Differential Host Residence of Adult Cryptomeria Bark Borer, Semanotus japonicus Lacordaire (Coleoptera: Cerambycidae), in Relation to Tree Size of Japanese Cedar, Cryptomeria japonica D. Don

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概要

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• To understand factors involved in tree-size dependent vulnerability of Cryptomeria japonica to damage by Semanotus japonictis, residence of adult Semanotus japonicus on host trees was assessed in two Cryptomeria japonica stands, using band trap method and mark-recapture techniques. Adult capture distributions among trees were analyzed in relation to diameter size of each tree. Female adults consistently exhibited more frequent residence on larger trees. under different field conditions. Females that made inter-tree movements preferentially chose larger trees as their destinations. Frequent residence by females on large trees was associated with high productivity of progeny adults. Male adults were also more frequently resident on larger trees. These results suggest that tree-size dependent oviposition accounts for the tree-size dependent vulnerability of Cryptomeria japonk;a to damage by Semanotus japonicus. Possible causes underlying the differential host residence of adult Semanotus japonicus are discussed.

• 日本森林学会の論文
• 1999-05-16

著者

• Ito Kensuke

  Kyushu Research Center Forestry And Forest Products Research Institute:graduate School Of Bioagricul

関連論文

• Differential Host Residence of Adult Cryptomeria Bark Borer, Semanotus japonicus Lacordaire (Coleoptera: Cerambycidae), in Relation to Tree Size of Japanese Cedar, Cryptomeria japonica D. Don

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