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Effect of release rate and enantiomeric composition on response to pheromones of Megaplatypus mutatus (Chapuis) in poplar plantations of Argentina and Italy

Published online by Cambridge University Press:  17 April 2013

Hernán Funes ,
Eduardo Zerba  and
Paola Gonzalez-Audino
Hernán Funes
Affiliation:
Centro de Investigaciones de Plagas e Insecticidas. JB de La Salle 4397, (B1603ALO) Villa Martelli, Provincia de Buenos Aires, Argentina
Eduardo Zerba
Affiliation:
Centro de Investigaciones de Plagas e Insecticidas. JB de La Salle 4397, (B1603ALO) Villa Martelli, Provincia de Buenos Aires, Argentina 3IA, Universidad de General San Martín. Av. 52, Nro. 3563, (1650) San Martín, Provincia de Buenos Aires, Argentina
Paola Gonzalez-Audino*
Affiliation:
Centro de Investigaciones de Plagas e Insecticidas. JB de La Salle 4397, (B1603ALO) Villa Martelli, Provincia de Buenos Aires, Argentina 3IA, Universidad de General San Martín. Av. 52, Nro. 3563, (1650) San Martín, Provincia de Buenos Aires, Argentina
*
*Author for correspondence Phone/Fax: 54-11-47095334 E-mail: pgonzalezaudino@citedef.gob.ar
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Abstract

Megaplatypus mutatus (=Platypus sulcatus Chapuis) is an Ambrosia beetle native to South America, which was recently introduced in Italy and its presence there is causing severe damage to the local poplar plantations. The male M. mutatus pheromone is composed of (S)-(+)-6-methyl-5-hepten-2-ol [(+)-sulcatol], 6-methyl-5-hepten-2-one (sulcatone) and 3-pentanol. A series of field trials testing dose, blend and enantiomer composition performed in Argentina and Italy evaluated attraction and found that the optimal release rate of pheromone components as baits in cross vane baited traps (CIPEIN-CV) was 6, 6 and 30 mg day−1 of sulcatone, (+)-sulcatol and 3-pentanol, respectively. It was also determined that racemic sulcatol is as effective as the pure (+)-isomer for the purpose of beetle catch, due to the inert nature of the (−)-isomer allowing the usage of low cost racemic sulcatol instead of highly expensive (+)-sulcatol. The results of our work contribute to the development of pheromone-based local technologies with low environmental impact and low cost for control or monitoring of an important pest.

Keywords

Megaplatypus mutatuspheromone(+)-sulcatolsulcatone3-pentanoltrap efficiency
Type
Research Paper
Information
Bulletin of Entomological Research , Volume 103 , Issue 5 , October 2013 , pp. 564 - 569
Copyright
Copyright © Cambridge University Press 2013 

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