Melanthia procellata
In 3 days ~10% in a week ~30%
Melanthia procellata, the pretty chalk carpet, is a species of moth of the family Geometridae. It is found throughout Europe. The wingspan is 27–32 mm. The moth flies from May to August.[1] The caterpillars feed on Clematis vitalba. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Pyrénées National Park | 🇫🇷 France | |
| 2 | Bavarian Forest National Park | 🇩🇪 Germany |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Copenhagen | 🇩🇰 Denmark |
With luck
About 10% of wildlife watchers report a Pretty Chalk Carpet sighting in Pyrénées National Park on a given day, based on 16 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 547th most-seen of the 1277 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.
April to August
In those months about 10% of wildlife watchers report a Pretty Chalk Carpet in Pyrénées National Park on a given day, against under 5% in September to March, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Pretty Chalk Carpet sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Yes
Of the 2 parks where we can rate Pretty Chalk Carpet sightings, Pyrénées National Park has the highest daily chance: about 10%. Next come Bavarian Forest National Park (Germany, under 5%).
Same family: Geometridae
The closest relatives of the Pretty Chalk Carpet that you can see in Pyrénées National Park (family Geometridae, Geometer Moths) are Latticed Heath (about 10%), Common Heath (about 10%) and Willow Beauty (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Pretty Chalk Carpet is recorded against all the insects logged in Pyrénées National Park (16 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.
