---
title: "Acmon Blue"
description: "Icaricia acmon — Insetos e aranhas. Icaricia acmon, the Acmon blue, is a North American butterfly."
canonical: https://animalchecklist.com/pt/animal/acmon-blue
last_updated: 2026-09-20
---

# Acmon Blue

> Icaricia acmon — Insetos e aranhas. Icaricia acmon, the Acmon blue, is a North American butterfly.

- Scientific name: *Icaricia acmon*
- Category: `insects` (Insetos e aranhas)
- Habitats: `grassland` (Campos e prados), `desert` (Deserto)
- iNaturalist observations: 19379
- iNaturalist taxon: [520456](https://www.inaturalist.org/taxa/520456)

## Names

- en: Acmon Blue
- es: Mariposa sedosa azul de California

## Countries with the most observations

US (15440), MX (39)

## Summary

Icaricia acmon, the Acmon blue, is a North American butterfly. It ranges mainly in California and Oregon but can also be seen in southwestern Canada and in the Great Plains Region of the United States, with a total range of about 2,500,000 square km. Because of the breadth of its range, it occurs in several different habitats, such as grasslands, fields, shrub lands, forests, and deserts. Acmon blue was discovered by Pierre Lorquin in 1850, while he visited California during the Gold Rush. It is believed that Acmon Blue was discovered in the San Francisco area.
Wingspan is between the range of 17-30 mm. The tops of…

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

## Photo

![Acmon Blue](https://animalchecklist.com/img/animals/acmon-blue/medium.jpg)

Photo: Sue Elwell · CC0 · inaturalist — https://www.inaturalist.org/observations/237394749

## Machine access

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