Bactrocera dorsalis Preference for and performance on two mango varieties at three stages of ripeness

Rattanapun, Wigunda, Amornsak, Weerawan, & Clarke, Anthony (2009) Bactrocera dorsalis Preference for and performance on two mango varieties at three stages of ripeness. Entomologia Experimentalis et Applicata, 131, pp. 243-253.

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Most tropical fruit flies only lay into mature fruit, but a small number can also oviposit into unripe fruit. Little is known about the link between adult oviposition preference and offspring performance in such situations. In this study we examine the influence of different ripening stages of two mango Mangifera indica L. (Anacardiaceae) varieties on the preference and performance of the Oriental fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae), a fly known to be able to develop in unripe fruit. Work was carried out as a series of laboratory-based choice and no-choice oviposition experiments and larval growth trials. In oviposition choice trials, female B. dorsalis demonstrated a preference for ripe fruit of mango variety Namdorkmai over variety Oakrong, but generally the dependent variable most influencing oviposition results was fruit ripening stage. Ripe and fully-ripe mangoes were most preferred for oviposition by B. dorsalis. In contrast, unripe mango was infrequently used by ovipositing females, particularly in choice trials. Consistent with the results of oviposition preference, ripe and fully-ripe mangoes were also best for offspring survival, with a higher percentage of larval survival to pupation and shorter development times in comparison to unripe mango. Changes in Total Soluble Solids, TSS, and skin toughness correlate with changing host use across the ripening stages. Regardless of the mango variety or ripeness stage, B. dorsalis had difficulty penetrating the pericarp of our experimental fruit. Larval survival was also often poor. We discuss the possibility that there may be differences in the ability of laboratory and wild flies to penetrate fruit for oviposition, or that in the field flies more regularly utilize natural fruit wounds as oviposition sites.

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18 citations in Scopus
17 citations in Web of Science®
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ID Code: 29738
Item Type: Journal Article
Refereed: Yes
Keywords: behavior, host plant, oviposition, fruit fly, Tephritidae
DOI: 10.1111/j.1570-7458.2009.00850.x
ISSN: 1570-7458
Subjects: Australian and New Zealand Standard Research Classification > AGRICULTURAL AND VETERINARY SCIENCES (070000) > HORTICULTURAL PRODUCTION (070600) > Horticultural Crop Protection (Pests Diseases and Weeds) (070603)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2009 Wiley-Blackwell
Deposited On: 19 Jan 2010 00:57
Last Modified: 22 Jun 2017 14:42

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