Brassy Longhorn

Brassy Longhorn

Nemophora metallica

Daily sighting probability ~10% · With luck
at Bavarian Forest National Park

In 3 days ~20% in a week ~40%

15 Verified sightings at Bavarian Forest National Park From 2019 to 2026
29 In all 2 parks
June Best month
☀️ Diurnal When it's spotted

About the Brassy Longhorn

Nemophora metallica is a moth of the family Adelidae. It is found in Europe. Its wingspan is 15–20 mm. The moth flies from late June to August depending on the location. The larvae feed on Knautia arvensis and Scabiosa columbaria. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Bavarian Forest National Park 🇩🇪 Germany
~10%
2 Pyrénées National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Prague 🇨🇿 Czechia
<5%
2 Vienna 🇦🇹 Austria
<5%
3 London 🇬🇧 United Kingdom
<5%
4 Moscow 🇷🇺 Russia
<5%

Before you go

What are the chances of seeing a Brassy Longhorn in Bavarian Forest National Park?

With luck

About 10% of wildlife watchers report a Brassy Longhorn sighting in Bavarian Forest National Park on a given day, based on 15 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 377th most-seen of the 1115 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.

When is the best time to see a Brassy Longhorn in Bavarian Forest National Park?

June to September

In those months about 10% of wildlife watchers report a Brassy Longhorn in Bavarian Forest National Park on a given day, against under 5% in October to May, the lowest months.

What time of day is best to see a Brassy Longhorn?

Between noon and 3 pm

Across all the parks we cover, that three-hour window holds the most Brassy Longhorn sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Bavarian Forest National Park the best place to see a Brassy Longhorn?

Yes

Of the 2 parks where we can rate Brassy Longhorn sightings, Bavarian Forest National Park has the highest daily chance: about 10%. Next come Pyrénées National Park (France, under 5%).

Where does the Brassy Longhorn sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Brassy Longhorn is recorded against all the insects logged in Bavarian Forest National Park (15 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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