<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The North American oak lace bug (<italic>Corythucha arcuata</italic>) was first discovered in Europe (Norhern Italy) in 2000. It started a rapid area expansion in the last decade and has been reported in 20 countries so far. Almost all European oaks are suitable hosts. On top of the host availability, abiotic factors like weather/climate may also have a decisive impact on its further spread and future outbreaks. We conducted a simple field survey within three years, at five locations to estimate the overwintering mortality of the species. Our results suggest that not even a relatively harsh winter (as 2016/2017) caused severe mortality in the overwintering populations. The average mortality of the nine year/location combinations was 30.6% (range 9.1–58.5%). Based on this, the low winter temperature is unlikely to restrict its further spread, therefore continuing area expansion can be predicted.</p></abstract>

The North American oak lace bug (Corythucha arcuata) was first discovered in Europe (Norhern Italy) in 2000. It started a rapid area expansion in the last decade and has been reported in 20 countries so far. Almost all European oaks are suitable hosts. On top of the host availability, abiotic factors like weather/climate may also have a decisive impact on its further spread and future outbreaks. We conducted a simple field survey within three years, at five locations to estimate the overwintering mortality of the species. Our results suggest that not even a relatively harsh winter (as 2016/2017) caused severe mortality in the overwintering populations. The average mortality of the nine year/location combinations was 30.6% (range 9.1–58.5%). Based on this, the low winter temperature is unlikely to restrict its further spread, therefore continuing area expansion can be predicted.

Overwintering mortality of the oak lace bug (<italic>Corythucha arcuata</italic>) in Hungary – a field survey

Central European Forestry Journal

This work is licensed under the Creative Commons Attribution 4.0 International License.

Overwintering mortality of the oak lace bug () in Hungary – a field survey

The North American oak lace bug (Corythucha arcuata) was first discovered in Europe (Norhern Italy) in 2000. It started a rapid area expansion in the last...

Overwintering mortality of the oak lace bug (Corythucha arcuata) in Hungary – a field survey

Publié en ligne: 12 mai 2021

Pages: 108 - 112

DOI: https://doi.org/10.2478/forj-2020-0024

Mots clés
invasive insects, area expansion, climate change, abiotic limitation, overwintering success

© 2021 Márton Paulin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Overwintering mortality of the oak lace bug (Corythucha arcuata) in Hungary – a field survey

Publié en ligne: 12 mai 2021

Pages: 108 - 112

DOI: https://doi.org/10.2478/forj-2020-0024

Mots clésinvasive insects, area expansion, climate change, abiotic limitation, overwintering success

© 2021 Márton Paulin et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Mots clés
invasive insects, area expansion, climate change, abiotic limitation, overwintering success