description Ruby-spotted Swallowtail Overview
The Ruby-spotted Swallowtail (*Papilio anchisiades*) is a butterfly species belonging to the Papilionidae family, native to regions ranging from the southern United States through Central America to South America. The insect is distinguished by its dark brown or black wings, which feature prominent, iridescent ruby-red spots on the lower portion of the hindwings. It typically inhabits open woodlands, agricultural zones, and urban gardens, frequently congregating near water or mineral deposits. The caterpillars of this species primarily feed on plants within the citrus family.
help Ruby-spotted Swallowtail FAQ
Where is the Ruby-spotted Swallowtail found?
The Ruby-spotted Swallowtail, Papilio anchisiades, occurs from the southern United States through Central America and into South America. It is a tropical and subtropical swallowtail rather than a species restricted to one country.
Why is it called the Ruby-spotted Swallowtail?
The name refers to red or ruby-colored spots on the hindwings. Its wings are otherwise dark brown or black, creating a strong contrast with the reddish markings.
What plants do Ruby-spotted Swallowtail caterpillars eat?
The larvae use citrus relatives in the rue family, including plants in the genus Citrus. This makes orange, lime, and related host plants important to the species where it occurs.
Is the Ruby-spotted Swallowtail the same butterfly as the Giant Swallowtail?
No. The Ruby-spotted Swallowtail is Papilio anchisiades, while the Giant Swallowtail is Papilio cresphontes. The Ruby-spotted species is darker and is identified by its red hindwing spots rather than the Giant Swallowtail's larger yellow pattern.
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