We report here the identification and behavioral activity of volatile compounds emitted by male Platypus mutatus (=sulcatus) Chapuis while boring galleries in living poplar, Populus deltoides Marshall, trees. Headspace analysis using solid phase microextraction techniques showed the presence of 6-methyl-5-hepten-2-ol (sulcatol) and 6-methyl-5-hepten-2-one (sulcatone). Only one enantiomer of sulcatol, retusol, was found to be part of the volatile emission. Behavioral assays showed that females are more attracted than males to galleries with boring males inside. Both sulcatol and sulcatone elicited electroantennographic responses by female P. mutatus. Furthermore, behavioral bioassays showed that both sulcatol and sulcatone elicit behaviorally attractive responses by females. These results suggest that male P. mutatus releases a sex pheromone composed mainly of retusol and sulcatone.
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Bull Entomol Res
October 2013
Centro de Investigaciones de Plagas e Insecticidas. JB de La Salle 4397, (B1603ALO) Villa Martelli, Provincia de Buenos Aires, Argentina.
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.
View Article and Find Full Text PDFJ Chem Ecol
November 2008
Centro de Investigaciones de Plagas e Insecticidas, J. B. de La Salle 4397, (B1603ALO) Villa Martelli, Provincia de Buenos Aires, Argentina.
Megaplatypus mutatus (=Platypus mutatus) (Coleoptera: Platypodidae) is an ambrosia beetle that is native to South America. It attacks only standing live trees and causes severe stem breakage and death in commercial poplar (Populus) plantations. Previous work showed that male M.
View Article and Find Full Text PDFNeotrop Entomol
June 2007
Seção de Fisiologia e Bioquímica de Plantas, Instituto de Botânica de São Paulo, São Paulo, SP, 01061-970, Brazil.
The hardwood of Caesalpinia echinata Lam. (brazilwood, Pernambuco, ibirapitanga) is currently the most profitable material used for violin bow due to the unique vibrational properties and dimensional stability. Although this species is resistant to the wood decay caused by termites and rot fungi, an experimental plantation in Southeastern Brazil has been attacked by the ambrosia beetle Platypus mutatus Chapuis (= Megaplatypus mutatus and P.
View Article and Find Full Text PDFJ Econ Entomol
October 2005
Centro de Investigaciones de Plagas e Insecticidas (CITEFA-CONICET), J-B. De LaSalle 4397 (B1603ALO), Buenos Aires, Argentina.
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