---
title: "Pale Swallowtail"
description: "Papilio eurymedon — Insetos e aranhas. Papilio eurymedon, the pale swallowtail or pallid swallowtail, is a relatively common swallowtail butterfly found throughout much of the western North America."
canonical: https://animalchecklist.com/pt/animal/pale-swallowtail
last_updated: 2026-09-20
---

# Pale Swallowtail

> Papilio eurymedon — Insetos e aranhas. Papilio eurymedon, the pale swallowtail or pallid swallowtail, is a relatively common swallowtail butterfly found throughout much of the western North America.

- Scientific name: *Papilio eurymedon*
- Category: `insects` (Insetos e aranhas)
- Habitats: `forest` (Floresta)
- iNaturalist observations: 17689
- Wikidata: [Q138961](https://www.wikidata.org/wiki/Q138961)
- iNaturalist taxon: [55521](https://www.inaturalist.org/taxa/55521)

## Names

- en: Pale Swallowtail
- es: Mariposa Cometa golondrina pálida
- fr: Papillon laiteux

## Countries with the most observations

US (13262), CA (3621), MX (55)

## Summary

Papilio eurymedon, the pale swallowtail or pallid swallowtail, is a relatively common swallowtail butterfly found throughout much of the western North America. The species was first described by Hippolyte Lucas in 1852. It is found on the Pacific coast from northern Baja California to southernmost British Columbia, and inland to New Mexico and the Black Hills of South Dakota. It is present from the coast to western Montana, and from Wyoming to northern New Mexico. It is absent from most of Nevada and western Utah. It prefers open woodlands and forest clearings, especially near permanent bodies of water such as ponds…

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Papilio_eurymedon

## Photo

![Pale Swallowtail](https://animalchecklist.com/img/animals/pale-swallowtail/medium.jpg)

Photo: Irene · CC0 · inaturalist — https://www.inaturalist.org/observations/220613688

## Machine access

`GET https://animalchecklist.com/api/v1/animals/pale-swallowtail?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).