Presence and dynamics of ambrosia beetles and other xylophagous insects in a Mediterranean cork oak forest following fire

Catry, Filipe X.; Branco, Manuela; Sousa, Edmundo; Caetano, Jéssica; Naves, Pedro; Nóbrega, Filomena

doi:10.1016/j.foreco.2017.08.029

Cited by 27 publications

(43 citation statements)

References 33 publications

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“…They are part of montado , a multifunctional agro-forestry-pastoral system that is classified as a High Nature Value Farming System by the European Environmental Agency (Pinto-Correira et al., 2011) and listed in the Habitats Directive as conservation value habitats (Catry et al., 2012). However, this ecosystem is threatened by biotic and abiotic factors such as insect pests and wildfires (Catry et al., 2017). The importance of differing genetic resources for improving sustainability of cork oak forests is stressed and a multi-locality provenance trial started in 1998, as part of the European EUFORGEN Network (Almeida et al., 2005).…”

Section: Introductionmentioning

confidence: 99%

Chemical characterization of cork, phloem and wood from different Quercus suber provenances and trees

Costa

Lourenço

Oliveira

et al. 2019

Heliyon

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Sustainability of cork oak (Quercus suber) forests is threatened by biotic and abiotic factors and characterization of potentially differing genetic resources has therefore gained importance. This work addresses the chemical variation of the three tissues of cork oak stems – cork, phloem and wood – in relation to tree and provenance, looking for genetic chemical diversity and for physiological derived differences. The three tissues differ with cork clearly differentiating regarding summative composition, component ratios and monomeric composition. Cork is the only tissue where suberin is present (42.3% o.d. mass) as the main cell wall component, and it has a high content of extractives (11.7%) with significant proportion of lipophilic compounds. Phloem is more lignified than wood (38.0% vs. 23.4%) and has less polysaccharides (49.1% vs. 64.6%) with glucose-to-other sugars relation of 1:1.3 in phloem and 1:0.7 in wood. Analytical pyrolysis showed that lignification is a heterogeneous process and the lignin monomeric composition depends on tissue and cell type: cork lignin has a H:G:S ratio of 1:2.5:0.3 and S/G ratio of 0.12, while phloem and wood lignins have mainly G and S units with a S/G ratio of respectively 1.1 and 2.3. No significant differences were found between the three provenances, but some chemical variation occurred between the trees within a provenance. NIR spectroscopy and principal component analysis differentiated cork, phloem and wood, while the dispersion within each group highlighted the significant tree variability, while provenances were a non-significant factor of chemical variation.

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Section: Introductionmentioning

confidence: 99%

Chemical characterization of cork, phloem and wood from different Quercus suber provenances and trees

Costa

Lourenço

Oliveira

et al. 2019

Heliyon

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“…Genomic DNA was extracted using the DNeasy Blood & Tissue Kit (Qiagen) following manufacturer's instructions. PCR amplification of the COI gene was carried out as described in detail in Catry et al (). Thermal cycling conditions were as follows: denaturation temperature of 94°C for 2 min, an annealing temperature of 50°C for 1 min and an elongation temperature of 72°C for 1 min for a total of 35 cycles, followed by a final extension for 10 min at 72°C.…”

Section: Methodsmentioning

confidence: 99%

Ambrosiodmus rubricollis (Eichhoff) (Coleoptera; Curculionidae; Scolytinae) associated with young Tasmanian blue gum trees

Naves

Bragança

Nóbrega

et al. 2019

J Applied Entomology

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Eucalypts are among the most widely planted forest trees in the world, and outside their native Australian range, the main arthropod pests are sap‐sucking insects, defoliators, gall‐making insects and xylophagous beetles. We report on a new association between a polyphagous wood‐boring beetle and Tasmanian blue gum (Eucalyptus globulus Labill.) in Central Portugal. Unidentified wood‐boring insects were found attacking two three‐year‐old E. globulus trees showing signs of decline among otherwise healthy trees in a commercial plantation, in June 2018. Declining trees presented dead twigs and branches, and recently developed epicormic sprouts evident on the trunks. Insects emerging from logs were identified as Ambrosiodmus rubricollis (Eichhoff), a species native to eastern and southern Asia, with the taxonomic identification validated by molecular analysis. To our knowledge, this is the first record of A. rubricollis associated with a eucalypt species worldwide. It is not clear whether the beetles played any significant role on the decline of the trees, but Ambrosiodmus may be potential pests for several tree and shrub species in Europe, as these beetles can transport pathogenic fungi.

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“…() used pheromone traps to sample for 150 days between early May and late September around ports in Italy, Catry et al . () sampled from late April until mid‐November to study ambrosia beetles and other xylophagous insect activity in a Portuguese cork‐oak forest following a fire, and Akinci & Aksu () sampled from late April until late September in order to study the local spread of Ips typographus in Northeast Turkey.…”

Section: Sampling and Inspection Proceduresmentioning

confidence: 99%

PM 3/87 (1) Monitoring and consignment inspection of wood chips, hogwood and bark for quarantine pests

2019

EPPO Bulletin

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Specific scope The aim of this Standard is to provide guidance on the inspection of consignments of imported wood chips, hogwood and bark for quarantine pests and monitoring of sites where these materials are imported. The Standard covers these commodities for all tree species. The Standard does not cover the inspection of highly processed wood materials (e.g. wood pellets), wood packaging materials, shavings or sawdust. Firewood is also not covered by this Standard, and EPPO recommends that firewood should be regulated as round wood. Specific approval and amendment Approved as an EPPO Standard in 2019–09.

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Presence and dynamics of ambrosia beetles and other xylophagous insects in a Mediterranean cork oak forest following fire

Cited by 27 publications

References 33 publications

Chemical characterization of cork, phloem and wood from different Quercus suber provenances and trees

Chemical characterization of cork, phloem and wood from different Quercus suber provenances and trees

Ambrosiodmus rubricollis (Eichhoff) (Coleoptera; Curculionidae; Scolytinae) associated with young Tasmanian blue gum trees

PM 3/87 (1) Monitoring and consignment inspection of wood chips, hogwood and bark for quarantine pests

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