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Based on literature review, the occurrence and biology of the sharp−dentated bark beetle Ips acuminatus (Gyll.) in Scots pine stands of Europe was presented. The economic significance of this species in Poland over the past 50 years was also characterized, including the size of the damage caused as a result of trees infestation. The sharp−dentated bark beetle belongs to the most dangerous pest of...
Celem pracy jest wyróżnienie jednorodnych grup rozkładów żerowisk jodłowca kolcozębnego Pityokteines spinidens Reitt. oraz ocena przydatności pojedynczego rozkładu gamma i mieszanego modelu, złożonego z dwóch lub trzech rozkładów składowych gamma, do modelowania rzeczywistych rozkładów jodłowca kolcozębnego na wiatrowałach jodły Abies alba Mill. Badania przeprowadzono w zbliżonych do naturalnych lasach...
Korniki: drzewotocz japoński - Xylosandrus germanus (Bldf.), drwalniczek – Xyleborinus attenuatus (Bldf.), drwalnik – Trypodendron laeve i Gnathotrichus materiarius (Fitch) Egg. (Coleoptera, Curculionidae, Scolytinae) to obce gatunki w faunie Polski. Drzewotocz japoński Xylosandrus germanus jest też gatunkiem inwazyjnym, który znany jest z 11 stanowisk w prawie całym kraju. Liczebność tego gatunku...
The aim of the study was to determine the effect of temperature and humidity on colonization of cambio− −xylophagous insects on Norway spruce branches in relation to the place and method of slash utilization. Analyzed branches were infested by eight species of cambiophagous and two species of cambioxylophagous, whereas the material utilization method does not substantially influence the entomofauna...
Based on the author's own observations, the literature data and oral communications, the information was presented about the distribution and ecology of Rosalia alpina (L.) in the area of the Forest Division of Łosie (the Carpathians, SE Poland), located within the Regional Directorate of State Forests in Cracow. Threats and proposals were presented regarding the protection of the species in the studied...
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