A new species of Ophiostoma with a Leptographium anamorph from Larch in Japan

Westhuizen, K. van der; Wingfield, M.J.; Yamaoka, Yuichi; Kemp, Gabré; Crous, Pedro W.

doi:10.1016/s0953-7562(09)81217-3

Cited by 24 publications

(15 citation statements)

References 21 publications

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“…The fungi isolated in this study are similar to those previously recorded from Japanese beetles (Westhuizen et al, 1995;Yamaoka et al, 1998). There are, however, differences between the fungal assemblages associated with the two beetle populations.…”

Section: Ophiostoma Bicolorsupporting

confidence: 83%

“…There are, however, differences between the fungal assemblages associated with the two beetle populations. C. minuta, C. laricicola, O. brunneo-ciliatum, O. piceae and presmably also Ophiostoma sp., a hitherto unde scribed species, that resembles O. europhioides (Wright & Cain) Solheim, are associated with both European and Japanese I. cembrae (Westhuizen et al, 1995;Yamaoka et al, 1998). O. bicolor was rarely associated with Euro pean and never with Japanese beetles.…”

Section: Ophiostoma Bicolormentioning

confidence: 95%

“…and the Graphium sp., two important ele ments of the mycobiota of I. cembrae in Europe, are not associated with this insect in Japan (Yamaoka et al, 1998). Ophiostoma laricis, described by Westhuizen et al (1995), was commonly associated with I. cembrae in Japan (Yamaoka et al, 1998), but not in Europe.…”

Section: Ophiostoma Bicolormentioning

confidence: 97%

“…), host trees and collectors of the larch bark beetles used in this study -see also Fig. 1 laricicola, are associated with I. cembrae (Westhuizen et al, 1995;Yamaoka et al, 1998). There are no studies on the fungi associated with I. cembrae in continental Europe, where the insect is native.…”

Section: Introductionmentioning

confidence: 95%

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Phylogenetic relationships between the European and Asian eight spined larch bark beetle populations (Coleoptera, Scolytidae) inferred from DNA sequences and fungal associates

Stauffer¹,

Kirisits²,

Nussbaumer³

et al. 2001

Eur. J. Entomol.

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Abstract. The eight spined larch bark beetles infest various species of Larix in Europe and Asia. Ips cembrae is the only Ips species with larch as its main host. Ips subelongatus, Ips fallax, Ips shinanonensis and Ips cembrae var. engadinensis are treated as syno nyms of I. cembrae. These three putative species and the one variety are distinguished by their host tree and geographic distribution, as it is not possible to distinguish them on the basis of morphological differences. Beetles were collected from European and Asian populations, and from hosts and geographic areas where the species were first found and described and in their natural ranges of dis tribution. These beetles were used to study the phylogenetic relationships of the eight spined larch bark beetles. A region of the mito chondrial gene was analysed and the blue-stain fungi associated with I. cembrae in Europe were investigated and compared with those recorded as associated with the larch bark beetle in Japan. Only minor sequence differences were detected between the popula tions in Europe and Asia. However, the European populations differed by 4.3% from the Asian populations. The phylogenetic analysis placed the European and Asian haplotypes in significantly distinct clusters. This distinction was supported by the finding of an insertion/deletion in a non-coding region of the mitochondrial DNA. Furthermore, there are differences in the fungi associated with the eight spined larch bark beetles in Europe and Japan. The results suggest that the I. cembrae complex contains at least two taxa: I. cembrae infesting larch in Europe and I. subelongatus infesting larch in Asia.

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Section: Ophiostoma Bicolorsupporting

confidence: 83%

Section: Ophiostoma Bicolormentioning

confidence: 95%

Section: Ophiostoma Bicolormentioning

confidence: 97%

Section: Introductionmentioning

confidence: 95%

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Phylogenetic relationships between the European and Asian eight spined larch bark beetle populations (Coleoptera, Scolytidae) inferred from DNA sequences and fungal associates

Stauffer¹,

Kirisits²,

Nussbaumer³

et al. 2001

Eur. J. Entomol.

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“…The sheathed ascospores and synnematous anamorph of this species (Davidson 1971;Upadhyay 1981;Mouton et al 1992) closely resemble those of species such as G. olivacea (Mathiesen 1951), G. sagmatospora (Wright andCain 1961), G. davidsonii (Olchowecki andReid 1974) and G. cucullata (Solheim 1986), supporting the new combination provided here. (Zipfel et al 2006).…”

Section: Dna Sequence Analysessupporting

confidence: 73%

Grosmannia and Leptographium spp. associated with conifer-infesting bark beetles in Finland and Russia, including Leptographium taigense sp. nov.

Linnakoski

Beer

Duong

et al. 2012

Antonie van Leeuwenhoek

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Species of Grosmannia with Leptographium anamorphs include important forest pathogens and agents of blue stain in timber. They are commonly found in association with forest pests, such as bark beetles. During a survey of ophiostomatoid fungi in eastern parts of Finland and neighboring Russia, species belonging to the genus Grosmannia were isolated from 12 different bark beetle species infesting Picea abies and Pinus sylvestris, the most economically important conifers in the region. Identification of these fungi was based on morphology, DNA sequence comparisons for three gene regions and phylogenetic analyses. A total of ten taxa were identified. These belonged to six different species complexes in Grosmannia. The phylogenetic analyses provided an opportunity to redefine the G. galeiformis-, L. procerum-, L. lundbergii-, G. piceiperda-, G. olivacea- and G. penicillata-complexes, and to consider the species emerging from the survey within the context of these complexes. The species included G. galeiformis, G. olivacea, L. chlamydatum, L. lundbergii, L. truncatum and a novel taxon, described here as L. taigense sp. nov. In addition, species closely related to G. cucullata, G. olivaceapini comb. nov., G. piceiperda and L. procerum were isolated but their identity could not be resolved. The overall results indicate that the diversity of Grosmannia species in the boreal forests remains poorly understood and that further studies are needed to clarify the status of several species or species complexes.

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Ophiostomatoid fungi associated with Ips cembrae in Japan and their pathogenicity to Japanese larch

et al. 1998

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Six ophiostomatoid fungi, i.e., Ceratocystiopsis minuta, Ceratocystis laricicola, Ophiostoma brunneo-ciliatum, O. laricis, O. piceae and Ophiostoma sp., were isolated from the galleries of Ips cembrae on Japanese larch (Larix kaempfer/) logs in central Honshu, Japan. Japanese larch trees approximately 30 yr old were inoculated with all six fungi. Ceratocystis laricicola produced the largest lesions on the inner bark around the inoculation point and the largest dry zone in the sapwood. Furthermore, C. laricicola was the only fungus associated with I. cembrae that had the ability to kill Japanese larch, death occurring in 30-yr-old trees within 3.5 mo after inoculation.

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A new species of Ophiostoma with a Leptographium anamorph from Larch in Japan

Cited by 24 publications

References 21 publications

Phylogenetic relationships between the European and Asian eight spined larch bark beetle populations (Coleoptera, Scolytidae) inferred from DNA sequences and fungal associates

Phylogenetic relationships between the European and Asian eight spined larch bark beetle populations (Coleoptera, Scolytidae) inferred from DNA sequences and fungal associates

Grosmannia and Leptographium spp. associated with conifer-infesting bark beetles in Finland and Russia, including Leptographium taigense sp. nov.

Ophiostomatoid fungi associated with Ips cembrae in Japan and their pathogenicity to Japanese larch

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