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Science. 1974 Jul 26;185(4148):372-4.

Sodium: stimulus for puddling behavior by tiger swallowtail butterflies, Papilio glaucus.

Abstract

Male Papilio glaucus butterflies are attracted to sand soaked with dillute aqueous solutions of sodium salts. A sodium ion concentration of 10(-3) molar is sufficient to stimulate puddling behavior. Acqlisition of sodiumn mnay be the main ecological function of pudding behavior.

PMID:
4834370
[PubMed - indexed for MEDLINE]
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