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CONNECTION BETWEEN CALAMITY IN BEECH STANDS BY Rhynchaenus fagi L. (Coleoptera, Curculinidae), EXCESSIVE OF SPRUCE BARK BEETLES SPECIES POPULATIONS AND THE ABSENCE OF POSSIBILITY TO PROTECT THE RARE EPIPHYTIC LICHENS: EVIDENCE FROM THE MOUNTAIN SLOPES FORESTS – NP KOPAONIK IN 2024
Gagić-Serdar, Renata
Marković, Miroslava
Mitrović, Suzana
Rakonjac, Ljubinko
Konatar, Bojan
Abstract: The supplementary feeding of Rynchaenus fagi (Illiger, 1798), taxa with syn. or previously included within the genus Orchestes, as Orchestes fagi (L.) or beech miner's weevil lasted much longer this season and started earlier, even to 6 weeks. Due to the exceptional abundantion of it this season and with the ever-present meteo-climatic crisis this summer, it seems that in the end, the beech trees were damaged by 4 instead of two, both ones – per two adult and larval generations. The assumption is that the second generation of larvae appeared, so in addition to the much earlier appearance of the first, there is also a second this year due to the almost Mediterranean climate in areas where mountain summer normally starts late (in July) and ends quickly. Ever since the adults has been active and has been receiving supplementary feeding, all the time since the start of the growing season, it has created a picture and impression that the damage caused by this pest in the year 2024 is extremely strong and visible in many areas in Serbia where beech is widespread. Everything was affected, the chain of damages occurred (linking with three spruce bark beetles high abundation on Kopaonik from previous period) and all had been intensely reflected on even lichen diversity - as an indicator of the state of the environment, in the most negative sense. This the subject of our research and intervention this summer, results are present in paper here.
engleski
2024
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Keywords: Rynchaenus, Adults weevil, Larvae, Abundantion, Kopaonik, Lichens