Abstract
Female sex pheromones have been used in pest control since the 90s; attracting males to baited traps (mass-trapping and monitoring) or avoiding (or reducing) mating in fields under mating disruption. By contrast, little is done among the use of male sex pheromones in pest control. Allyl cinnamate was evaluated as potential oriental fruit moth (Grapholita molesta, Busck) (Lepidoptera: Tortricidae) behaviour modifier, after recording positive electroantenographical responses in both male and female moths. Females over-responded in front of sources of allyl cinnamate at short distances, and both male and female showed typical pre-mating behavioural responses at mid-distances (in a wind tunnel). Males responded showing its hair-pencils and wing fanning and females started with wing fanning, curling abdomen and locating postion opposite the source of allyl cinnamate. The same effect was observed in front of trans-ethylcinnamate, the main component of G. molesta male sex pheromone. Results here indicate a putative role of male sex pheromones (or chemically related compounds as allyl cinnamate) in oriental fruit moth integrated pest control. Understanding the role of male sex pheromones and chemically related compounds could help in the development of new pest control strategies. Key words: Electroantennography (EAG), male sex pheromone, allyl ester, trans-ethyl cinnamate, wind-tunnel, behaviour modifier.
Highlights
Anttenna elicitat e tion an nd behaviora al respo onses of oriiental fruit f moth, m
The increase of moth activity conducted up to moth exhaustion; reflected by mortality observed in front of allyl cinnamate (100%) compared to controls (< 10 %)
Antenna elicitation by allyl cinnamate was independent of the state of mating, as previously observed in C. pomonella and L
Summary
Anttenna elicitat e tion an nd behaviora al respo onses of oriiental fruit f moth, m. Allyl cinnam mate was evaluated as a potential oriental o fruit moth m (Grapholita molesta a, Busck) Tortricidae) b behaviour modifier, affter recordin ng positive electroanten e nographical responses iin both male e and female moths. Females ov ver-responde ed in front of o sources of o allyl cinna amate at sho ort distances s, and both m male and female sho owed typical pre-mating behavioural responses s at mid-disttances (in a wind tunne el). Res sults here indicate a putative p role of male sex x pheromone es (or chemiically related d compound ds as allyl cinnamate) in oriental fruit moth integrated i pest p control. Understand ding the role of male s sex pheromo ones and chemically related compounds coulld help in the e developme ent of new pe est control sttrategies
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