, Volume 41, Issue 6, pp 595–606 | Cite as

NewLeptographium species from Indonesia and Eastern North America

  • Karin Jacobs
  • Michael J. Wingfield
  • Dale R. Bergdahl
Original Papers


Leptographium species have predominantly been described from North America, Canada and Europe. These fungi generally occur on conifers and many cause blue-stain of lumber. MostLeptographium species are also associated with insects and in particular, bark beetles (Coleoptera: Scolytidae). Recently, an unknown species ofLeptographium was isolated from pine infested with anIps sp. in Indonesia. In addition, two unknown species have been collected from red spruce (Picea rubra) and balsam fir (Abies balsamea) roots from high elevation sites in Eastern North America. The latter isolates are unusual in that they are associated with the feeding wounds made by the conifer swift mothKorscheltellus gracilus (Lepidoptera: Hepialidae), which is a habitat unique for species ofLeptographium. Comparison with knownLeptographium species has revealed that the isolates from Indonesia and those from Eastern North America represent three previously undescribed taxa. They are, therefore, described in this study asL. pineti sp. nov,L. abieticolens sp. nov. andL. peucophilum sp. nov.

Key Words

conifer swift moth conifers Ips Leptographium 


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Copyright information

© The Mycological Society of Japan 2000

Authors and Affiliations

  • Karin Jacobs
    • 1
  • Michael J. Wingfield
    • 1
  • Dale R. Bergdahl
    • 2
  1. 1.Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI)University of PretoriaPretoriaRepublic of South Africa
  2. 2.Department of Forestry, School of Natural ResourcesUniversity of VermontBurlingtonUSA

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