Ussuri polygraph Polygraphus proximus in Moscow

Special survey revealed new habitats invasive pest fir - Ussuri polygraph Polygraphus proximus in Moscow. Several fir grows in the Experimental Forest cottage Moscow Agricultural Academy. KA Timirjazeva. All of them were inhabited by a polygraph, one tree died.

In the Main Botanical Garden of Academy of Sciences in the collection fir plantations also identified the settlement of this pest. The most hard-hit Siberian fir Abies sibirica , part of the planting of trees in a collectible already died. Many trees are signs of defeat this threat. More resistant to it balsam fir A. balsamea. On the Caucasian fir A. nordmaniana settlements polygraph is not revealed, but Pikhty A. concolor, A. grandes, A. sachaliensis, A. nephrolepsis, A. koraena, A. holophylla and A. fraserii there are attempts settlement.

A strong move in this subject phytophagy American fir A. lasiocarpa, with one tree cut down and killed.

Surveys have helped to establish that the Ussuri fir bark beetle continues to destroy the territory of Moscow. Currently, he began destroying a collection of fir trees at the Main Botanical Garden of Academy of Sciences, which will suffer irreparable loss if immediate action is not taken protection.

Thus, on the territory of Moscow Ussuri woodworm in 2012 - 2013 years. found on a single fir growing in street tree planting planting in the northern part of Moscow, in the Experimental Forest cottage ICCA them. KA, Timirjazeva and in the Main Botanical Garden of Academy of Sciences.

In places there are numerous settlements beetles fir tissue necrosis caused by fungi ofiostomovymi carried by bark beetles. The species they belong to be determined.

This article has been translated by machine translation.