Unverified information points to a decreasing trend, or at least a status-quo, in aphid-related agricultural problems, which would confirm that the arrival of H. axyridis did not alter the natural aphid control function of ladybirds by affecting native ladybird populations.
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Long Term Monitoring in Switzerland Reveals That <i>Adalia bipunctata</i> Strongly Declines in Response to <i>Harmonia axyridis</i> Invasion.
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