First record of the exotic pest Sitona discoideus Gyllenhal 1834 (Coleoptera: Curculionidae) in Argentina

M. Guadalupe DEL RÍO, Analía A. LANTERI, Cecilia G. GITTINS LÓPEZ, Victoria I. RIVERO, Diego A. GONZÁLEZ, M. Fernanda LÓPEZ ARMENGOL


The alfalfa root weevil Sitona discoideus Gyllenhal 1834 (Curculionidae: Entiminae) is herein reported for the first time for Argentina. This weevil is native to southern Europe and northern Africa and was accidentally introduced in Australia, New Zealand, the United States of America, and Chile. In Argentina, it was collected in the Upper valley of Río Negro, associated with alfalfa plants (Medicago sativa L.)


Alfalfa; Alfalfa root weevil; Entiminae; Introduced pest; Medicago sativa L.

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