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ISSN : 1225-0171(Print)
ISSN : 2287-545X(Online)
Korean Journal of Applied Entomology Vol.64 No.4 pp.243-248
DOI : https://doi.org/10.5656/KSAE.2025.09.0.035

Identification and Field Bioassays of the Sex Pheromone of Syllepte pallidinotalis (Lepidoptera: Crambidae)

Chang Yeol Yang*, Jung Beom Yoon, Rok Yeon Hwang, Kyung-Hee Choi
National Institute of Horticultural and Herbal Science, Rural Development Administration, Wanju 55365, Korea

Abstract

We studied the sex pheromone system of Syllepte pallidinotalis (Hampson) (Lepidoptera: Crambidae), a grape pest found in Korea and Japan. Gas chromatography-mass spectrometry (GC-MS) analysis of female pheromone gland extracts identified three components: (10E,12Z)-hexadeca-10,12-dienal (E10,Z12-16:Ald), (11E)-hexadeca-11-enal (E11-16:Ald), and (10E,12E)-hexadeca-10, 12-dienal (E10,E12-16:Ald), at a ratio of 100:5:4. Field trapping tests with various blends of synthetic compounds showed that the major compound, E10,Z12-16:Ald, alone did not attract male S. pallidinotalis. E10,Z12-16:Ald and E11-16:Ald were essential for attraction, and male catches were similar across a wide range of ratios of these two compounds. The addition of another glandular component, E10,E12-16:Ald, did not affect male capture in the primary binary blend. Therefore, a synthetic mixture of E10,Z12-16:Ald and E11- 16:Ald at a natural ratio (100:5) represents an effective tool for the monitoring and control of S. pallidinotalis.

초록

Vol. 40 No. 4 (2022.12)

Journal Abbreviation Korean J. Appl. Entomol.
Frequency Quarterly
Doi Prefix 10.5656/KSAE
Year of Launching 1962
Publisher Korean Society of Applied Entomology
Indexed/Tracked/Covered By