First record of Heliothis virescens (Lepidoptera: Noctuidae) damaging table grape bunches
Keywords:
plant damage, host plant, tobacco budworm, new occurrenceAbstract
Heliothis virescens (F.) was observed damaging table grape bunches (18 d after onset of the flowering period), in Marialva County, Paraná State, Brazil. The pest fully ruined the bunches for the fresh market, and the damage was characterized as quite different from that of other lepidopteran larvae on grapes. Proximity to soybean (Glycine max L. Merrill) fields in which H. virescens developed was the probable cause of its occurrence on grapes.
Sumário
Heliothis virescens (F.) foi observada causando danos em cachos de uva de mesa (18 dias após o início de florescimento), na cidade de Marialva, Paraná, Brasil. Os cachos foram completamente danificados, impossibilitando sua comercialização in natura, além disso, estes danos foram muito diferentes dos encontrado anteriormente por lagartas similares. A proximidade com lavoura de soja (Glycine max L. Merrill), onde H. virescens se desenvolve, pode ter sido a fonte de dispersão destas lagartas em direção à videira atacada.
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