Abstract
Abstract:Pure (2R)‐butyl (7Z)‐tetradecenoate, as well as racemic 2‐butyl (7Z)‐tetradecenoate, in a dose of 100 μg (calculated for the active (2R)‐enantiomer) applied onto serum bottle caps of grey rubber, were an effective pheromone bait for Theresimima ampellophaga (Bayle‐Barelle, 1808) (Lepidoptera: Zygaenidae: Procridinae). This bait remained active for longer than one full flight of the pest in the regions with one generation per year. Colourless transparent as well as red and yellow sticky traps were the cheapest and most simple design for trapping T. ampellophaga, while green and blue traps performed worse. Among the traps tested, VARL (CSALOMON®) funnel traps had the highest capture ability for the pest. Traps had to be mounted at least 1.0–2.0 m above ground level. T. ampellophaga males flew to a source of sex pheromone all day long with a main peak between 07.00 and 09.00 hours and a much smaller one between 19.00 and 21.00 hours.
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