Results 31 to 40 of about 148,023 (223)
A dynamical model for bark beetle outbreaks [PDF]
Journal of Theoretical Biology, 2016 Tree-killing bark beetles are major disturbance agents affecting coniferous forest ecosystems. The role of environmental conditions on driving beetle outbreaks is becoming increasingly important as global climatic change alters environmental factors, such as drought stress, that, in turn, govern tree resistance.
Křivan, Vlastimil +5 more
openaire +3 more sources
Population dynamics of tree-killing bark beetles [PDF]
, 2010 During outbreak periods, the European spruce bark beetle and the North American mountain pine beetle are able to kill millions of coniferous trees. Throughout the 20th century, six outbreaks have occurred in Sweden and four in British Columbia, with ...
Kärvemo, Simon
core +1 more source
No evidence of coconut stem bleeding disease transmission by bark beetles in Brazil
Ciência Rural, 2018 : Stem bleeding disease, caused by the fungus Thielaviopsis paradoxa is one of the most important diseases of coconut palm Cocos nucifera worldwide and some insect species have been found in association with T. paradoxa infected coconut palms.
Elio Cesar Guzzo +4 more
doaj +1 more source
Journal of Asia-Pacific Biodiversity, 2018 The bark beetles (Coleoptera: Curculionidae: Scolytinae) are widely recognized as one of the most damaging groups of forest pests. The present article documents the insect predators associated with bark beetles infesting blue pine, Pinus wallichiana A. B.
Abdul Lateef Khanday +4 more
doaj +1 more source
2-methyl-3-buten-2-ol: a pheromone component of conifer bark beetles found in the bark of nonhost deciduous trees [PDF]
, 2012 Volatiles from bark of aspen,Populus tremulaL. and two species of birch: silver birch (Betula pendulaRoth.) and common birch (B. pubescensEhrh.), were collected by direct solvent extraction and aeration of both newly cut bark chips and undamaged stems in
Qing-He Zhang +8 more
core +1 more source
The conservation of saproxylic beetles in boreal forest [PDF]
, 2006 Forest management has altered the age structure, tree species composition and dead wood availability of Swedish boreal forests. As a consequence, many saproxylic (wood living) insect species have decreased in abundance and many species are threatened ...
Johansson, Therese
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PLoS ONE, 2022 This protocol describes the different methods to collect and preserve bark and ambrosia beetles, detailing collecting tools, recording relevant data, and optimizing step-by-step methods to extract beetles from twigs, branches, bark, and trunks.
Jiri Hulcr +2 more
doaj +2 more sources
Frontiers in Forests and Global Change, 2023 Invasive bark beetles pose a threat to native biodiversity and to functional ecosystems and the economic productivity of forests, parks, and orchards.
Tomáš Fiala, Jaroslav Holuša
doaj +1 more source
Seasonal flight patterns of Ips typographus in southern Sweden and thermal sums required for emergence [PDF]
, 2014 1 The spruce bark beetle Ips typographus is the major tree-killing bark beetle in Eurasia. To increase knowledge about its seasonal flight patterns and also about the thermal sums required for emergence a field study was conducted in southern Sweden from
Björklund, Niklas, +12 more
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The spruce bark beetle Ips typographus in a changing climate [PDF]
, 2012 Outbreaks of the Spruce bark beetle Ips typographus are often triggered by storm and drought and have destroyed millions of cubic meters of wood. It is therefore a pest insect of economic importance in Europe.
Öhrn, Petter
core +1 more source