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smaller European elm bark beetle 



(native) elm bark beetle 



bark beetle introduced in Chile 



spruce bark becde 



spruce becde 



European bark beede 



gypsy moth 

 nun moth 

 larch casebcarer 

 wnter moth 



balsam woolly adelgid 

 hemlock woolly adelgid 

 pine bark adelgid 

 red pine adelgid 



beech scale 



elongate hemlock scale 

 circular hemlock scale 

 European pine sawfly 

 European pine sawfly 



pear thrips 

 basswood thrips 



Scolytus viultistriatus (Marsham) 

 HyluTgoptnus rufipes 

 Hylurgus ligniperda (F.) 

 Ips typographus L. 

 Dendroctonus rufipennis Kirby 

 Tomicus piniperda (L.) 



Lymantria dispar (L.) 

 Lymantria monacha L. 

 CoUophora laricella (Huebner) 

 Operophtera brumata (L.) 



Adelgu piccae (Ratzeburg) 

 Adelga tsugae Ai\nand 

 Piiteus stwbi (Hartig) 

 Pineus boemeri Annand 



Cryptococais fagisuga Lindinger 

 Fiorima externa Ferris 

 Nucuhpis tsugae (Marlatt) 

 DipTton similis (Hartig) 

 Neodiphan serbfer (Geoffroy) 



Taeniothnps inconsequens (Uzel) 

 Thrips calcaratus Uzel 



woodwasps 

 chestnut gall wasp 



European spruce sawfly 

 Asiauc oak weevil 



Srcxspp.; S. noctilio F. 

 Dryocosmus kuriphilus Yasumatsu 



Gitpinia hercymae (Hartig) 

 Cyrtepislomus castanais 



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