Lythria cruentaria
In 3 days ~30% in a week ~50%
Lythria cruentaria is a moth of the family Geometridae. The species can be found in Europe. The length of the forewings is 9–13 mm. The moths fly in two or three generations from the end of April to the end of September. [1].
The caterpillars feed on sorrel and sheep's sorrel. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sierra Nevada National Park | 🇪🇸 Spain | |
| 2 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 3 | Wadden Sea National Park | 🇩🇪 Germany | |
| 4 | Pyrénées National Park | 🇫🇷 France |
With luck
About 10% of wildlife watchers report a Lythria cruentaria sighting in Sierra de Guadarrama National Park on a given day, based on 51 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 77th most-seen of the 597 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
May and June
In those months about 20% of wildlife watchers report a Lythria cruentaria in Sierra de Guadarrama National Park on a given day, against under 5% in August to February, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Lythria cruentaria sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
2nd of 4
Of the 4 parks where we can rate Lythria cruentaria sightings, Sierra de Guadarrama National Park ranks 2nd at about 10%. The best odds are in Sierra Nevada National Park (Spain, about 20%).
Same family: Geometridae
The closest relatives of the Lythria cruentaria that you can see in Sierra de Guadarrama National Park (family Geometridae, Geometer Moths) are Yellow Shell Moth (about 10%), Heliothea discoidaria (about 10%) and Chimney-Sweeper (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lythria cruentaria is recorded against all the insects logged in Sierra de Guadarrama National Park (51 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.
