OALLIPTERUS, Koch. 

 C. betulaecolens, Fitch. 

 C. castaneee, Fitch. 



Sub-Family LACHNIN-ffi. 



LACHNUS, Burin. 

 L. abietis, Fitch. 



L. alnifolii, Fitch. 

 L. laricifex, Fitch. 

 L. quercifolise, Fitch. 

 L. strobi, Fitch. 

 L. salicelis, Fitch. 



PHYL.L APHIS, Koch. 

 P. fagi, Linn. 



Sub-Family SCHIZONEURINJE. 



SCHIZONBURA, Hart. 

 >. americana, Eiley. 



; S. imbricator, Fitch. 

 S. lanigera, Hausm. 

 S. strobi, Fitch. 

 S. ulmi, Linn. 

 S. tessellata, Fitch. 



GLYPHINA, Koch. 

 G. ulmicola, Fitch. 



VACUNA, Heyd. 

 V. spinosus, Shinier. 



