---
title: "Western Giant Swallowtail"
description: "Heraclides rumiko — Insetti e ragni. Papilio rumiko or western giant swallowtail is a species of swallowtail butterfly."
canonical: https://animalchecklist.com/it/animal/western-giant-swallowtail
last_updated: 2026-09-20
---

# Western Giant Swallowtail

> Heraclides rumiko — Insetti e ragni. Papilio rumiko or western giant swallowtail is a species of swallowtail butterfly.

- Scientific name: *Heraclides rumiko*
- Category: `insects` (Insetti e ragni)
- Habitats: unknown
- iNaturalist observations: 22748
- Wikidata: [Q21357142](https://www.wikidata.org/wiki/Q21357142)
- iNaturalist taxon: [428606](https://www.inaturalist.org/taxa/428606)

## Names

- en: Western Giant Swallowtail
- es: Cometa gigante Común

## Countries with the most observations

US (13812), MX (5471), CR (264), HN (106), PA (96), NI (68), GT (35), BZ (24), SV (24)

## Summary

Papilio rumiko or western giant swallowtail is a species of swallowtail butterfly. It is found from the south-western United States, through Mexico, El Salvador, Honduras, Costa Rica to Panama. The northernmost record is north-eastern Colorado.
The length of the forewings is 50–58 mm. There are two maize-yellow bands on the forewings: a central band of nine spots from the apex to the basal third at the inner margin and a sub-marginal band of three to seven spots. There are several smaller maize-yellow spots near the costa at the end of the discal cell. There is a background-colored dark oval spot of variable size…

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

## Photo

![Western Giant Swallowtail](https://animalchecklist.com/img/animals/western-giant-swallowtail/medium.jpg)

Photo: Diego Blanco · CC0 · inaturalist — https://www.inaturalist.org/observations/245488596

## Machine access

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