Journal of Chemical Ecology

, Volume 31, Issue 5, pp 1039–1049 | Cite as

Grapefruit Oil Enhances Attraction of Mexican Fruit Flies to a Synthetic Food-Odor Lure

  • David C. Robacker
  • Cirilo Rios
Research Article


We investigated the attractiveness of grapefruit oil to the Mexican fruit fly. Only high concentrations were attractive in laboratory wind-tunnel bioassays. Attraction of flies to grapefruit oil was not enhanced if they had previous experience with grapefruit. In citrus orchard experiments, undiluted grapefruit oil attracted Mexican fruit flies and enhanced attraction to traps baited with a synthetic food-odor lure emitting ammonia and other nitrogenous chemicals. This is the first demonstration of host fruit odor increasing attraction to another type of attractive blend in Mexican fruit fly. These results indicate differences in the way the flies respond to undiluted grapefruit oil compared with previously tested fruit odors.

Key Words

Diptera Tephritidae Anastrepha ludens attractant grapefruit oil 



We thank Maura Rodriguez (USDA ARS, Weslaco, TX) for technical assistance. Use of a product brand in this work does not constitute an endorsement by the USDA.


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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  1. 1.Crop Quality and Fruit Insects Research, ARS, USDAWeslacoUSA

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