Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands
Seven Hylobius species are known from Siberia, while the occurrence of three of them is doubtful. Information available about the supplementary feeding of adult weevils is reviewed. It is likely that H. abietis and H. albosparsus are the only species of economic significance in this territory. In th...
Published in: | Entomologica Fennica |
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Format: | Article in Journal/Newspaper |
Language: | English |
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This journal is published jointly by the Entomological Society of Finland, the Lepidopterological Society of Finland, the Societas Entomologica Helsingforsiensis and the Entomological Club of the Zoological and Botanical Society of Turku.
2000
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Online Access: | https://journal.fi/entomolfennica/article/view/84045 https://doi.org/10.33338/ef.84045 |
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fttsvojs:oai:journal.fi:article/84045 2023-05-15T18:30:47+02:00 Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands Gourov, Andrei 2000-01-01 application/pdf https://journal.fi/entomolfennica/article/view/84045 https://doi.org/10.33338/ef.84045 eng eng This journal is published jointly by the Entomological Society of Finland, the Lepidopterological Society of Finland, the Societas Entomologica Helsingforsiensis and the Entomological Club of the Zoological and Botanical Society of Turku. https://journal.fi/entomolfennica/article/view/84045/43145 https://journal.fi/entomolfennica/article/view/84045 doi:10.33338/ef.84045 Copyright (c) 2019 Entomologica Fennica Entomologica Fennica; Vol 11 No 1 (2000); 57-66 Entomologica Fennica; Vol 11 Nro 1 (2000); 57-66 2489-4966 0785-8760 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Peer-reviewed article 2000 fttsvojs https://doi.org/10.33338/ef.84045 2020-05-29T21:27:43Z Seven Hylobius species are known from Siberia, while the occurrence of three of them is doubtful. Information available about the supplementary feeding of adult weevils is reviewed. It is likely that H. abietis and H. albosparsus are the only species of economic significance in this territory. In the northern forest-steppe zone, adult weevils usually prefer to feed separately on isolated or border young trees under the canopy of light Scots pine stands, but avoid the undercanopy regeneration in the dense stands. In the southern taiga zone, adults are abundant on cutover areas where they feed in clumps of young regeneration. In fresh clearcuts, up to 100% of juvenile trees may be damaged by the feeding of weevils, whereas the damage intensity declines sharply with the distance to the clearcut. An edge effect in the distribution of adult weevils needs verification and, probably, is time-dependent. Inside the stands, the crowns of mature trees may constitute an additional food niche for adults if the usual sources and preferred environmental conditions are not available. Article in Journal/Newspaper taiga Siberia Federation of Finnish Learned Societies: Scientific Journals Online Entomologica Fennica 11 1 57 66 |
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Open Polar |
collection |
Federation of Finnish Learned Societies: Scientific Journals Online |
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fttsvojs |
language |
English |
description |
Seven Hylobius species are known from Siberia, while the occurrence of three of them is doubtful. Information available about the supplementary feeding of adult weevils is reviewed. It is likely that H. abietis and H. albosparsus are the only species of economic significance in this territory. In the northern forest-steppe zone, adult weevils usually prefer to feed separately on isolated or border young trees under the canopy of light Scots pine stands, but avoid the undercanopy regeneration in the dense stands. In the southern taiga zone, adults are abundant on cutover areas where they feed in clumps of young regeneration. In fresh clearcuts, up to 100% of juvenile trees may be damaged by the feeding of weevils, whereas the damage intensity declines sharply with the distance to the clearcut. An edge effect in the distribution of adult weevils needs verification and, probably, is time-dependent. Inside the stands, the crowns of mature trees may constitute an additional food niche for adults if the usual sources and preferred environmental conditions are not available. |
format |
Article in Journal/Newspaper |
author |
Gourov, Andrei |
spellingShingle |
Gourov, Andrei Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands |
author_facet |
Gourov, Andrei |
author_sort |
Gourov, Andrei |
title |
Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands |
title_short |
Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands |
title_full |
Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands |
title_fullStr |
Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands |
title_full_unstemmed |
Hylobius species (Coleoptera: Curculionidae) from Siberia and the distribution patterns of adults feeding in Scots pine stands |
title_sort |
hylobius species (coleoptera: curculionidae) from siberia and the distribution patterns of adults feeding in scots pine stands |
publisher |
This journal is published jointly by the Entomological Society of Finland, the Lepidopterological Society of Finland, the Societas Entomologica Helsingforsiensis and the Entomological Club of the Zoological and Botanical Society of Turku. |
publishDate |
2000 |
url |
https://journal.fi/entomolfennica/article/view/84045 https://doi.org/10.33338/ef.84045 |
genre |
taiga Siberia |
genre_facet |
taiga Siberia |
op_source |
Entomologica Fennica; Vol 11 No 1 (2000); 57-66 Entomologica Fennica; Vol 11 Nro 1 (2000); 57-66 2489-4966 0785-8760 |
op_relation |
https://journal.fi/entomolfennica/article/view/84045/43145 https://journal.fi/entomolfennica/article/view/84045 doi:10.33338/ef.84045 |
op_rights |
Copyright (c) 2019 Entomologica Fennica |
op_doi |
https://doi.org/10.33338/ef.84045 |
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Entomologica Fennica |
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11 |
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1 |
container_start_page |
57 |
op_container_end_page |
66 |
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1766214380710526976 |