Role of solid-phase microextraction in the identification of highly volatile pheromones of two Rhinoceros beetles Scapanes australis and Strategus aloeus (Coleoptera, Scarabaeidae, Dynastinae)

Rochat Didier, Ramirez-Lucas Olga Pamela, Malosse Christian, Aldana Rosa, Kakul Titus, Morin Jean-Paul. 2000. Role of solid-phase microextraction in the identification of highly volatile pheromones of two Rhinoceros beetles Scapanes australis and Strategus aloeus (Coleoptera, Scarabaeidae, Dynastinae). Journal of Chromatography A, 885 (1-2) : 433-444.

Résumé : Solid-phase microextraction (SPME) samplings from live insects or natural secretion allowed one to identify the aggregation pheromones of the pest beetles Scapanes australis and Strategus aloeus by efficient and rapid isolation of their highly volatile (72<M,<116) components. S. australis male pheromone was identified as a 84:12:4 (w/w) mixture of 2-butanol [67:33 (R)-(-):(S)-(+) ratio], 3-hydroxy-2-butanone and 2,3-butanediol [43:17:40 (R,R)-(-):(S,S)-(+):meso ratio], and S. aloeus pheromone as a 95.5:4.0:0.5 (w/w) mixture of 2-butanone, 3-pentanone and sec.-butyl acetate by GC-MS using conventional and chiral capillary columns. This is the first report of Scarabaeidae pheromones based on such small and common molecules.

Classification Agris : H10 - Ravageurs des plantes

Auteurs et affiliations

• Rochat Didier, INRA (FRA)
• Ramirez-Lucas Olga Pamela, CIRAD-CP-COCOTIER (FRA)
• Malosse Christian, INRA (FRA)
• Aldana Rosa, CENIPALMA (COL)
• Kakul Titus, CCRI [Cocoa and Coconut Research Institute] (PNG)
• Morin Jean-Paul, CIRAD-CP-COCOTIER (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/475311/)

Métriques

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