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 |
Rare
Under 5% of wildlife watchers report a Pretty Chalk Carpet sighting in Bavarian Forest National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 964th most-seen of the 1115 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.
May to July
In those months about 10% of wildlife watchers report a Pretty Chalk Carpet in Bavarian Forest National Park on a given day, against under 5% in August to April, 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.
2nd of 2
Of the 2 parks where we can rate Pretty Chalk Carpet sightings, Bavarian Forest National Park ranks 2nd at under 5%. The best odds are in Pyrénées National Park (France, about 10%).
Same family: Geometridae
The closest relatives of the Pretty Chalk Carpet that you can see in Bavarian Forest National Park (family Geometridae, Geometer Moths) are Common Heath (about 20%), Latticed Heath (about 20%) and Yellow Shell Moth (about 20%), 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 Bavarian Forest National Park (5 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.
