Association of the pine-infesting Pissodes species with ophiostomatoid fungi in Poland

Jankowiak, Robert; Bilański, Piotr

doi:10.1007/s10342-013-0693-2

Cited by 19 publications

(12 citation statements)

References 46 publications

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“…Most studies have based identifications on morphology and/or the internal transcribed spacer sequence, which is invariable for most species within the L. procerum species complex (Yin et al ., ). However, recent studies have confirmed the presence of L. procerum in Poland by using sequences of the beta‐tubulin region (Jankowiak & Bilański, , b, c), which is sufficient to differentiate L. procerum from the other fungi in the L. procerum species complex. Additional surveys of ophiostomatalean fungi associated with bark beetles in Asia and North America, as well as population genetics analyses on the currently collected fungi may help clarify the origin of L. procerum associated with D. valens in China.…”

Section: Discussionmentioning

confidence: 99%

Population genetics and symbiont assemblages support opposing invasion scenarios for the red turpentine beetle (Dendroctonus valens)

Taerum

Konečný

Beer

et al. 2016

Biol. J. Linn. Soc.

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Exotic forest insects and their symbionts pose an increasing threat to forest health. This is apparently true for the red turpentine beetle (Dendroctonus valens), which was unintentionally introduced to China, where the beetle has killed millions of healthy native pine trees. Previous population genetics studies that used cytochrome oxidase I as a marker concluded that the source of D. valens in China was western North America. In contrast, surveys of fungi associated with D. valens demonstrated that more fungal species are shared between China and eastern North America than between China and western North America, suggesting that the source population of D. valens could be eastern North America. In this study, we used microsatellite markers to determine population structure of D. valens in North America as well as the source population of the beetle in China. The analyses revealed that four genetically distinct populations (herein named the West, Central, Northeast and Mexico) represent the native range of D. valens. Clustering analyses and a simulation-based approximate Bayesian computation (ABC) approach supported the hypothesis that western North America is the source of the invasive D. valens population. This study provides a demonstration of non-congruence between patterns inferred by studies on population genetics and symbiont assemblages in an invasive bark beetle.

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Section: Discussionmentioning

confidence: 99%

Population genetics and symbiont assemblages support opposing invasion scenarios for the red turpentine beetle (Dendroctonus valens)

Taerum

Konečný

Beer

et al. 2016

Biol. J. Linn. Soc.

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“…() as being found in several different bark beetles infesting pine and spruce trees in Finland, mainly in association with H. brunneu s. Recently, O. pallidulum was also found in the roots of dying and dead young Scots pine (Jankowiak et al. ) and in association with pine regeneration weevils in Poland (Jankowiak and Bilański ,b). These findings may indicate that O. pallidulum is closely associated with the soil environment.…”

Section: Discussionmentioning

confidence: 96%

“…). Additionally, recent Polish studies comparing DNA sequences have indicated that O. quercus is more widespread in P. sylvestris stands than O. piceae (Jankowiak ; Jankowiak and Bilański ,b).…”

Section: Discussionmentioning

confidence: 99%

Ophiostomatoid fungi associated with root‐feeding bark beetles onScots pine inPoland

Jankowiak

Bilański

2013

Forest Pathology

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Ophiostomatoid fungi are known to be associated with various species of bark beetles. However, information about fungal associates of root-feeding bark beetles in Europe is still fragmentary. For this reason, the fungal associates of Hylastes ater, H. opacus and Hylurgus ligniperda on Pinus sylvestris were isolated and identified. A total of 743 fungal isolates were collected and separated into 10 morphological groups. Analyses of ITS rDNA and partial b-tubulin gene sequences confirmed that these groups represented distinct species. The 10 species included a total of 13 associations between fungi and bark beetles that had not been recorded previously. All of the bark beetles examined were frequently associated with ophiostomatoid fungi. The fungal diversity and relative abundance of species were very similar in the three species of root-feeding bark beetles. The most commonly encountered associates of these beetles were Grosmannia radiaticola, Leptographium lundbergii, L. procerum and L. truncatum. Insect infestation data furthermore suggest that Hylastes spp. and Hg. ligniperda are also important vectors of the fungal pathogen Sphaeropsis sapinea.

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“…subglutinans), Cronaritium flaccidum and several species of Ophiostoma, and their possible role in transmitting these diseases (Blakeslee et al, 1981;Coutinho et al, 2007;Jankowiak & Bilański, 2013;Lewis & Alexander, 1986). The establishment of the pitch canker fungus, F. circinatum, in nurseries, established and mature Pinus plantations in South Africa (Coutinho et al, 2007;Mitchell et al, 2011;Wingfield et al, 2008) and its presence in South America (Wingfield et al, 2008), undoubtedly increases the importance of these two invasive Pissodes spp.…”

Section: Genetic Structure Of the Pissodes Species In South Africamentioning

confidence: 99%

“…Members of the genus Pissodes Germar pose significant threats to their conifer hosts directly through feeding damage (Alfaro et al, 1994) and indirectly via their involvement in the transmission of forest pathogenic fungi (Jankowiak & Bilański, 2013). All members of this genus are native to the northern hemisphere (Zhang, 2007), with species such as Pissodes strobi (Peck), P. terminalis Hopping, P. piniphilus (Herbst), P. yunnanensis Langor and Zhang, P. punctatus Langor and Zhang, P. nitidus Roelofs, P. nemorensis Germar and P. castaneus (De Geer) causing significant economic loss (Alfaro & Ying, 1990;Craighead, 1950).…”

Section: Introductionmentioning

confidence: 99%

Identification and genetic diversity of two invasive Pissodes spp. Germar (Coleoptera: Curculionidae) in their introduced range in the southern hemisphere

et al. 2016

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Department, Uruguay) are acknowledged for providing dead insect specimens. We also thank the two anonymous reviewers for their constructive suggestions and comments. AbstractDuring the first half of the twentieth century, two accidental cases of introduction of Pissodes weevils were recorded from the southern hemisphere. The weevils in South Africa were identified as the deodar weevil (Pissodes nemorensis) and those in South America as the small banded pine weevil (Pissodes castaneus). Wide distribution of the two species in their invasive range, general difficulty in identifying some Pissodes spp., and the varying feeding and breeding behaviours of the species in South Africa has necessitated better evidence of 1 species identity and genetic diversity of both species and population structure of the species in South Africa.Barcoding and the Jerry-to-Pat region of the COI gene were investigated. Morphometric data of the South African species was analysed. Our results confirmed the introduction of only one Pissodes species of North American origin to South Africa. However, this species is not P. nemorensis, but an unrecognized species of the P. strobi complex or a hybrid between P. strobi and P. nemorensis. Only P. castaneus, of European origin, was identified from South America. We identified ten mitochondrial DNA haplotypes from South Africa with evidence of moderate genetic structure among geographic populations. Terminal leader and bole-feeding weevils did not differ at the COI locus. A single haplotype was identified from populations of P. castaneus in South America. Results of the present study will have implications on quarantine, research and management of these insect species.

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Association of the pine-infesting Pissodes species with ophiostomatoid fungi in Poland

Cited by 19 publications

References 46 publications

Population genetics and symbiont assemblages support opposing invasion scenarios for the red turpentine beetle (Dendroctonus valens)

Population genetics and symbiont assemblages support opposing invasion scenarios for the red turpentine beetle (Dendroctonus valens)

Ophiostomatoid fungi associated with root‐feeding bark beetles onScots pine inPoland

Identification and genetic diversity of two invasive Pissodes spp. Germar (Coleoptera: Curculionidae) in their introduced range in the southern hemisphere

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