Notes about Pityootenes chalcootraphus biology in Karelia
https://doi.org/10.69536/o5864-3368-6586-a
Abstract
The article provides the data on the biology of Pityogenes chalcographus Linnaeus, 1761 in Karelia. It outlines the data on the occurrence of P. chalcographus in areas of coniferous plantations with different climatic zones (mid-taiga zone and the Far North). The imagoes were collected with pheromone traps of FGBU “VNIIKR”. The traps were set in several biocenoses – on windfall areas and in coniferous forests (green moss spruce and pine forests) – for 1 growing season. The P. chal cographus density is compared in biocenoses of natural protected areas (Kivach Reserve and Paanajarvi National Park) and forestries. Most P. chalcographus in coniferous biocenoses were noted in the middle taiga zone (Prionezhsky and Pryazhinsky districts), where an average of about 1 thousand individuals get into a trap per season; in the northern regions, the number of captured individuals decreases by 2 times. In the studied forest areas, a low number of P. chalcographus in collections was established, which confirms the control of forest services over the state of forest plantations. On the contrary, windfall areas of natural protected areas are local reserves for the pest. The article indicates the terms of P. chalcographus flight in the territory of the studied region, and provides information on the wintering phases of the pest. The number of captured males and females in traps is approximately equal, which confirms the high sensitivity of the dispenser based on the chalcogran aggregation pheromone for both sexes. This also suggests the possibility of using this pheromone to remove the pest from the population with an integrated control method.
About the Authors
S. N. Lyabzina
Petrozavodsk State University, Petrozavodsk, Republic of Karelia;
Karelia Branch of FGBU “All-Russian Plant Quarantine Center” (FGBU “VNIIKR”)
Russian Federation
Russian Federation
Svetlana N. Lyabzina, Doctor of Biological Sciences, Associate Professor of Petrozavodsk State University, Junior Researcher of the Karelia Branch of FGBU “VNIIKR”
г. Петрозаводск, Республика Карелия, 185910,
г. Петрозаводск, Республика Карелия, 185500
D. P. Zlobin
Petrozavodsk State University, Petrozavodsk, Republic of Karelia
Russian Federation
Russian Federation
Dmitry P. Zlobin, student of Petrozavodsk State University
Petrozavodsk, Republic of Karelia, 185910
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Review
For citations:
Lyabzina S.N., Zlobin D.P. Notes about Pityootenes chalcootraphus biology in Karelia. Plant Health and Quarantine. 2023;(2):62-68. https://doi.org/10.69536/o5864-3368-6586-a
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