Corythucha arcuata (Say, 1832)

oak lace bug

on Quercus

Corythucha arcuata: damage on Quercus spec.

Quercus spec., Hungary, Budapest, Kamaraerdő, 19.vii.2017 © László Érsek

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Corythucha arcuata: damage on Quercus spec.

underside of the leaf with colony

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Corythucha arcuata: adult

imago

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Corythucha arcuata: adult

another specimen

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Corythucha arcuata: eggs

eggs

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Corythucha arcuata: eggs

detail

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Corythucha arcuata: larvae

larvae

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Corythucha arcuata: larvae

larvae

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Corythucha arcuata: larva

very young larva

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Corythucha arcuata: larva

older larva

parasite

Adults about 3 mm long.

host plants

Fagaceae, ± monophagous

Quercus cerris, frainetto, hartwissiana, macranthera, petraea & subsp. iberica, pubescens, robur & subsp. pedunculiflora.

Rarely Castanea sativa.
Occasionally found on Acer platanoides; Lysimachia punctata; Rosa canina; Rubus caesius, idaeus, ulmifolius.

phenology

Hibernation as adult in bark fissures and litter. About 3 generations.

distribution within Europe

(PESI, 2018).

notes

North American species, since 2000 in Europe and expanding its are from Italy over southern and central Europe. The damage may be considerable (Simov ao).

references

Braggion (2013a), Chireceanu, Teodoru & Chiriloaie (2017a), Dobreva, Simov, Georgiev ao (2013a), Forster, Giacalone, Moretti ao (2005a), Simov, Grozeva, Langourov ao (2018a).

mod 6.xii.2018