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#2422 · 🦋 butterflies & moths

Brown Argus

🇳🇱 Bruin blauwtje ·Aricia agestis

🦋 Butterflies & moths 📍 in the Netherlands
Brown Argus, photo 1 of 10
1/10 © Julien Renoult · CC BY 4.0

what is it?

Aricia agestis , the brown argus , is a butterfly in the family Lycaenidae. It is found throughout the Palearctic ecozone north to northern Jutland (Denmark) and east to Siberia and Tian Shan.

base stats

  • NL sightings 647iNaturalist, research grade
  • worldwide 27,832iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 647 times in the Netherlands on iNaturalist: the #38 most seen of the butterflies & moths in NL.
  • 27,832 observations worldwide on iNaturalist.
  • Scientifically named by Ignaz Schiffermüller in 1775 (251 years ago).

fact sheet

English
Brown Argus
Nederlands
Bruin blauwtje
scientific name
Aricia agestis
class
Insecta
order
Lepidoptera
family
Lycaenidae
sightings in NL
647
sightings in Europe
21,014
sightings worldwide
27,832
GBIF records in NL
83,817
weight
—
length
—
lifespan
—
named
1775 by Ignaz Schiffermüller

relatives· Lycaenidae

Sources: iNaturalist taxon 125494, Wikidata Q1294181, GBIF 1933095, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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