Über die Umfärbung der Raupen vonHestina japonicazu Beginn der Überwinterung, II. Pigmente der Raupen vonHestina japonicaundSasakia charonda

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Abstract
The green pigments, which accumulate in the epidermis of the green caterpillar, Hestina japonica, prior to hibernation, and the red pigment of the brown winter caterpillars, Hestina japonica and Sasakia charonda, were isolated and purified. From the chemical and physical properties, u.v.-spectra and paper chromatogra-phy, it is evident that the green pigments consist of a mixture of xan-thophylls, meso-biliverdin and [beta]-chlorophyll, and the red pigment in the brown caterpillars is dihydroxanthommatlne. The green pigments, which disappear from the epidermis of the caterpillar at the beginning of the hibernation period, have no chemical relationship to the red pigment which appears concomitantly. The red pigment in the gut of the hibernated caterpillar and in the hibernating excretion was identified as rhodommatine by paper chromatography.

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