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The influence of prior experience with artificial fruits on the ovipositioning behavior of Anastrepha fraterculus (Diptera, Tephritidae)

DOI: 10.1590/S0073-47212012000200004

Keywords: fruit flies, hosts, learning.

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Abstract:

the south american fruit fly, anastrepha fraterculus (wiedemann, 1830) (diptera, tephritidae), is a leading pest of brazilian fruit crops. this study evaluated how prior experience with artificial fruits containing peach and/or guabiroba pulp influenced the ovipositing behavior of a. fraterculus. insects 15-21 days old were exposed to four treatments: 1) experience with guabiroba, campomanesia xanthocarpa o. berg (myrtaceae); 2) experience with peach, prunus persica (l.) batsch (chimarrita cultivar; rosaceae); 3) experience with both fruits; and 4) no experience (naive). naive females and females experienced with guabiroba pulp and with both fruits (peach and guabiroba) oviposited and showed dragging and puncturing behavior on substrates containing guabiroba, but females that were only exposed to peach pulp did not show a preference for any substrate. the study shows that prior experience with substrate influences ovipositing behavior in a. fraterculus.

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