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Field Response of Feral Male Banded Cucumber Beetles to the Sex Pheromone 6,12-Dimethylpentadecan-2-One

J. M. Schalk, J. R. McLaughlin and J. H. Tumlinson
The Florida Entomologist
Vol. 73, No. 2 (Jun., 1990), pp. 292-297
DOI: 10.2307/3494814
Stable URL: http://www.jstor.org/stable/3494814
Page Count: 6
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Field Response of Feral Male Banded Cucumber Beetles to the Sex Pheromone 6,12-Dimethylpentadecan-2-One
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Abstract

Capture of male banded cucumber beetles Diabrotica balteata LaConte in sex pheromone-baited traps or in virgin female baited traps peaked at the beginning of the scotophase (2100-2200h) and declined thereafter. Virgin females (1 or 2) were not as effective as the racemic synthetic sex pheromone (0.5mg/septum) in attracting males, the most efficient design of capturing males was the Sentry wing trap and no differences in captures were found among traps placed 25.4, 50.8 or 101.6cm from the ground. Field tests showed that a rubber septum bait containing 0.5mg of the pheromone was attractive to males for a 12 month period and high captures occurred in August and September. Males were collected in pheromone traps from October through February in Charleston, SC. /// La captura de machos del escarabajo Diabrotica balteata LeConte en trampas cebadas con feromonas sexuales o en trampas cebadas con hembras vírgenes, tuvo el auge al comienzo de la escotofase (2100-2200h) y después declinó. Hembras vírgenes (1 ó 2) no fueron tan efectivas en atraer machos como la feromona sexual sintética racémica (0.5mg/septum). El diseño más efectivo para capturar machos fué la trampa de ala Sentry, y no hubo diferencia en la captura entre trampas puestas a 25.4, 50.8, o a 101.6 cm del suelo. Pruebas de campo demostraron que la trampa cebada con septum de goma conteniendo 0.5 mg de la feromona, fue atractiva para los machos por un período de 12 meses, ocurriendo muchas capturas en Agosto y Septiembre. Se colectaron machos en trampas de feromona de Octubre a Febrero en Charleston, SC.

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