Abstract
Summary The outermost layer of the cuticle, the epicuticle, consists of a complex of lipids. This study compares these cuticular compounds in males versus females of the Collembola species Schoettella ununguiculata . After extraction, lipid eluted was made on a gas chromatograph with capillary column. Fifty-nine compounds were detected. Our analysis was based on the relative proportions of these compounds. Males and females appeared statistically as well-separated, non-overlapping groups. The phylogenetic usefulness and the possible role of these compounds in Collembola, which usually reproduce without direct male–female contact is discussed.
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