Identification of 2,4-Dichlorophenol in Females of the American Dog Tick, Dermacentor variabilis (Acari: Ixodidae), and Its Possible Role as a Component of the Attractant Sex Pheromone

Peter E. Hanson; Jay A. Yoder; Jessica L. Pizzuli; Chris I. Sanders

doi:10.1603/0022-2585-39.6.945

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1 November 2002 Identification of 2,4-Dichlorophenol in Females of the American Dog Tick, Dermacentor variabilis (Acari: Ixodidae), and Its Possible Role as a Component of the Attractant Sex Pheromone

Peter E. Hanson, Jay A. Yoder, Jessica L. Pizzuli, Chris I. Sanders

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J. of Medical Entomology, 39(6):945-947 (2002). https://doi.org/10.1603/0022-2585-39.6.945

Abstract

Presence of 2,4-dichlorophenol (2,4-DCP) in extracts of fed and nonfed adult female Dermacentor variabilis (Say) by gas chromatography and mass spectroscopy (GC/MS) is reported. 2,4-DCP was detected as part of a mixture with 2,6-dichlorophenol, which is the attractant sex pheromone in this species in a 1:9 ratio, respectively. Extracts did not contain the monochlorinated phenols, 2-chlorophenol and 4-chlorophenol. None of these chlorophenols were detected in eggs. 2,4-DCP is comparable in efficacy to 2,6-DCP as an attractant sex pheromone, prompting attraction, arrestment and feeding posture behavior by fed males. It is also present in the female adult.

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Peter E. Hanson, Jay A. Yoder, Jessica L. Pizzuli, and Chris I. Sanders "Identification of 2,4-Dichlorophenol in Females of the American Dog Tick, Dermacentor variabilis (Acari: Ixodidae), and Its Possible Role as a Component of the Attractant Sex Pheromone," Journal of Medical Entomology 39(6), 945-947, (1 November 2002). https://doi.org/10.1603/0022-2585-39.6.945

Received: 15 February 2002; Accepted: 1 June 2002; Published: 1 November 2002

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