Behavior
Eastern Tiger Swallowtails are diurnal, and are usually solitary. Adults are known to fly high above the ground, usually seen above the tree canopy. Males seek females by patrolling habitats containing the larval host plants. During courtship, the male and female fly about each other prior to landing and mating. The male releases perfume-like pheromones during courtship to entice the female into mating.
Adults use a wide range of food sources, most preferring to nectar on sturdy plants with red or pink flowers. Many members of the families Apocynaceae, Asteraceae, and Fabaceae are used as common nectar sources. Males participate in a behavior called puddling, in which they congregate on mud, damp gravel, or puddles. They extract sodium ions and amino acids from these sources which aid in reproduction. Males that puddle are typically fresh, and puddle only for their first couple of days. Females will occasionally puddle, but do not form congregations. Adults have also been seen feeding on dung, carrion, and urine.
Read more about this topic: Papilio Glaucus
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—Stella Chess (20th century)