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      Adult carbohydrate feeding affects reproduction of Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae)

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          Abstract

          Reproduction of most insects depend on nutrients accumulated during the larval stage, but many lepidopteran species will also depend on nutrients obtained at the adult stage. Feeding at the adult stage allows the intake of carbohydrate and amino acid rich solutions, which may have an effect on the species reproduction and population growth. The objectives of the current study were to characterize the effects of sugar consumption by adults of the potato tuber moth, Phthorimaea operculella (Zeller), on its reproduction. To initially test the food intake by adults, a 10% honey solution or water (control), both containing a liquid dye were offered to adult insects 24h after emergence, and the presence of the dye was observed by analysis of their digestive system. The effects of adult feeding on a 10% honey solution on the reproductive performance of P. operculella were evaluated by assessing the oviposition rate, fecundity and fertility. Adult feeding was proved by the presence of the dye within the digestive system of adults of P. operculella. Although the oviposition rate and fertility were not affected by adult feeding, female fecundity was higher in honey-fed females as compared to the water-fed females.

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          Estatística experimental não para-métrica

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            The R Project for Statistical Computing

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              Novo manual de olericultura

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                ne
                Neotropical Entomology
                Neotrop. entomol.
                Sociedade Entomológica do Brasil (Londrina )
                1678-8052
                June 2010
                : 39
                : 3
                : 315-318
                Affiliations
                [1 ] Instituto de Estudos e Pesquisas do Estado do Amapá Brazil
                [2 ] Universidade de São Paulo Brazil
                [3 ] Universidade Estadual de Maringá Brazil
                Article
                S1519-566X2010000300001
                10.1590/S1519-566X2010000300001
                833bfeaf-45f3-4a7d-9121-a4bce54f2733

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1519-566X&lng=en
                Categories
                ENTOMOLOGY

                Entomology
                Color dye,digestive system,ovarian development,reproductive system
                Entomology
                Color dye, digestive system, ovarian development, reproductive system

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