Abstract

Three compounds have been identified in the abdominal tip extracts from the female leopard moth,Zeuzera pyrina L. Gas-liquid chromatography and mass spectroscopy data showed that (E, Z)-2, 13-octadecadien-1-ol acetate was the main component and that (Z)-13-octadecen-1-ol acetate and octadecan-1-ol acetate were secondary components. The electroanten-nographic responses of maleZ. pyrina to nanogram amounts of all four 2, 13-octadecadien-1-ol acetate isomers indicated that theE, Z isomer had the maximum activity. A strong EAG response was also recorded for (Z)-7-do-decen-1-ol acetate, which was not detected in the female extracts.

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