Homoeosoma sinuella
In 3 days ~10% in a week ~30%
Homoeosoma sinuella is a moth of the family Pyralidae. It is found in Europe. The wingspan is 18–23 mm. The moths are on wing from May to August depending on the location. The larvae feed on Plantago species. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cévennes National Park | 🇫🇷 France | |
| 2 | Sierra de Guadarrama National Park | 🇪🇸 Spain | |
| 3 | Pyrénées National Park | 🇫🇷 France | |
| 4 | Wadden Sea National Park | 🇩🇪 Germany |
With luck
About 10% of wildlife watchers report a Twin-Barred Knot-Horn sighting in Sierra de Guadarrama National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 281st 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.
May–July and September
In those months about 10% of wildlife watchers report a Twin-Barred Knot-Horn in Sierra de Guadarrama National Park on a given day, against under 5% in August and October–April, the lowest months.
Between 11 pm and 2 am
Across all the parks we cover, that three-hour window holds the most Twin-Barred Knot-Horn sightings with a recorded time, and about 8 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 4 parks where we can rate Twin-Barred Knot-Horn sightings, Sierra de Guadarrama National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Cévennes National Park (France, about 10%).
Same family: Pyralidae
The closest relatives of the Twin-Barred Knot-Horn that you can see in Sierra de Guadarrama National Park (family Pyralidae, Pyralid Snout Moths) are Long-Legged Tabby (about 10%), Acrobasis obliqua (about 10%) and Rosy Tabby (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Twin-Barred Knot-Horn is recorded against all the insects logged in Sierra de Guadarrama National Park (12 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.
