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Sticker of Brown argus
Bug card No. 0193 of 1,500

Brown argus

Aricia agestis
Name means: “of the field, probably a spelling mistake for the Latin word agrestis”
Eats: Nectar and pollenButterfliesGardens and meadows6 legs

The brown argus is a small butterfly from the blue family, but it is not blue at all. It is chocolate brown with a row of orange spots along the edge of each wing. It flies low over fields and grassy hills, always close to the ground.

Lives in
Europe and Asia, from Wales and Denmark to Siberia, and south to North Africa, in fields and grassy hills
Top speed
about 15 km/h (9.3 mph)
Flying, estimate
Can it hurt you?
Harmless
Harmless. It is a gentle butterfly that cannot bite or sting.
What does it eat?
Grown-ups sip nectar from flowers. The caterpillars eat plants like rock-rose, cranesbill and stork's-bill.
For real!Photo of Brown argus
Picture by Charles J. Sharp. CC BY-SA 4.0, via Wikimedia Commons.

How fast is it?

cool stuff

Fun facts

1

Its caterpillars are always looked after by ants.

2

In the daytime it rests with its wings spread open, but at night it sleeps with them closed, hidden in grass flowers.

3

The caterpillar is green and shaped a bit like a little slug.

4

It can live high in the mountains, up to about 3,000 metres.

5

In Britain it has been spreading further north in recent years.

you asked

Most asked questions about Brown argus

?Is the brown argus a blue butterfly?

Yes, it belongs to the blues family, but its wings are brown with orange spots.

?What does the brown argus caterpillar eat?

Rock-rose, cranesbill and stork's-bill plants.

?Where can you see a brown argus?

In sunny fields, grassy hills and even gardens across Europe and Asia.

For bug experts

Scientific name
Aricia agestis
Named by
Denis & Schiffermüller, 1775
Group
Butterflies
Family
Lycaenidae
Classification
Insecta > Lepidoptera > Lycaenidae
Lives on
Europe, Asia, Africa

Where the facts come from

  1. Aricia agestis (Wikipedia, CC BY-SA 4.0): what it looks like, where it lives, what it eats, sizes and fun facts, retold in simple words.
  2. Picture by Charles J. Sharp. CC BY-SA 4.0, Wikimedia Commons. The round sticker of this bug is cut from the same picture.

If we got something wrong, sorry, we are bug fans, not a science journal. Tell us at hello@bugwiki.app and we will fix it.

More from the same group: Butterflies

Also at home here: Gardens and meadows