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Novel type of sex pheromone structure identified from Stigmella malella (Stainton) (Lepidoptera: Nepticulidae) Naturalis
Tóth, M.; Szöcs, G.; Nieukerken, E.J. van; Philipp, P.; Schmidt, F.; Francke, W..
Short-chain unsaturated chiral methyl carbinols are identified as a new class of lepidopteran pheromone components. The natural female-produced pheromone of the banded apple pigmyStigmella malella (=Nepticula malella) (Stainton) (Lepidoptera: Nepticulidae) was identified to be a mixture of (S)-(E)-6,8-nonadien-2-ol and (S)-(Z)-6,8-nonadien-2-ol. For monitoring traps, a 10:3E:Z blend at 100–1000 µg is recommended. It is suggested that pheromones with similar structures may be specific to Nepticulidae and other related microlepidopteran families.
Tipo: Article / Letter to the editor Palavras-chave: Stigmella malella Stigmella crataegella Trifurcula (Glaucolepis) melanoptera Lepidoptera Nepticulidae sex pheromone (S)-(E)-6; 8-nonadien-2-ol (S)-(Z)-6; 8-nonadien-2-ol (R)-(E)-6; 8-nonadien-2-ol (R)-(Z)-6; 8-nonadien-2-ol 42.75.
Ano: 1995 URL: http://www.repository.naturalis.nl/record/365062
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Identification of the Female-Produced Sex Pheromone of Tischeria ekebladella, an Oak Leafmining Moth Naturalis
Molnár, B.P.; Tröger, A.; Toshova, T.B.; Subchev, M.; Nieukerken, E.J. van; Kosten, J.C.; Muus, T.S.T.; Schreurs, A.; Szőcs, G.; Tóth, M.; Francke, W..
The native leafmining moth Tischeria ekebladella (Lepidoptera: Tischeriidae) feeds on oaks and recently has become a pest of silviculture and urban green areas in central Europe. The behavioral responses of male moths to hexane extracts of whole bodies of calling females or males were tested under laboratory conditions. Only extracts of females elicited responses from males. Analysis of extracts by coupled gas chromatography/electroantennographic detection revealed the presence of two electroantennogramactive peaks. Structure elucidation of these compounds, by gas-chromatography/mass spectrometry and independent synthesis revealed them to be (3Z,6Z,9Z)-tricosa-3,6,9-triene and (3Z,6Z,9Z,19Z)-tricosa-3,6,9,19-tetraene. While the triene was present in both...
Tipo: Article / Letter to the editor Palavras-chave: Sex pheromone (3Z; 6Z; 9Z; 19Z)-tricosa-3; 6; 9; 19-tetraene (3Z; 6Z; 9Z)- tricosa-3; 6; 9-triene Tischeria oak leaf miner GC-EAD field trapping early diverging Lepidoptera insect pest 42.75.
Ano: 2012 URL: http://www.repository.naturalis.nl/record/433360
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