, 1909 (Blkm). 

 18423 P. pulicarius Zimm. Ithaca (Sw). Pines. 



18425 P. rhois Sw. Syracuse, rather common (Blkm) ; Ithaca (Frost, Sw). 

 Sumach and poison ivy (Blkm). 



