Melitaea diamina
In 3 days ~70% in a week >90%
Melitaea diamina, the false heath fritillary, is a butterfly of the family Nymphalidae. These butterflies live in damp flowery meadows, woodland margins and rides from low to alpine levels up to 2200 m. Melitaea diamina has a wingspan of 36–42 mm. Females are larger than males. This medium-sized species is highly variable in extent of black markings and in the diversification of ground colour on the upperside of the wings. The upper side of the wings usually is black brown, with yellowish-orange ground colour... Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Vanoise National Park | 🇫🇷 France | |
| 2 | Mercantour National Park | 🇫🇷 France | |
| 3 | Ecrins National Park | 🇫🇷 France | |
| 4 | Aigüestortes National Park | 🇪🇸 Spain | |
| 5 | Ordesa y Monte Perdido National Park | 🇪🇸 Spain | |
| 6 | Pyrénées National Park | 🇫🇷 France | |
| 7 | Triglav National Park | 🇸🇮 Slovenia | |
| 8 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 9 | Cévennes National Park | 🇫🇷 France |
Likely
About 40% of wildlife watchers report a False Heath Fritillary sighting in Vanoise National Park on a given day, based on 58 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 10th most-seen of the 308 insects we can rate there. Over three days the chance rises to about 70%, and over a week to over 90%, if each day is a fresh chance.
July
In that month about 50% of wildlife watchers report a False Heath Fritillary in Vanoise National Park on a given day, against under 5% in September–October and December–May, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most False Heath Fritillary sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 9 parks where we can rate False Heath Fritillary sightings, Vanoise National Park has the highest daily chance: about 40%. Next come Mercantour National Park (France, about 20%) and Ecrins National Park (France, about 20%).
Same genus: Melitaea
The closest relatives of the False Heath Fritillary that you can see in Vanoise National Park (genus Melitaea) are Spotted Fritillary (about 30%), Knapweed Fritillary (about 20%) and Glanville Fritillary (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the False Heath Fritillary is recorded against all the insects logged in Vanoise National Park (58 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.
