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How Do Boll Weevils Locate Overwintering Sites?

G. H. McKibben, P. A. Hedin, E. J. Villavaso, T. L. Wagner and D. A. Dollar


Field trapping studies showed that late Summer and Fall dispersing boll weevils responded better to traps containing grandlure plus synthetic plant components than to traps baited with grandlure alone. They also were weakly attracted to essential oils of honeysuckle, willow oak and red oak, and to extracts of leaf litter. Gas chromatographic and mass spectral analyses of the leaf litter extracts revealed the presence of two of the three compounds to which dispersing boll weevils responded.

Reprinted from Proceedings of the 1998 Beltwide Cotton Conferences pp. 1015 - 1016
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998