Ophiostomatoid fungi associated with the northern spruce engraver, Ips perturbatus, in western Canada

Sepideh Massoumi Alamouti, Jae Jin Kim, Leland M. Humble, Adnan Uzunovic, Colette Breuil

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)


A number of ophiostomatoid fungi were isolated from the spruce-infesting bark beetle, Ips perturbatus and its galleries collected from felled spruce trees and logs in northern BC and the Yukon Territory. Isolates were identified to species using morphological characteristics, nuclear ribosomal DNA and partial β-tubulin gene sequences. Thirteen morphological and phylogenetic species were identified among the isolates. Leptographium fruticetum, Leptographium abietinum, Ophiostoma bicolor, Ophiostoma manitobense, O. piceaperdum, and eight undescribed species of the genus Ophiostoma and the anamorph genera Leptographium, Hyalorhinocladiella, Ambrosiella and Graphium. A number of these species, i.e. L. fruticetum, Hyalorhinocladiella sp. 2, O. bicolor and O. manitobense, were isolated repeatedly from I. perturbatus, while others, i.e. Graphium sp. 1 and O. piceaperdum, seemed to be sporadic associates. Among all the isolates, L. fruticetum had the highest relative dominance in this survey. A high frequency of occurrence of this species with the beetle may indicate a specific relationship between the two partners.

Original languageEnglish
Pages (from-to)19-34
Number of pages16
JournalAntonie van Leeuwenhoek, International Journal of General and Molecular Microbiology
Issue number1
Publication statusPublished - 2007 Jan
Externally publishedYes


  • Ips perturbatus
  • Ophiostomatoid fungi
  • Spruce
  • rDNA
  • β-tubulin

ASJC Scopus subject areas

  • Microbiology
  • Molecular Biology


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