Outbreak of Ivela auripes (Lepidoptera, Lymantridae) and its arboreal predator Dendroxena sexcarinata (Coleoptera, Silphidae)

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  • SUGIURA Shinji
    Department of Forest Entomology, Forestry and Forest Products Research Institute (FFPRI)
  • YAMAZAKI Kazuo
    Osaka City Institute of Public Health and Environmental Sciences

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Other Title
  • キアシドクガの大発生とその捕食者であるヨツボシヒラタシデムシ

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Description

We report an outbreak of Ivela auripes (Butler) (Lepidoptera, Lymantridae) in early May 2004 in a secondary forest of Hiraoka Park, Higashiosaka City, Osaka Prefecture, central Japan. The larvae consumed almost all of the leaves of their host tree Cornus macrophylla (Cornaceae) in the forest. We also found an adult of an arboreal predator, Dendroxena sexcarinata (Motschulsky) (Coleoptera, Silphidae), preying on an 7. auripes larva. We describe the life history of D. sexcarinata, which overwinters in the adult stage, and its adult feeding activity in early summer when lepidopteran larvae are abundant.

Journal

  • Lepidoptera Science

    Lepidoptera Science 58 (1), 40-42, 2007

    THE LEPIDOPTEROLOGICAL SOCIETY OF JAPAN

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