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      Influence of different tropical fruits on biological and behavioral aspects of the Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera, Tephritidae)

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          Abstract

          Influence of different tropical fruits on biological and behavioral aspects of the Mediterranean fruit fly Ceratitis capitata (Wiedemann) (Diptera, Tephritidae). Studies on Ceratitis capitata, a world fruit pest, can aid the implementation of control programs by determining the plants with higher vulnerability to attacks and plants able to sustain their population in areas of fly distribution. The objective of the present study was to evaluate the influence of eight tropical fruits on the following biological and behavioral parameters of C. capitata: emergence percentage, life cycle duration, adult size, egg production, longevity, fecundity, egg viability, and oviposition acceptance. The fruits tested were: acerola (Malpighia glabra L.), cashew (Anacardium occidentale L.), star fruit (Averrhoa carambola L.), guava (Psidium guajava L.), soursop (Annona muricata L.), yellow mombin (Spondias mombin L.), Malay apple (Syzygium malaccense L.), and umbu (Spondias tuberosa L.). The biological parameters were obtained by rearing the recently hatched larvae on each of the fruit kinds. Acceptance of fruits for oviposition experiment was assessed using no-choice tests, as couples were exposed to two pieces of the same fruit. The best performances were obtained with guava, soursop, and star fruit. Larvae reared on cashew and acerola fruits had regular performances. No adults emerged from yellow mombin, Malay apple, or umbu. Fruit species did not affect adult longevity, female fecundity, or egg viability. Guava, soursop, and acerola were preferred for oviposition, followed by star fruit, Malay apple, cashew, and yellow mombin. Oviposition did not occur on umbu. In general, fruits with better larval development were also more accepted for oviposition.

          Translated abstract

          Influência de diferentes frutos tropicais em aspectos biológicos e comportamentais da mosca-das-frutas Ceratitis capitata (Wiedemann) (Diptera, Tephritidae). Estudos em Ceratitis capitata, uma praga agrícola, pode auxiliar na implementação do programa de controle determinando as plantas com maior vulnerabilidade de serem atacadas e plantas capazes de sustentar sua população em áreas de distribuição da mosca. O objetivo deste trabalho foi avaliar a influência de oito frutos tropicais em alguns parâmetros biológicos e comportamentais de C. capitata: porcentagem de emergência, duração do ciclo de vida, tamanho do adulto, produção de óvulos, longevidade, fecundidade, viabilidade dos ovos e aceitação de frutos para oviposição. Os frutos testados foram: acerola (Malpighia glabra L.), caju (Anacardium occidentale L.), carambola (Averrhoa carambola L.), goiaba (Psidium guajava L.), graviola (Annona muricata L.), cajá (Spondias mombin L.), jambo (Syzygium malaccense L.), and umbu (Spondias tuberosa L.). Os parâmetros biológicos foram obtidos colocando larvas recém eclodidas em cada fruto testado. Nos experimentos de aceitação para a oviposição, as moscas foram expostas a dois pedaços das mesmas frutas. A melhor performance foi obtida com goiaba, graviola e carambola. Larvas criadas no caju e na acerola tiveram performance regular. Nenhum adulto emergiu do cajá, jambo ou umbu. As frutas não influenciaram a longevidade dos adultos, fecundidade das fêmeas, ou viabilidade. Goiaba, graviola e acerola foram preferidos para oviposição, seguidos por carambola, jambo, caju e cajá. Oviposição não ocorreu em umbu. Em geral, frutos nos quais houve um melhor desenvolvimento larval, também foram mais aceitos para oviposição.

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          Host Specialization in Phytophagous Insects

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            Evolutionary ecology of the relationship between oviposition preference and performance of offspring in phytophagous insects

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              Neural limitations in phytophagous insects: implications for diet breadth and evolution of host affiliation.

              E Bernays (2000)
              This review points out the problem of processing multiple sensory inputs and provides evidence that generalists suffer a disadvantage compared with specialists with respect to efficiency of host plant choice and discrimination. The specialists' mechanisms for improved efficiency are discussed as well as some of the processes that may be selected to increase processing efficiency in generalists. The fitness consequences of differences in efficiency of specialists and generalists are pointed out. One of the major disadvantages for generalists is the increase in vulnerability to ecological risks, especially risks imposed by various natural enemies. Efficiency-related factors are indicated as previously underestimated elements that could influence host affiliations including diet breadth and changes in host plant use.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbent
                Revista Brasileira de Entomologia
                Rev. Bras. entomol.
                Sociedade Brasileira De Entomologia (São Paulo )
                1806-9665
                September 2011
                : 55
                : 3
                : 355-360
                Affiliations
                [1 ] Universidade Federal da Bahia Brazil
                Article
                S0085-56262011000300008
                10.1590/S0085-56262011000300008
                8e89b861-364a-4e90-b6bf-864a8aac8b7d

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

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0085-5626&lng=en
                Categories
                ENTOMOLOGY

                Entomology
                Demography,insects,medfly,nutritional ecology,oviposition,Demografia,ecologia nutricional,insetos,mosca do Mediterrâneo,oviposição

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