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Mycoscience

, Volume 43, Issue 3, pp 0255–0260 | Cite as

Raffaelea quercivora sp. nov. associated with mass mortality of Japanese oak, and the ambrosia beetle (Platypus quercivorus)

  • T. Kubono
  • S. Ito
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Abstract

 A hyphomycete consistently isolated from dead oak trees (Quercus serrata and Q. mongolica var. grosseserrata) attacked by the ambrosia beetle Platypus quercivorus in Japan is described and illustrated as Raffaelea quercivora sp. nov. The new species is characterized by having small obovoid to pyriform sympodioconidia and slender, long conidiophores that taper to a point. The fungus has been isolated from the body surfaces and mycangia of the beetle. It is likely that the fungus was transferred to oak trees by P. quercivorus.

Key words Hyphomycetes Platypus quercivorus Quercus mongolica var. grosseserrata Quercus serrata Raffaelea quercivora sp. nov. 

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Copyright information

© The Mycological Society of Japan and Springer-Verlag Tokyo 2002

Authors and Affiliations

  • T. Kubono
    • 1
  • S. Ito
    • 2
  1. 1.Tohoku Research Center, Forestry and Forest Products Research Institute, Shimo-kuriyagawa, Morioka, Iwate 020-0123, Japan Tel. +81-19-648-3961; Fax +81-19-641-6747 e-mail: kubono@ffpri.affrc.go.jpJP
  2. 2.Laboratory of Forest Pathology and Mycology, Faculty of Bioresources, Mie University, Tsu, JapanJP

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