---
title: "Saddleback Caterpillar Moth"
description: "Acharia stimulea — Insetti e ragni. The saddleback caterpillar (Acharia stimulea, formerly Sibine stimulea) is the larva of a species of moth native to eastern North America."
canonical: https://animalchecklist.com/it/animal/saddleback-caterpillar-moth
last_updated: 2026-09-20
---

# Saddleback Caterpillar Moth

> Acharia stimulea — Insetti e ragni. The saddleback caterpillar (Acharia stimulea, formerly Sibine stimulea) is the larva of a species of moth native to eastern North America.

- Scientific name: *Acharia stimulea*
- Category: `insects` (Insetti e ragni)
- Habitats: unknown
- iNaturalist observations: 10720
- Wikidata: [Q1948552](https://www.wikidata.org/wiki/Q1948552)
- iNaturalist taxon: [122228](https://www.inaturalist.org/taxa/122228)

## Names

- en: Saddleback Caterpillar Moth
- es: Polilla de oruga ensillada
- nl: Sibine stimulea

## Countries with the most observations

US (10020), MX (134), CA (70), GT (9), CR (4), BZ (3), HN (3)

## Summary

The saddleback caterpillar (Acharia stimulea, formerly Sibine stimulea) is the larva of a species of moth native to eastern North America. It is also found in Mexico. The species belongs to the family of slug caterpillars, Limacodidae.
The larva (caterpillar) is primarily green with brown at both ends and a prominent white-ringed brown dot in the center which resembles a saddle. It has a pair of fleshy horns at both ends. These and most of the rest of the body bear urticating hairs that secrete an irritating venom. Contact with the hairs causes a painful, swollen rash and sometimes nausea in humans. In some cases…

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

## Photo

![Saddleback Caterpillar Moth](https://animalchecklist.com/img/animals/saddleback-caterpillar-moth/medium.jpg)

Photo: Mirko Schoenitz · CC0 · inaturalist — https://www.inaturalist.org/observations/133803883

## Machine access

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