DO MEXICAN FRUIT FLIES (DIPTERA: TEPHRITIDAE) PREFER GRAPEFRUIT TO YELLOW CHAPOTE, A NATIVE HOST?
AbstractWild strain, mated, female Mexican fruit flies, Anastrepha ludens (Loew), with no prior experience with fruit (naïve), were not attracted to and did not attempt oviposition in yellow chapote (Sargentia greggii) fruit more so than grapefruit (Citrus paradisi) in wind tunnel experiments. Naïve, mated laboratory strain females preferred grapefruit. Prior experience with chapote increased attraction of both laboratory and wild strains to chapote. More naïve than chapote-experienced females of both strains attempted to oviposit on the sides of the wind tunnel. Naïve laboratory strain males were more attracted to grapefruit than chapote. Naïve wild males and chapote-experienced wild and laboratory males did not prefer either fruit.
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