Biodiversity & Conservation

, Volume 9, Issue 6, pp 833–852 | Cite as

Diversity of coleoptera of the bracket fungus Fomitopsis pinicola in a Norwegian spruce forest

  • Karl H. Thunes
  • Fred Midtgaard
  • Ivar Gjerde


The beetle fauna of 299 sporocarps of the bracket fungus Fomitopsis pinicola in a 200 ha spruce forest in southeastern Norway was investigated in relation to sporocarp, tree and forest variables. The sporocarps contained 36 species of beetles, of which six species are on the Norwegian Red List. Of 12,373 individual beetles collected, 91% were Cis glabratus. Plots of species accumulation curves suggested that there may be more than 60 beetle species present in F. pinicola in the area, but that probably all the specialist Ciidae were found. The major factor influencing beetle diversity turned out to be the level of dead wood at and in the vicinity of the sampling site, with a higher number of species per unit volume of sporocarps in areas with high levels of dead wood. There were also significantly more red-listed species in those areas. Analysing the species occurrence with stepwise logistic regression, we show preferential habitat selection of the six most abundant species of Ciidae. Conservation of beetles associated with bracket fungi using amount of dead wood as a surrogate measurement is discussed.

coleoptera dead wood eastern Norway Fomitopsis pinicola species diversity 


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Copyright information

© Kluwer Academic Publishers 2000

Authors and Affiliations

  • Karl H. Thunes
    • 1
  • Fred Midtgaard
    • 2
  • Ivar Gjerde
    • 1
  1. 1.Norwegian Forest Research InstituteFanaNorway
  2. 2.Norwegian Forest Research InstituteNorway

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