Twin-Barred Knot-Horn

Twin-Barred Knot-Horn

Homoeosoma sinuella

Daily sighting probability <5% · Rare
at Pyrénées National Park

In 3 days ~10% in a week ~30%

12 Verified sightings at Pyrénées National Park From 2019 to 2026
78 In all 4 parks
June Best month
🌙 Nocturnal When it's spotted

About the Twin-Barred Knot-Horn

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 →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Cévennes National Park 🇫🇷 France
~10%
2 Sierra de Guadarrama National Park 🇪🇸 Spain
~10%
3 Pyrénées National Park 🇫🇷 France
<5%
4 Wadden Sea National Park 🇩🇪 Germany
<5%

Cities Where Found

# City Country Daily sighting probability
1 Kharkiv 🇺🇦 Ukraine
~10%
2 London 🇬🇧 United Kingdom
~10%
3 Budapest 🇭🇺 Hungary
~10%
4 Paris 🇫🇷 France
<5%
5 Vienna 🇦🇹 Austria
<5%
6 Porto 🇵🇹 Portugal
<5%
7 Birmingham 🇬🇧 United Kingdom
<5%

Before you go

What are the chances of seeing a Twin-Barred Knot-Horn in Pyrénées National Park?

Rare

Under 5% of wildlife watchers report a Twin-Barred Knot-Horn sighting in Pyrénées National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 738th most-seen of the 1277 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.

When is the best time to see a Twin-Barred Knot-Horn in Pyrénées National Park?

May–June and August

In those months about 10% of wildlife watchers report a Twin-Barred Knot-Horn in Pyrénées National Park on a given day, against under 5% in July and September–April, the lowest months.

What time of day is best to see a Twin-Barred Knot-Horn?

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.

Is Pyrénées National Park the best place to see a Twin-Barred Knot-Horn?

3rd of 4

Of the 4 parks where we can rate Twin-Barred Knot-Horn sightings, Pyrénées National Park ranks 3rd at under 5%. The best odds are in Cévennes National Park (France, about 10%) and Sierra de Guadarrama National Park (Spain, about 10%).

Which relatives of the Twin-Barred Knot-Horn live in Pyrénées National Park?

Same family: Pyralidae

The closest relatives of the Twin-Barred Knot-Horn that you can see in Pyrénées National Park (family Pyralidae, Pyralid Snout Moths) are Rosy-Striped Knot-Horn (about 10%), Rosy Tabby (about 10%) and Long-Legged Tabby (about 10%), with each one's daily chance of a sighting.

Where does the Twin-Barred Knot-Horn sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Twin-Barred Knot-Horn is recorded against all the insects logged in Pyrénées 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.

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