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Articles
Sodium: Stimulus for Puddling Behavior by Tiger Swallowtail Butterflies, Papilio glaucus
1 Section of Neurobiology and Behavior, Cornell University, Ithaca, New York 14850
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.
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Science. ISSN 0036-8075 (print), 1095-9203 (online)