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THE GARDEN SAGEA library of living things
Wildlife & landscape pests · Western North Carolina field companion

Dark tiger swallowtail — species unresolved

Papilio glaucus / P. appalachiensis

Eastern Tiger Swallowtail
Eastern Tiger SwallowtailHolly

A dark swallowtail pauses among purple flowers. Western North Carolina is home to closely related tiger swallowtails, so geography makes the last step of identification more interesting.

Record
Holly’s observation · Probable identification confidence
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In the landscape.

Plants & places

Gardens near deciduous woodland. Flat Rock is the filename locality; no exact observation coordinates are available.

A sensible first response

Plant a succession of native nectar flowers and retain native hardwoods. A clear upper and underside wing photograph would help resolve the species.

When to look

Filename date: June 5. Date and mountain location alone cannot identify which tiger swallowtail species is present.

Identification

IMG_9198 shows a dark swallowtail with long tails, pale marginal spots, orange-toned hindwing markings, and faint forewing banding visible through the dark ground color. These favor a dark female tiger swallowtail.

Lookalikes & limits

The flowers obscure key wing areas. Eastern and Appalachian tiger swallowtails both have dark females; this image does not securely separate them. The filename’s Eastern Tiger Swallowtail label is retained only as the original hypothesis.

In the garden

Adult flower visitor, with a caterpillar stage tied to woody host plants. Both nectar and larval habitat matter in a wildlife garden.

Your margin of the garden.

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