---
title: "Silver-studded Blue"
description: "Plebejus argus — Insects & spiders. The silver-studded blue (Plebejus argus) is a butterfly in the family Lycaenidae."
canonical: https://animalchecklist.com/animal/silver-studded-blue
last_updated: 2026-09-20
---

# Silver-studded Blue

> Plebejus argus — Insects & spiders. The silver-studded blue (Plebejus argus) is a butterfly in the family Lycaenidae.

- Scientific name: *Plebejus argus*
- Category: `insects` (Insects & spiders)
- Habitats: `grassland` (Fields & meadows)
- iNaturalist observations: 24265
- Wikidata: [Q926992](https://www.wikidata.org/wiki/Q926992)
- iNaturalist taxon: [57484](https://www.inaturalist.org/taxa/57484)

## Names

- en: Silver-studded Blue
- de: Argus-Bläuling
- es: Niña Hocecillas
- fr: Azuré de l'ajonc
- nl: Heideblauwtje
- pl: Modraszek argus

## Countries with the most observations

RU (3016), FR (1253), UA (1195), DE (1113), IT (1105), HU (1052), GB (1044), CZ (804), AT (687), FI (634), ES (595), BG (455)

## Summary

The silver-studded blue (Plebejus argus) is a butterfly in the family Lycaenidae. It has bright blue wings rimmed in black with white edges and silver spots on its hindwings, lending it its name. P. argus can be found across Europe and east across the Palearctic, but it is most often studied in the United Kingdom where the species has experienced a severe decline in population due to habitat loss and fragmentation.
P. argus engages in mutualism with ants that contribute to the butterflies' reproductive fitness by providing protection from predation and parasitism from the point of egg laying to their emergence as…

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

## Photo

![Silver-studded Blue](https://animalchecklist.com/img/animals/silver-studded-blue/medium.jpg)

Photo: Paul Bernstorff Ehrman · CC0 · inaturalist — https://www.inaturalist.org/observations/297257890

## Machine access

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