Sex pheromones of Thysanoplusia intermixta and T. orichalcea: identification and field tests

Thysanoplusia intermixta, which inhabits the temperate zone in Japan, is a defoliator of plants in the family Compositae, Apiaceae, and others. By GC-MS analysis, (Z)-7-dodecenyl acetate, (Z)-7-dodecen-1-ol, (5E, 7Z)-5,7-dodecadienyl acetate and (5E.7Z)-5,7-dodecadien- 1-ol were identified from a ph...

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Bibliographic Details
Published in:Journal of chemical ecology 1998-06, Vol.24 (6), p.1105-1116
Main Authors: Ando, T. (Tokyo University of Agriculture and Technology, Tokyo, Japan.), Inomata, S, Shimada, R, Nomura, M, Uehara, S, Pu, G.Q
Format: Article
Language:English
Subjects:
Animal and plant ecology
Animal, plant and microbial ecology
Animals
Autoecology
Biological and medical sciences
CHEMICAL COMPOSITION
CHEMICAL STRUCTURE
COMPOSICION QUIMICA
COMPOSITION CHIMIQUE
ESTRUCTURA QUIMICA
EXPERIMENTACION EN CAMPO
EXPERIMENTATION AU CHAMP
EXTRACTOS
EXTRACTS
EXTRAIT
FEROMONAS SEXUALES
FIELD EXPERIMENTATION
Field study
Field tests
Fundamental and applied biological sciences. Psychology
INTERSPECIFIC ATTRACTION
JAPAN
JAPON
PHEROMONE SEXUELLE
Pheromones
Protozoa. Invertebrata
SEX PHEROMONES
SINERGISMO
STRUCTURE CHIMIQUE
SYNERGISM
SYNERGISME
Synergistic effect
SYNTHETIC PHEROMONES
THYSANOPLUSIA ORICHALCEA
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Summary:Thysanoplusia intermixta, which inhabits the temperate zone in Japan, is a defoliator of plants in the family Compositae, Apiaceae, and others. By GC-MS analysis, (Z)-7-dodecenyl acetate, (Z)-7-dodecen-1-ol, (5E, 7Z)-5,7-dodecadienyl acetate and (5E.7Z)-5,7-dodecadien- 1-ol were identified from a pheromone gland extract of the virgin females in a ratio of 11:3:100:13. A lure baited only with the major diene acetate could attract male moths of T. intermixta in the field. Other minor components had a synergistic effect on the attraction of the diene acetate. The same four components were included in a very different ratio of 100:6:11:1 in the gland extract of Thysanoplusia orichalcea, a closely related subtropical species. The monoene and diene acetates are essential for field attraction, and a 100:11 mixture is an optimum lure for T. orichalcea males. However, this mixture, including the diene acetate as a minor component, captured very few T. intermixta males, suggesting the possibility that these two Thysanoplusia species are reproductively isolated from each other by pheromonal communication
ISSN:0098-0331
1573-1561
DOI:10.1023/A:1022310721190