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Y. NIISIMA. 



Xylcbonis validus. Eichh. 



scptciitrionalis Niis. 



6. Pinus piiinila Regel. 



Crypturgus tuberoses Niis. 

 Pitiogcntis chalcograplius L. 

 Driocoetus pim Niis. 



7. Thujopsis dolabrata S. et Z. 



PJilocosiiins pcrlata Chap. 



II. An Laubhölzern. 



8. Acc)- pictinii Thunb. 



Scolytoplatypus mikado Blandf. 



9. Almts incaiia Willd var. glajjca Ait. 



Hylastcs ahn Niis. 

 Xylcbonis apicaris Blandf. 



scriatiis Blandf. 



alni Niis. 



sc/ianfitssi Blandf. 

 Platypus scvcrini Blandf 



10. CarpiuHS cordata Bl. 



Scolytus claviger Blandf. 



11. Cercidiphylhim japoiiicum S. et Z. 



Xylcborics s ares sent Ratz. 



12. Cormts macrophylla Wall. 



Scolytoplatypus daiinio Blandf 



13. Fraxinus loiigicuspis S. et Z. 



Hylcsinns laticollis Blandf 

 tristis Blandf 

 cingidatus Blandf 



14. Fraxinus viandshurica Rupr. 



Hylcsinns nobilis Blandf 

 laticollis Blandf 

 tristis Blandf 



