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From effective biocontrol agent to successful invader : the harlequin ladybird (Harmonia axyridis) as an example of good ideas that could go wrong [PeerJ]

Keywords : biodiversity, conservation biology, ecology, entomology, environmental sciences

par Frédéric Magné - publié le

The use of biological control agents to control pests is an alternative to pesticides and a tool to manage invasive alien species. However, biocontrol agents can themselves become invasive species under certain conditions. The harlequin ladybird (Harmonia axyridis) is a native Asian biocontrol agent that has become a successful invader. We reviewed articles containing “Harmonia axyridis” to gather information on its presence and surveyed entomologists researching Coccinellidae around the world to investigate further insights about the current distribution, vectors of introduction, habitat use and threats this species pose.(...)

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