Bark beetles (Figure 3) are among the more common boring insects detected in declining evergreens and spruce in urban and rural areas Symptoms include holes as thick as a pencil lead along the main trunk and major limbs Although there are many bark beetles in our region, their life cycles are similar
Norway spruce bark beetle- The Czech Republic, Poland, Germany, and Slovakia are all experiencing intense beetle attacks on their Norway spruce In Siberia, a related spruce beetle has helped another insect pest, the Siberian silk moth, damage more than 1,100 square miles of Siberian fir, pine, and spruce since 14 That infestation is now spreading northward into historically outbreakfreeResearch output Contribution to journal › Article › peerreview
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The aggressive primary Norway spruce bark beetle I typographus carries the pathogenic fungi Ceratocystis polonica and Grosmannia europhioides In addition to the pathogenic ascomycetes a range of nonpathogenic ophiostomatoid and yeast fungi are also associated with I typographus ( Solheim, 1992 , Kirschner and Oberwinkler, 1998 , Kirisits, 10 )Norway spruce ( Picea abies) forests suffer periodic fatal attacks by the bark beetle Ips typographies and its fungal associate, Ceratocystis polonica Norway spruce protects itself against fungal and bark beetle invasion by the production of terpenoid resins, but it is unclear whether resins or other defenses are effective against the fungus
Incoming Term: norway spruce bark beetle,
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