Mountain Argus

Mountain Argus

Aricia montensis

Daily sighting probability <5% · Rare
at Sierra de Guadarrama National Park

In 3 days ~10% in a week ~30%

7 Verified sightings at Sierra de Guadarrama National Park From 2019 to 2026
32 In all 3 parks
June Best month
☀️ Diurnal When it's spotted

About the Mountain Argus

Aricia montensis, is a species of butterfly in the family Lycaenidae. It is found in the mountains of Spain and North Africa. The larvae feed on Erodium, Helianthemum and Geranium species. Wikipedia →

Global Distribution

Parks Where Found

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

Before you go

What are the chances of seeing a Mountain Argus in Sierra de Guadarrama National Park?

Rare

Under 5% of wildlife watchers report a Mountain Argus sighting in Sierra de Guadarrama National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 416th most-seen of the 597 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Mountain Argus in Sierra de Guadarrama National Park?

June

In that month about 10% of wildlife watchers report a Mountain Argus in Sierra de Guadarrama National Park on a given day, against under 5% in July to May, the lowest months.

What time of day is best to see a Mountain Argus?

Between noon and 3 pm

Across all the parks we cover, that three-hour window holds the most Mountain 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 Sierra de Guadarrama National Park the best place to see a Mountain Argus?

3rd of 3

Of the 3 parks where we can rate Mountain Argus sightings, Sierra de Guadarrama National Park ranks 3rd at under 5%. The best odds are in Sierra Nevada National Park (Spain, about 20%) and Picos de Europa National Park (Spain, about 10%).

Where does the Mountain Argus sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Mountain Argus is recorded against all the insects logged in Sierra de Guadarrama National Park (7 verified sightings from 2019 to 2026), 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.

← Back to Sierra de Guadarrama National Park