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- W349341106 abstract "Engenheiro Agronomo, MSc, Epagri, Universidade Federal de Vicosa, Departamento de Biologia Animal, 36570-000, Vicosa, MG.E-mail: ehickel@alunos.ufv.br.RESUMODentre as estrategias de manejo integrado demosca-das-frutas esta a manutencao de refugios, vizinhos aospomares, para proliferacao de inimigos naturais. Objetivandoverificar quais hospedeiros de mosca-das-frutas seriam maisadequados para incrementar o controle natural, estabeleceu-seuma correlacao entre o nivel de parasitismo e a espessura dapolpa de frutos. Frutos em maturacao de cafe (Coffea arabica),jabuticaba (Myrciaria cauliflora), caja-mirim (Spondias lutea) elaranja (Citrus aurantium) foram coletados e mantidos embandejas plasticas sobre uma camada de areia. As pupas demosca-das-frutas retiradas da areia foram mantidas em estufaincubadora para emergencia dos adultos. O diâmetro dos frutos edas sementes foi medido para se calcular a espessura da polpa.O cafe, com 1,8mm de polpa, foi o hospedeiro em que ocorreumaior indice de parasitismo de mosca-das-frutas (13,73%). Onivel de parasitismo apresentou uma correlacao negativa com aespessura da polpa dos frutos, sendo os frutos de polpa fina maisadequados para proliferacao de parasitoides de mosca-das-frutas.Palavras-chave: insecta, Anastrepha, Ceratitis, controlebiologico, cultura armadilha.SUMMARYOne of the strategies for fruit fly integrated pestmanagement is the refugee maintenance, near the orchards, forfruit fly natural enemies proliferation. With the aim to check themost suitable fruit fly hosts to increment natural control, acorrelation was established between the parasitism level and thefruit pulp thickness. Ripening fruits of coffee (Coffea arabica),jabuticaba (Myrciaria cauliflora), caja-mirim (Spondias lutea),and orange (Citrus aurantium) were collected and maintained inplastic trays over a sand layer. The fruit fly pupae were takenfrom the sand and put in B.O.D. for adult emergence. The fruitand seed diameter were measure to estimate the fruit pulpthickness. The coffee bean, with 1.8mm of pulp was the fruit flyhost with the greatest parasitism level (13.37%). The level ofparasitism showed a negative relation with the fruit pulpthickness, and the thin pulp fruits were the most suitable hosts forfruit fly parasitoids proliferation.Key words: insecta, Anastrepha, Ceratitis, biological control,crop trap." @default.
- W349341106 created "2016-06-24" @default.
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- W349341106 date "2002-01-01" @default.
- W349341106 modified "2023-09-26" @default.
- W349341106 title "ESPESSURA DA POLPA COMO CONDICIONANTE DO PARASITISMO DE MOSCA-DAS-FRUTAS (DIPTERA:TEPHRITIDAE) POR HYMENOPTERA:BRACONIDAE FRUIT PULP THICKNESS CONDITIONING FRUIT FLY (DIPTERA: TEPHRITIDAE) PARASITISM BY HYMENOPTERA:BRACONIDAE" @default.
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