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      Kairomone from dandelion,Taraxacum officinale, attractant for scarab beetleAnomala octiescostata

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      Journal of Chemical Ecology
      Springer Nature

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          An amino acid derivative as the sex pheromone of a scarab beetle

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            Identification and field evaluation ofAnomala octiescostata (Coleoptera: Scarabaeidae) sex pheromone.

            Using GC-EAD, the sex pheromone of the scarab beetleAnomala octiescostata was identified to be a 8:2 binary mixture of (R,Z)-5-(-)-(oct-1-enyl)oxacyclopentan-2-one and (R,Z)-5-(-)-(dec-1-enyl)oxacyclopentan-2-one. These semiochemicals have been also reported as sex pheromone constituents of otherAnomala species, either geographically or seasonally isolated fromA. octiescostata. Synthetic sex pheromone was highly attractive in the field; 0.1 mg captured significantly more males than two virgin females. Buried traps were significantly more attractive than those positioned at 30, 90, and 150 cm above the ground. In a dose-response test (0.1-100 mg), no saturation due to overdose of pheromone was observed, but in most cases, two dosages differing by 10-fold were not significantly different. Response of males to traps baited with different ratios of the two components was tested in two experiments with randomized blocks and Latin-square designs. Deviation from the natural ratio (8:2) of sex pheromone did not significantly diminish the response of males. Peak flight activity of beetle was recorded at 9:00-10:00 AM JST on sunny days in the end of April 1993.
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              The scarab beetleAnomala albopilosa sakishimana utilizes the same sex pheromone blend as a closely related and geographically isolated species Anomala cuprea

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                Author and article information

                Journal
                Journal of Chemical Ecology
                J Chem Ecol
                Springer Nature
                0098-0331
                1573-1561
                July 1994
                July 1994
                : 20
                : 7
                : 1697-1704
                Article
                10.1007/BF02059891
                6bf2f254-3023-4921-9f04-1ef48821c9d8
                © 1994
                History

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