Überlebenskünstler Zitronenfalter

Unter freiem Himmel verbringt der Zitronenfalter die Wintermonate - unbeeindruckt von Eis und Schnee. Die Natur hat sich für den Schmetterling etwas Besonderes einfallen lassen: Er verfügt über eingelagertes Glyzerin und damit über ein körpereigenes Frostschutzmittel.

von Christa Vogl

Nur die Männchen der Zitronenfalter tragen das auffallend strahlend gelbe Kleid. Die Weibchen sind blass und weißlich-grün gefärbt und werden deswegen oft auch mit dem Kohlweißling verwechselt.

Bild: E. Vogl/exb

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Erwin Möhrlein: "Der Zitronenfalter hat ein körpereigenes Frostschutzmittel. Durch dieses eingelagerte Glycerin wird ein Gefrieren der Körperflüssigkeit verhindert." Bild: privat

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