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Semiaphis dauci (Fabricius) (Insecta, Hemiptera, Aphididae) – formal record of occurrence on arracacha (Arracacia xanthorrhiza Bancr) (Apiaceae) in Brazil, morphological characterization, description of damages and arthropods associated to the culture

This paper reports formally the occurrence and describes the damages by Semiaphis dauci (Fabricius, 1775) (Insecta, Hemiptera, Aphididae, Aphidinae, Macrosiphini) on arracacha (Arracaciaxanthorrhiza Bancr.) (Apiaceae) in Brazil. The infestation was initially noted on April/2002 at Núcleo de Produção d...