---
title: "Milbert's Tortoiseshell"
description: "Aglais milberti — Insectos y arañas. Aglais milberti, the fire-rim tortoiseshell or Milbert's tortoiseshell, is considered the only species of the proposed Aglais genus that occurs in North America."
canonical: https://animalchecklist.com/es/animal/milbert-s-tortoiseshell
last_updated: 2026-09-20
---

# Milbert's Tortoiseshell

> Aglais milberti — Insectos y arañas. Aglais milberti, the fire-rim tortoiseshell or Milbert's tortoiseshell, is considered the only species of the proposed Aglais genus that occurs in North America.

- Scientific name: *Aglais milberti*
- Category: `insects` (Insectos y arañas)
- Habitats: unknown
- iNaturalist observations: 12872
- Wikidata: [Q1956778](https://www.wikidata.org/wiki/Q1956778)
- iNaturalist taxon: [68269](https://www.inaturalist.org/taxa/68269)

## Names

- en: Milbert's Tortoiseshell
- fr: Petite vanesse

## Countries with the most observations

CA (7256), US (5305), PM (9)

## Summary

Aglais milberti, the fire-rim tortoiseshell or Milbert's tortoiseshell, is considered the only species of the proposed Aglais genus that occurs in North America.  It is one of two tortoiseshell butterflies in North America.  The other species is the nymphata californica or California Tortoiseshell (California tortoiseshell). 
The data is muddled on the range of the two recognized tortoiseshell species.  Similar species distributions exist and have separate migration patterns for other butterflies with the same geographical ranges.   
Western monarchs, for example, migrate between southern BC, coastal CA and Pacific…

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

## Photo

![Milbert's Tortoiseshell](https://animalchecklist.com/img/animals/milbert-s-tortoiseshell/medium.jpg)

Photo: Kim Selbee · CC0 · inaturalist — https://www.inaturalist.org/observations/375919324

## Machine access

`GET https://animalchecklist.com/api/v1/animals/milbert-s-tortoiseshell?lang=es` — see [openapi.json](https://animalchecklist.com/openapi.json).