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Evidence of a female sex pheromone in Bradysia odoriphaga (Diptera: Sciaridae)

Published online by Cambridge University Press:  02 April 2012

Hong-Jun Li ,
Xiong-Kui He ,
Ai-Jun Zeng ,
Ya-Jia Liu  and
Shu-Ren Jiang
Hong-Jun Li
Affiliation:
College of Science, China Agricultural University, Beijing 100094, People's Republic of China
Xiong-Kui He*
Affiliation:
College of Science, China Agricultural University, Beijing 100094, People's Republic of China
Ai-Jun Zeng
Affiliation:
College of Science, China Agricultural University, Beijing 100094, People's Republic of China
Ya-Jia Liu
Affiliation:
College of Science, China Agricultural University, Beijing 100094, People's Republic of China
Shu-Ren Jiang
Affiliation:
College of Science, China Agricultural University, Beijing 100094, People's Republic of China
*
1Corresponding author (e-mail: [email protected]).
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Abstract

The existence of a sex pheromone of Bradysia odoriphaga Yang and Zhang was investigated prior to the possible development of a semiochemical-based monitoring system or tools for controlling this pest. In laboratory bioassays, live virgin females stimulated 91% of males to attempt to mate. Methylene dichloride washes of whole bodies and excised ovipositors of females attracted males in olfactometer assays. These results indicate the presence of a female sex pheromone in B. odoriphaga, with the ovipositor as its possible source.

Résumé

Nous avons recherché l’existence d’une phéromone sexuelle chez Bradysia odoriphaga Yang et Zhang afin de pouvoir éventuellement mettre au point un système de surveillance basé sur les composés sémiochimiques et développer des outils de lutte contre ce ravageur. Dans des bioessais en laboratoire, les femelles vierges vivantes stimulent 91 % des mâles à tenter un accouplement. Lors de tests avec un olfactomètre, les liquides de lavages au dichlorure de méthylène de corps entiers de femelles et d’ovipositeurs disséqués attirent les mâles. Ces résultats indiquent la présence d’une phéromone sexuelle femelle chez B. odoriphaga, dont la source possible est l’ovipositeur.

[Traduit par la Rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 140 , Issue 3 , June 2008 , pp. 324 - 326
Copyright
Copyright © Entomological Society of Canada 2008

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