Journal
MYCOLOGIA
Volume 112, Issue 6, Pages 1240-1262Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/00275514.2020.1778375
Keywords
Ectosymbionts; Ophiostomatales; Pinaceae; subcortical beetles; 7 new taxa
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Funding
- Ministry of Science and Higher Education of the Republic of Poland
- Norwegian Biodiversity Information Centre
- Norwegian Institute for Bioeconomy
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During surveys of insect-associated mycobiomes in Norway, Poland, and Russia, isolates with affinity toGraphilbum(Ophiostomatales, Ascomycota) were recovered. In this study, eight knownGraphilbumspecies as well as the newly collected isolates were compared based on morphology and DNA sequence data for four gene regions. The results revealed seven new species, described here asG. acuminatum, G. carpaticum, G. curvidentis, G. furuicola, G. gorcense, G. interstitiale, andG. sexdentatum. In addition to these species,G. crescericumandG. sparsumwere commonly found in Norway. All new species were recovered from conifers in association with bark beetles, cerambycid beetles, and weevils and were morphologically similar, predominantly with pesotum-like asexual morphs. Where sexual morphs were present, these were small ascomata with short necks and rod-shaped ascospores having hyaline sheaths. The results suggest thatGraphilbumspecies are common members of the Ophiostomatales in conifer ecosystems.
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