title: 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.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D000818:Animals; D005247:Feeding Behavior; D005260:Female; D007313:Insecta / Q000502:physiology*; D008297:Male; D012737:Sex Factors; D012964:Sodium
chemical_list: D000596:Amino Acids; D012964:Sodium