Southern Brown Argus

Southern Brown Argus

Aricia cramera

Daily sighting probability <5% · Rare
at Lisbon

In 3 days ~10% in a week ~20%

12 Verified sightings at Lisbon
290 In all 5 parks From 2019 to 2026
June Best month
☀️ Diurnal When it's spotted

About the Southern Brown Argus

Aricia cramera, the southern brown argus, is a butterfly of the family Lycaenidae. It is a butterfly of Southern Europe and North Africa and can be found from Morocco and Tunisia up to Spain and Portugal, on Mediterranean islands including Menorca and on the Canary Islands.

The wingspan ranges up to 30 mm. The butterfly flies from May to September depending on the location. The larvae feed on Erodium, Helianthemum and Geranium species. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Monfragüe National Park 🇪🇸 Spain
~20%
2 Sierra Nevada National Park 🇪🇸 Spain
~20%
3 Sierra de Guadarrama National Park 🇪🇸 Spain
~20%
4 Picos de Europa National Park 🇪🇸 Spain
~20%
5 Doñana National Park 🇪🇸 Spain
~10%

Cities Where Found

# City Country Daily sighting probability
1 Barcelona 🇪🇸 Spain
~10%
2 Madrid 🇪🇸 Spain
~10%
3 Lisbon 🇵🇹 Portugal
<5%
4 Porto 🇵🇹 Portugal
<5%

Before you go

What are the chances of seeing a Southern Brown Argus in Lisbon?

Rare

Under 5% of wildlife watchers report a Southern Brown Argus sighting in Lisbon on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 243rd most-seen of the 441 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a Southern Brown Argus in Lisbon?

June

In that month about 10% of wildlife watchers report a Southern Brown Argus in Lisbon on a given day, against under 5% in July to May, the lowest months. That is one of Lisbon's driest months, with about 15 mm of rain against 95 mm in November.

What time of day is best to see a Southern Brown Argus?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Southern Brown Argus sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Lisbon the best place to see a Southern Brown Argus?

3rd of 4

Of the 4 cities where we can rate Southern Brown Argus sightings, Lisbon ranks 3rd at under 5%. The best odds are in Barcelona (Spain, about 10%) and Madrid (Spain, about 10%).

Which relatives of the Southern Brown Argus live in Lisbon?

Same family: Lycaenidae

The closest relatives of the Southern Brown Argus that you can see in Lisbon (family Lycaenidae, Gossamer-winged Butterflies) are Geranium Bronze (about 10%), Pea Blue (about 10%) and Small Copper (about 10%), with each one's daily chance of a sighting.

Where does the Southern Brown Argus sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Southern Brown Argus is recorded against all the insects logged in Lisbon (12 verified sightings), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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