Species richness and abundance of native leaf miners are affected by the presence of the invasive horse-chestnut leaf miner - INRAE - Institut national de recherche pour l’agriculture, l’alimentation et l’environnement Access content directly
Journal Articles Biological Invasions Year : 2010

Species richness and abundance of native leaf miners are affected by the presence of the invasive horse-chestnut leaf miner

Abstract

The effect of the alien horse-chestnut leaf miner, Cameraria ohridella, on native fauna was studied by comparing the species richness of native leaf miner communities and the abundance of selected native leaf miner species in the presence and absence of horse-chestnut trees infested by C. ohridella, in various environments in Europe. The species richness of native leaf miner communities in Switzerland was lower at sites where C. ohridella was present than at control sites. In Switzerland, France and Bulgaria, several native leaf miner species were significantly less abundant in the vicinity of infested horse-chestnuts. The native species most affected by the presence of the invasive alien species were those occurring early in the year and sharing their parasitoid complex with C. ohridella. These results suggest apparent competition mediated by shared natural enemies because these are the only link between C. ohridella and native leaf miners using other food resources.

Dates and versions

hal-02663969 , version 1 (31-05-2020)

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Christelle Péré, Sylvie Augustin, Rumen Tomov, Long-Hui Peng, Ted Turlings, et al.. Species richness and abundance of native leaf miners are affected by the presence of the invasive horse-chestnut leaf miner. Biological Invasions, 2010, 12 (5), pp.1011-1021. ⟨10.1007/s10530-009-9518-0⟩. ⟨hal-02663969⟩

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