Exocentrus (Exocentrus) punctipennis Mulsant & Guillebeau, 1856
biology

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[Photo © Milan Sláma]

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Elm (Ulmus laevis) twigs infested with Exocentrus punctipennis Mulsant & Guillebeau, 1856. Often even a relatively small part of the branch will hatch dozens of adults, as can be seen from the number of exit holes (origin: Czechia).

[Photographs are published with the kind permission of Milan Sláma]

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