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Identification of the white peach scale sex pheromone

An illustration of micro techniques

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Abstract

Micro techniques were used to obtain spectroscopic and degradative information from less than 5μg of the sex attractant of female white peach scale,Pseudaulascaspis pentagons (Targioni-Tozzetti) isolated from airborne collections. The pheromone was identified as (Z)-3,9-dimethyl-6-isopropenyl-3,9-decadien-1-ol propionate. Both enantiomers of theZ isomer and also the enantiomers of theE isomer were prepared from (R)-or (S)-limonene. Bioassays of material with minimum enantiomeric purity of 95% showed that at extreme dilution only theR,Z isomer attracted male white peach scale; however activity of theS,Z enantiomer could not be completely excluded.

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Authors and Affiliations

  1. Insect Attractants, Behavior, and Basic Biology Research Laboratory, Agricultural Research, Science and Education Administration, USDA, Box 14565, 32604, Gainesville, Florida

    R. R. Heath, J. R. McLaughlin, J. H. Tumlinson, T. R. Ashley & R. E. Doolittle

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  1. R. R. Heath
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  2. J. R. McLaughlin
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  3. J. H. Tumlinson
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  4. T. R. Ashley
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  5. R. E. Doolittle
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Mention of a commercial or proprietary product in this paper does not constitute an endorsement of that product by the USDA.

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Heath, R.R., McLaughlin, J.R., Tumlinson, J.H. et al. Identification of the white peach scale sex pheromone. J Chem Ecol 5, 941–953 (1979). https://doi.org/10.1007/BF00990217

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  • DOI: https://doi.org/10.1007/BF00990217

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