2,6-Dichilorophenol, Sex Pheromone of the Lone Star Tick

Science  25 Aug 1972:
Vol. 177, Issue 4050, pp. 704-705
DOI: 10.1126/science.177.4050.704


The compound 2,6-dichlorophenol was identified from female lone star ticks, Amblyomma americanum, and is believed to be a sex pheromone of this arthropod. The natural occurrence of a chlorinated organic compound in a land animal is new. The presence of similar compounds of exogenous origin is common in animals, but efforts to implicate an outside source for the halogenated phenol have failed.

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