Agriphila tristellus
In 3 days ~10% in a week ~30%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cairngorms National Park | 🇬🇧 United Kingdom | |
| 2 | Snowdonia National Park | 🇬🇧 United Kingdom | |
| 3 | Bavarian Forest National Park | 🇩🇪 Germany | |
| 4 | Ecrins National Park | 🇫🇷 France | |
| 5 | Pyrénées National Park | 🇫🇷 France | |
| 6 | Wadden Sea National Park | 🇩🇪 Germany | |
| 7 | Sierra de Guadarrama National Park | 🇪🇸 Spain |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Liverpool | 🇬🇧 United Kingdom | |
| 2 | London | 🇬🇧 United Kingdom | |
| 3 | Helsinki | 🇫🇮 Finland | |
| 4 | Manchester | 🇬🇧 United Kingdom | |
| 5 | Birmingham | 🇬🇧 United Kingdom | |
| 6 | Dublin | 🇮🇪 Ireland | |
| 7 | Hamburg | 🇩🇪 Germany | |
| 8 | Milan | 🇮🇹 Italy | |
| 9 | Rotterdam [The Hague] | 🇳🇱 Netherlands | |
| 10 | Bucharest | 🇷🇴 Romania |
Rare
Under 5% of wildlife watchers report a Common Grass-Veneer sighting in Sierra de Guadarrama National Park on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 354th most-seen of the 597 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.
September
In that month about 20% of wildlife watchers report a Common Grass-Veneer in Sierra de Guadarrama National Park on a given day, against under 5% in November to August, the lowest months.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Common Grass-Veneer sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is seen both by day and at night.
7th of 7
Of the 7 parks where we can rate Common Grass-Veneer sightings, Sierra de Guadarrama National Park ranks 7th at under 5%. The best odds are in Cairngorms National Park (United Kingdom, about 10%), Snowdonia National Park (United Kingdom, about 10%) and Bavarian Forest National Park (Germany, about 10%).
Same family: Crambidae
The closest relatives of the Common Grass-Veneer that you can see in Sierra de Guadarrama National Park (family Crambidae, Crambid Snout Moths) are Straw-Barred Pearl (about 20%), Rush Veneer (about 10%) and Jasmine Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Common Grass-Veneer is recorded against all the insects logged in Sierra de Guadarrama National Park (9 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.
