---
title: "Western Pygmy-Blue"
description: "Brephidium exilis — Insekten & Spinnen. The western pygmy blue (Brephidium exilis or Brephidium exile) is one of the smallest butterflies in the world and the smallest in North America."
canonical: https://animalchecklist.com/de/animal/western-pygmy-blue
last_updated: 2026-09-20
---

# Western Pygmy-Blue

> Brephidium exilis — Insekten & Spinnen. The western pygmy blue (Brephidium exilis or Brephidium exile) is one of the smallest butterflies in the world and the smallest in North America.

- Scientific name: *Brephidium exilis*
- Category: `insects` (Insekten & Spinnen)
- Habitats: unknown
- iNaturalist observations: 20801
- Wikidata: [Q2248127](https://www.wikidata.org/wiki/Q2248127)
- iNaturalist taxon: [53843](https://www.inaturalist.org/taxa/53843)

## Names

- en: Western Pygmy-Blue
- es: Mariposa Azul pigmea

## Countries with the most observations

US (17065), MX (2864), AE (119), IL (30), KW (23), OM (23), CU (15), JM (11), SA (9), BH (8), KY (8), DO (7)

## Summary

The western pygmy blue (Brephidium exilis or Brephidium exile) is one of the smallest butterflies in the world and the smallest in North America. It has reached Hawaii, as well as the Persian Gulf, including Kuwait, eastern Saudi Arabia, Bahrain and the United Arab Emirates.

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

## Photo

![Western Pygmy-Blue](https://animalchecklist.com/img/animals/western-pygmy-blue/medium.jpg)

Photo: Jesse Rorabaugh · CC0 · inaturalist — https://www.inaturalist.org/observations/3068331

## Machine access

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