Epirrhoe alternata
In 3 days ~20% in a week ~40%
The common carpet or white-banded toothed carpet (Epirrhoe alternata) is a moth of the family Geometridae. The species was first described by Otto Friedrich Müller in 1764. It is found throughout the Palearctic and the Near East. In North America it ranges across the northern tier of the United States plus every province and territory of Canada. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 2 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 3 | Aigüestortes National Park | 🇪🇸 Spain | |
| 4 | Wadden Sea National Park | 🇩🇪 Germany | |
| 5 | Białowieża National Park | 🇵🇱 Poland | |
| 6 | Triglav National Park | 🇸🇮 Slovenia | |
| 7 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 8 | Pyrénées National Park | 🇫🇷 France | |
| 9 | Fertő-Hanság National Park | 🇭🇺 Hungary | |
| 10 | Cévennes National Park | 🇫🇷 France | |
| 11 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom | |
| 2 | Helsinki | 🇫🇮 Finland | |
| 3 | Berlin | 🇩🇪 Germany | |
| 4 | Prague | 🇨🇿 Czechia | |
| 5 | Manchester | 🇬🇧 United Kingdom | |
| 6 | London | 🇬🇧 United Kingdom | |
| 7 | Porto | 🇵🇹 Portugal | |
| 8 | Birmingham | 🇬🇧 United Kingdom | |
| 9 | Nizhny Novgorod | 🇷🇺 Russia | |
| 10 | Hamburg | 🇩🇪 Germany |
With luck
About 10% of wildlife watchers report a Common Carpet Moth sighting in Fertő-Hanság National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 135th most-seen of the 243 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
September
In that month about 20% of wildlife watchers report a Common Carpet Moth in Fertő-Hanság National Park on a given day, against under 5% in July–August and October–March, the lowest months. That is one of Fertő-Hanság National Park's wettest months, with about 80 mm of rain against 30 mm in March.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Common Carpet Moth sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is seen both by day and at night.
9th of 11
Of the 11 parks where we can rate Common Carpet Moth sightings, Fertő-Hanság National Park ranks 9th at about 10%. The best odds are in Snowdonia National Park (United Kingdom, about 20%), Bavarian Forest National Park (Germany, about 10%) and Aigüestortes National Park (Spain, about 10%).
Same family: Geometridae
The closest relatives of the Common Carpet Moth that you can see in Fertő-Hanság National Park (family Geometridae, Geometer Moths) are Common Heath (about 10%), Yellow Shell Moth (about 10%) and Latticed Heath (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Carpet Moth is recorded against all the insects logged in Fertő-Hanság 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.
