Cytological study of the asian papaya fruit fly

F. Yesmin, M. M. Clyde

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    The Asian papaya fruit fly, Bactrocera papayae Drew and Hancock is a key pest among the tephritid (Diptera: Tephritidae) groups of Asia and the Pacific. It has been recorded from 193 host plant species in 114 genera and 50 families in Asia. The larval stages feed on edible fruits and fleshy vegetables and cause serious financial damage. Females lay eggs in green papaya, citrus, carambola, sweet gourd, cashew, pummelo, mango, guava, bananas and many more commercially grown fruits and vegetables in Southeast Asia. Because of their widespread horticultural impact and rapid range expansions, tephritid fruit flies are the subject of quarantine and control efforts worldwide. The efforts for controlling of this pest are based mainly on chemical insecticides. However, there is potential for application of genetic control techniques, such as sterile insect technique (SIT), sterile male technique (SMT) and other autocidal methods. Cytogenetic information is a fundamental beginning for understanding the biology of insect pests, as well as for developing new genetic control strategies. The present study constitutes the first attempt to describe the mitotic metaphase chromosomes of B. papayae. The detailed karyotype information (the number, centromeric index, relative length, arm ratio, chromosome morphology) are presented. The species had six pairs of chromosomes. The male was heterogametic (XY) and the female was homogametic (XX). The chromosome number was 12 (10 autosomes + XX or XY). There were 2 pairs of submetacentric, 1 pair metacentric and 2 pairs of acrocentric chromosomes. The X chromosome was submetacentric and long while the Y was a dot-like chromosome and totally heterochromatic. One arm of the X chromosome was also heterochromatic. This work showed that B. papayae is suitable for further cytogenetic studies in this species and may be used as reference for other Bactrocera spp., most of which are also serious horticultural pests.

    Original languageEnglish
    Title of host publicationActa Horticulturae
    PublisherInternational Society for Horticultural Science
    Pages301-306
    Number of pages6
    Volume1024
    ISBN (Print)9789462610101
    Publication statusPublished - 12 Mar 2014

    Publication series

    NameActa Horticulturae
    Volume1024
    ISSN (Print)05677572

    Fingerprint

    Bactrocera papayae
    genetic resistance
    pests
    X chromosome
    Tephritidae
    chromosomes
    cytogenetics
    vegetables
    cashew fruit
    gourds
    Bactrocera
    Averrhoa carambola
    chromosome morphology
    sterile insect technique
    acrocentric chromosomes
    fruits
    guavas
    autosomes
    papayas
    fruit flies

    Keywords

    • Genetic control
    • Karyotype
    • Mitotic chromosome measurements
    • Polyphagous pest
    • Tephritidae

    ASJC Scopus subject areas

    • Horticulture

    Cite this

    Yesmin, F., & Clyde, M. M. (2014). Cytological study of the asian papaya fruit fly. In Acta Horticulturae (Vol. 1024, pp. 301-306). (Acta Horticulturae; Vol. 1024). International Society for Horticultural Science.

    Cytological study of the asian papaya fruit fly. / Yesmin, F.; Clyde, M. M.

    Acta Horticulturae. Vol. 1024 International Society for Horticultural Science, 2014. p. 301-306 (Acta Horticulturae; Vol. 1024).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Yesmin, F & Clyde, MM 2014, Cytological study of the asian papaya fruit fly. in Acta Horticulturae. vol. 1024, Acta Horticulturae, vol. 1024, International Society for Horticultural Science, pp. 301-306.
    Yesmin F, Clyde MM. Cytological study of the asian papaya fruit fly. In Acta Horticulturae. Vol. 1024. International Society for Horticultural Science. 2014. p. 301-306. (Acta Horticulturae).
    Yesmin, F. ; Clyde, M. M. / Cytological study of the asian papaya fruit fly. Acta Horticulturae. Vol. 1024 International Society for Horticultural Science, 2014. pp. 301-306 (Acta Horticulturae).
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