Spread of two invasive flies (Diptera: Drosophilidae) infesting commercial fruits in southeastern Brazil
Keywords:
blackberry, Drosophila suzukii, invasive pests, papaya, strawberry, Zaprionus indianusAbstract
Two invasive fruit flies, Drosophila suzukii Matsumura and Zaprionus indianus Gupta (Diptera: Drosophilidae), recently have becomeestablished, and are expanding their range in the Neotropics. This researchdocuments the range expansion of these species in southeasternBrazil, where they were found infesting cultivated blackberries andstrawberries in the highlands of Espírito Santo, Brazil. Drosophila suzukii also was found associated with rotting Psidium cattleianum, andfor the first time associated with papaya at sea level. Drosophila suzukii and Z. indianus may further affect establishment and production of important soft fruit crops and papaya in this region of Brazil. Management methods for fruit production in this Brazilian region need to be improved to avoid damage and further spread of D. suzukii.
Sumário
Duas espécies invasivas de moscas-das-frutas, Drosophila suzukii Matsumura e Zaprionus indianus Gupta (Diptera: Drosophilidae) recentementese estabeleceram e estão expandindo sua distribuição naregião Neotropical. Esta pesquisa documenta a expansão de áreas afetadas por estas duas espécies no sudeste do Brasil, onde foram encontradas infestando amora preta e morango economicamente cultivados na região serrana do Espírito Santo, Brasil. Drosophila suzukii também foi encontrada associada a frutos de Psidium cattleianum em decomposição e pela primeira vez, associada a frutos de mamão, ao nível do mar. Drosophila suzukii e Z. indianus podem afetar o estabelecimento e a produção de importantes culturas de pequenas frutas e mamão nesta região do Brasil. Métodos de manejo para produção de frutas nesta região brasileira precisam ser melhorados para evitar danos e a dispersão de D. suzukii.
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