Weather-dependent fluctuations in the abundance of the oak processionary moth, Thaumetopoea processionea (Lepidoptera: Notodontidae)

Csóka, György; Hirka, Anikó; Szőcs, Levente; Móricz, Norbert; Rasztovits, Ervin; Pödör, Zoltán

doi:10.14411/eje.2018.024

Cited by 14 publications

(14 citation statements)

References 51 publications

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“…Many studies worldwide report that more frequent and severe droughts will significantly reduce the health of forest trees, including oak stands. If these climate predictions are accurate, further declines in forest health can be expected (Csóka 1996(Csóka , 1997McManus and Csóka, 2007;Csóka et al, 2009Csóka et al, , 2015Csóka et al, , 2018Klapwijk et al, 2013;Berki et al, 2018;Hirka et al, 2018;Mátyás et al, 2018). A new invasive insect imposing severe physiological effects on oaks will almost certainly contribute to further deterioration, worsening the prospects for oak forests, particularly if damage is repeated over the long-term.…”

Section: Potential Impacts On Oak Healthmentioning

confidence: 99%

Known and predicted impacts of the invasive oak lace bug (Corythucha arcuata) in European oak ecosystems – a review

et al. 2020

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The North American oak lace bug (OLB, Corythucha arcuata) was first found in Europe in northern Italy in 2000, and up to 2019 it was recorded in 20 countries. Almost all Eurasian deciduous oak species are suitable hosts and the species can also feed on many other woody plants. At least 30 million hectares of oak forests provide suitable hosts for the OLB, meaning that the lack of suitable hosts will not restrict its further spread. Detailed studies on the long-term impact of the species are not yet available but there are many good reasons to assume that it poses multiple threats to oaks and oak ecosystems. In the long term, it may have negative effects on oak health, growth, and acorn crops. Many of other oak-associated species will likely also be negatively affected. So far, no effective and environmentally tolerable large scale control method is known for OLB.

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Section: Potential Impacts On Oak Healthmentioning

confidence: 99%

Known and predicted impacts of the invasive oak lace bug (Corythucha arcuata) in European oak ecosystems – a review

et al. 2020

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“…This is true for both insects and pathogens. The triggering effect of droughts is statistically proven for many insect pests [54][55][56][57], and is also evident for fungal diseases such as the recent damages caused by pine decline (Cenangium ferruginosum), maple decline (Armillaria spp. ), and charcoal disease (Biscogniauxia mediterranea) of Turkey oak.…”

Section: Biotic Damagesmentioning

confidence: 99%

Sustainability of Forest Cover under Climate Change on the Temperate-Continental Xeric Limits

Mátyás

Berki

Bidló

et al. 2018

Forests

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Climate change particularly threatens the xeric limits of temperate-continental forests. In Hungary, annual temperatures have increased by 1.2 °C–1.8 °C in the last 30 years and the frequency of extreme droughts has grown. With the aim to gain stand-level prospects of sustainability, we have used local forest site variables to identify and project effects of recent and expected changes of climate. We have used a climatic descriptor (FAI index) to compare trends estimated from forest datasets with climatological projections; this is likely for the first time such a comparison has been made. Four independent approaches confirmed the near-linear decline of growth and vitality with increasing hot droughts in summer, using sessile oak as model species. The correlation between droughts and the expansion of pest and disease damages was also found to be significant. Projections of expected changes of main site factors predict a dramatic rise of future drought frequency and, consequently, a substantial shift of forest climate classes, especially at low elevation. Excess water-dependent lowland forests may lose supply from groundwater, which may change vegetation cover and soil development processes. The overall change of site conditions not only causes economic losses, but also challenges long-term sustainability of forest cover at the xeric limits.

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“…Second, to forecast the emergence of adult moths, determining the correlations between adult emergence and meteorological factors is important. In contrast to abundant studies about monthly and annual moth catches and long-term weather variables [15,22,62], there have been very few systematic studies in which correlations between daily moth catch and weather variables were investigated [33,37]. Since each expressway has a real-time weather monitoring system, we used the meteorological data from the systems near the light traps for analysis.…”

Section: Introductionmentioning

confidence: 99%

Management of flying insects on expressways through an academic-industrial collaboration: evaluation of the effect of light wavelengths and meteorological factors on insect attraction

Komatsu

Kurihara²,

Saito

et al. 2020

Zoological Lett

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Insect outbreaks often occur in the absence of natural enemies and in the presence of excess suitable host materials. Outbreaks of gypsy moths are especially problematic in remote areas located in high-latitude regions in Japan because the majority of adults emerge during the short summer season and initiate synchronous mass flight toward artificial lights. The aggregation of moths in public facilities not only is an annoyance to visitors but also permits the establishment of new populations the following year. The aim of this study was to establish a method to reduce the numbers of large moths that are attracted to lights in the rest areas of expressways in Hokkaido based on the results of research on their behavioral ecology and physiology. First, we conducted extensive insect surveys using light traps that emit light at different wavelengths; the traps were set along the expressways in the summers of 2014–2018. The insects attracted to the light were roughly classified into those showing a preference for broadband light wavelengths (from UV-A to green) and short light wavelengths (from UV-A to blue). The former included aquatic insects and winged ants, and the latter included moths and beetles. Next, we analyzed correlations between moth emergence and daily meteorological data. When gypsy moths were abundant during an outbreak, the daily catch of gypsy moths was positively correlated with the highest ambient temperature on the catch day but not with the visibility range, wind speed, or moon phase. In contrast, the daily catch of oak silkmoths did not correlate with any of these parameters. Our results provide guidance for the management of forest insects inhabiting cool-temperate to subarctic regions based on light wavelengths with reference to weather variables.

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Weather-dependent fluctuations in the abundance of the oak processionary moth, Thaumetopoea processionea (Lepidoptera: Notodontidae)

Cited by 14 publications

References 51 publications

Known and predicted impacts of the invasive oak lace bug (Corythucha arcuata) in European oak ecosystems – a review

Known and predicted impacts of the invasive oak lace bug (Corythucha arcuata) in European oak ecosystems – a review

Sustainability of Forest Cover under Climate Change on the Temperate-Continental Xeric Limits

Management of flying insects on expressways through an academic-industrial collaboration: evaluation of the effect of light wavelengths and meteorological factors on insect attraction

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