Laeosopis roboris
In 3 days ~30% in a week ~60%
Laeosopis is a monotypic butterfly genus in the family Lycaenidae. Its only species is Laeosopis roboris, the Spanish purple hairstreak, which is found on the Iberian Peninsula and south-eastern France. The wingspan is 12–15 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Monfragüe National Park | 🇪🇸 Spain | |
| 2 | Aigüestortes National Park | 🇪🇸 Spain | |
| 3 | Picos de Europa National Park | 🇪🇸 Spain | |
| 4 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 5 | Pyrénées National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Spanish Purple Hairstreak sighting in Sierra de Guadarrama National Park on a given day, based on 81 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 58th most-seen of the 597 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
June
In that month about 30% of wildlife watchers report a Spanish Purple Hairstreak in Sierra de Guadarrama National Park on a given day, against under 5% in August to May, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Spanish Purple Hairstreak sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
4th of 5
Of the 5 parks where we can rate Spanish Purple Hairstreak sightings, Sierra de Guadarrama National Park ranks 4th at about 10%. The best odds are in Monfragüe National Park (Spain, about 20%), Aigüestortes National Park (Spain, about 20%) and Picos de Europa National Park (Spain, about 10%).
Same family: Lycaenidae
The closest relatives of the Spanish Purple Hairstreak that you can see in Sierra de Guadarrama National Park (family Lycaenidae, Gossamer-winged Butterflies) are Small Copper (about 30%), Southern Brown Argus (about 20%) and Iberian Sooty Copper (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Spanish Purple Hairstreak is recorded against all the insects logged in Sierra de Guadarrama National Park (81 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.
