Arms K, Feeny P, Lederhouse R C
Science. 1974 Jul 26;185(4148):372-4. doi: 10.1126/science.185.4148.372.
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.
雄性北美大黄凤蝶会被浸泡在钠盐稀水溶液中的沙子所吸引。钠离子浓度为10的负3次方摩尔就足以刺激其舐吸行为。获取钠可能是舐吸行为的主要生态功能。