Attraction of Scolytus unispinosus bark beetles to ethanol in water-stressed Douglas-fir branches

Kelsey, Rick G.; Joseph, Gladwin

doi:10.1016/s0378-1127(00)00387-x

Cited by 40 publications

(21 citation statements)

References 33 publications

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“…Low oxygen conditions arising in stressed trees can also lead to ethanol production and subsequent attack by bark and ambrosia beetles (Miller & Rabaglia 2009). Kelsey & Joseph (2001) reported that all water-stressed branches of Douglas-fir trees contained significantly higher ethanol concentrations. As ethanol is only produced in sufficiently moist sapwood and phloem tissue, it apparently signals suitable host material for ambrosia beetles and their associated fungi (Klimetzek et al 1986).…”

Section: Discussionmentioning

confidence: 99%

Attraction of ambrosia beetles to ethanol baited traps in a Slovakian oak forest

et al. 2014

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The attractiveness of ultra high release ethanol lures to ambrosia beetles in Slovakian oak forests was tested from 2010 to 2012. A total of 24,705 specimens were captured during this three year period with Xyleborinus saxesenii (Ratzeburg, 1837) representing 49.28% (12,174 specimens) of the total. Other dominant species captured in the traps were Anisandrus dispar (F., 1792) (27.84%), Xyleborus monographus (F., 1792) (9.72%) and Trypodendron signatum (F., 1792) (6.04%). During this experiment, Xylosandrus germanus (Blandford, 1894) was detected for the first time in Slovakia with an increase in capture each year (19, 40 and 77 specimens, respectively). Flight period for ambrosia beetles in Slovakia occurs from the beginning of April through the end of September. This is the first time that ethanol baited traps were deployed in Slovakian oak forests and the lures were an effective tool for monitoring native and non-native ambrosia beetles.

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Section: Discussionmentioning

confidence: 99%

Attraction of ambrosia beetles to ethanol baited traps in a Slovakian oak forest

et al. 2014

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“…For example, as trees age and become taller they become more susceptible to windthrow (Peltola, 2006), more easily waterstressed due to the longer water transport distances between fineroots and the crown (Ryan and Yoder, 1997), and hence are more susceptible to secondary pathogens such as bark beetles that affect stressed or weakened trees (e.g. Kelsey and Joseph, 2001). Given the uncertainties of future climatic conditions, risk-adverse forest managers will likely shorten production cycles (Kellomä ki et al, 2000).…”

Section: Maintenance Of Old-growth Attributes Through Long Productionmentioning

confidence: 99%

Silviculture for old-growth attributes

Bauhus

Puettmann

Messier

2009

Forest Ecology and Management

511

412

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“…Usually, a reduction of food quality occurs at the same time due to a decrease of the water content in tree tissues [52,53]. Wood tissues in stress trees also emit chemical compounds that attract secondary pest insects [47]. …”

Section: Effects Of Water Stress On Host Attractiveness To Woodborersmentioning

confidence: 99%

Effects of drought and heat on forest insect populations in relation to the 2003 drought in Western Europe

Candau²,

et al. 2006

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-Although drought affects directly tree physiology and growth, the impact of secondary factors (insect pests, pathogens and fire) is often greater than the impact of the original stress and can lead to important tree mortality. In 2003, Western and Central Europe experienced a drought and heat waves that led to extensive forest damage. This paper reports on the impacts of drought and high temperatures on forest insect populations in the context of this exceptional event. Observations of changes in population levels of the main European forest insect pests during and after the drought are presented and discussed in the light of current knowledge and theories of interactions between drought and insects. We investigated the direct effects of drought on life history traits and indirect effects through physiological changes experienced by host trees. Forest pest insects were separated in 4 feeding guilds: woodborers, leaf-chewers, leaf-miners and leaf-suckers. The impact of water stress varied according to feeding guilds. Woodborers were positively influenced by prolonged water stress and the decline of host resistance. In contrast, defoliators profited better from the increased nitrogen in plant tissues linked to moderate or intermittent water stress. Field observations showed the importance of the soil water status in tree resistance against pest attacks. Thus, the 2003 drought confirmed observations from earlier droughts that, is case of bad choice of tree species in some plantations, site matching becomes a prominent and primary cause of the development of pest outbreaks. This exceptional drought may give us some indication of the impacts of extreme climatic events. However, observations of the performance at the individual level were not sufficient for predicting long-term insect population dynamics, which depends on complex interactions between biotic and abiotic factors.climate change / drought / heat wave / forest pest insect / population dynamic Résumé -Effet de la sécheresse et de la canicule de 2003 sur les populations d'insectes ravageurs forestiers en Europe centrale et occidentale. Bien que la sécheresse affecte directement la physiologie et la croissance des arbres, l'impact de facteurs secondaires (insectes ravageurs, pathogènes et feu) est souvent plus important que le stress original et peut conduire à la mortalité des arbres. En 2003, une sécheresse et des vagues de chaleur ont provoqué des dégâts importants dans les forêts d'Europe centrale et occidentale. Cet article rend compte de l'impact de la sécheresse et de la canicule sur les populations d'insectes forestiers dans le contexte de cet évènement exceptionnel. Les observations des fluctuations de populations des principaux insectes ravageurs des forêts européennes sont présentées et discutées en regard des connaissances actuelles et des théories des interactions entre sécheresse et insectes. Nous avons recherché les effets directs et indirects de la sécheresse, respectivement sur les traits d'histoire de vie et au travers des modifica...

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Attraction of Scolytus unispinosus bark beetles to ethanol in water-stressed Douglas-fir branches

Cited by 40 publications

References 33 publications

Attraction of ambrosia beetles to ethanol baited traps in a Slovakian oak forest

Attraction of ambrosia beetles to ethanol baited traps in a Slovakian oak forest

Silviculture for old-growth attributes

Effects of drought and heat on forest insect populations in relation to the 2003 drought in Western Europe

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