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Assessing the risks of non-target feeding by the accidentally introduced ragweed leaf beetle, Ophraella communa, to native European plant species

Augustinus, Benno Andreas ; Gentili, Rodolfo ; Horvath, David ; Naderi, Ruhollah ; Sun, Yan ; Tournet, Anne-Marth Truce Eleonoor ; Schaffner, Urs ; Müller-Schärer, Heinz

In: Biological Control, 2020, vol. 150, p. 104356

In 2013, the North American oligophagous leaf beetle, Ophraella communa LeSage (Coleoptera: Chrysomelidae), was found in Europe for the first time. Recent studies in Northern Italy and Southern Switzerland record extensive defoliation by O. communa on its preferred host, common ragweed, Ambrosia artemisiifolia L. (Asteraceae, Tribe Heliantheae), and reductions in its flowering and seeding. In...