Biological Invasions (2010) 12, 1011-1021

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Christelle Péré, Sylvie Augustin, Rumen Tomov, Long-hui Peng, Ted C.J. Turlings and Marc Kenis (2010)
Species richness and abundance of native leaf miners are affected by the presence of the invasive horse-chestnut leaf miner
Biological Invasions 12 (5), 1011-1021
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.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website
Database assignments for author(s): Marc Kenis, Ted C.J. Turlings

Research topic(s) for pests/diseases/weeds:
environment - cropping system/rotation

Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.

Cameraria ohridella Bulgaria
Cameraria ohridella France
Cameraria ohridella Switzerland