FEATURES OF SPREAD OF IPS ACUMINATUS GYLL. IN PINE STANDS OF EASTERN POLISSYA
ARTICLE PDF (Українська)

Keywords

: Scots pine, drying, Ips acuminatus, sanitation felling

How to Cite

Porohnyach, I. V. (2018). FEATURES OF SPREAD OF IPS ACUMINATUS GYLL. IN PINE STANDS OF EASTERN POLISSYA. Forestry and Forest Melioration, (133), 136-141. https://doi.org/10.33220/1026-3365.133.2018.136

Abstract

In recent years in pine stands of Eastern Polissya there is a group drying of trees by the top type. In the foci of drying, Ips acuminatus predominantly colonizes the trees resulting in a rapid loss of their vitality. The insects develop under thin bark of the top stem part, mainly focusing on a relative height of 0.5–0.8. Production of bark beetle in populated area reaches 100 specimens per dm2 of surface. In the winter period Ips acuminatus can survive at the stage of a larva or imago in the area of the transitional bark at a relative height of the tree of 0.2–0.5. The removal of freshly colonized pine trees in the foci of drying by sanitation felling in the autumn-winter period is an effective method for reducing the number of bark beetles before the beginning of its swarming and colonizing trees in the spring.

https://doi.org/10.33220/1026-3365.133.2018.136
ARTICLE PDF (Українська)