Identification of the Male Oriental Fruit Fly Attractant in the Golden Shower Blossom1

Abstract

An attractant of the oriental fruit fly, Dacus dorsalis Hendel, present in the blossom of the golden shower, Cassia fistula L., was isolated by steam distillation, followed by extraction with chloroform, and purified by preparative gas chromatography. The compound was identified as methyleugenol by infrared and ultraviolet spectrophotometry.