Apple ermine moth, Yponomeuta malinellus Zeller: two components of female sex pheromone gland highly effective in field trapping tests

When electroantennographic responses of male Yponomeuta malinellus Zeller to model compounds were determined at dosages of 0.3-30 ng, the strongest responses were obtained from (Z)-9-dodecen-1-ol acetate (Z9-12:Ac). Also, strong responses were obtained from (Z)-11-tetradecenal (Z11-14:Al) and (Z)-11...

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Bibliographic Details
Published in:Journal of chemical ecology 1990-02, Vol.16 (2), p.477-486
Main Authors: McDonough, L.M. (Yakima Agricultural Research Laboratory, ARS, Yakima, WA), Davis, H.G, Smithhisler, C.L, Voerman, S, Chapman, P.S
Format: Article
Language:English
Subjects:
attractancy
Biological and medical sciences
Chemical control
Control
electroantennograms
ENSAYO
EXTRACTOS
EXTRAIT
FEROMONAS
Fundamental and applied biological sciences. Psychology
Lepidoptera
PHEROMONE
pheromone traps
Phytopathology. Animal pests. Plant and forest protection
Protozoa. Invertebrates
SEXE
SEXO
TESTAGE
traps
WASHINGTON
YPONOMEUTA
Yponomeuta malinellus
Yponomeutidae
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Summary:When electroantennographic responses of male Yponomeuta malinellus Zeller to model compounds were determined at dosages of 0.3-30 ng, the strongest responses were obtained from (Z)-9-dodecen-1-ol acetate (Z9-12:Ac). Also, strong responses were obtained from (Z)-11-tetradecenal (Z11-14:Al) and (Z)-11-tetradecen-1-ol (Z11-14:OH). At a dosage of 0.3 ng, Z11-14:Al produced a stronger response than Z11-14:OH, while at a dosage of 30 ng, Z11-14:OH and Z11-14:Al produced equal responses. Gas chromatographic and mass spectral analysis of extracts of female sex pheromone glands showed the presence of Z9-12:Ac, tetradecan-1-ol (14:OH), (E)-11-tetradecen-1-ol (E11-14:OH), Z11-14:OH, hexadecan-1-ol, and hexadecan-1-ol acetate in a ratio of 0.6:200:37:100:140:35. In field tests, Z9-12:Ac and Z11-14:OH together were required for trap catch, and addition of Z11-14:Al, E11-14:OH, 14:OH, or (Z)-11-tetradecen-1-ol acetate did not increase catch. Ratios in rubber septa of 0.5:99.5 to 1.5:98.5 (Z9-12:Ac/Z11-14:OH) captured the most males and captures were statistically equivalent for dosages of 10-1000 microgram/rubber septum. Traps baited with the synthetic lure produced better catches than those baited with females
ISSN:0098-0331
1573-1561
DOI:10.1007/BF01021779