Pré-Publication, Document De Travail Année : 2022

The clone wars: the Japanese knotweed ( Fallopia japonica ) vs the black vine weevil ( Otiorhynchus sulcatus ) – characterization of a potential herbivory

Résumé

Abstract The Japanese knotweed ( Fallopia japonica ) is considered as highly invasive in Europe and is largely widespread in France, without any established predator. This short study first characterized the herbivory of Fallopia by the black vine weevil ( Otiorhynchus sulcatus ), a commonly encountered coleopteran in France. Through an experimental design of leaf choices, between Fragaria spp. and Fallopia spp., our results show that the insects prefer Fallopia , even if it is presented for the first time. Even if this simple observation may appear as trivial, it highlights a novel plant-insect interaction and may start new insight in plant control or invasion management.

Dates et versions

hal-04488262 , version 1 (04-03-2024)

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Loic Teulier, Sara Puijalon, Christelle Boisselet, Florence Piola. The clone wars: the Japanese knotweed ( Fallopia japonica ) vs the black vine weevil ( Otiorhynchus sulcatus ) – characterization of a potential herbivory. 2024. ⟨hal-04488262⟩
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