Grousewing Caddisfly

Grousewing Caddisfly

Mystacides longicornis

Daily sighting probability ~20% · Possible
at Liverpool

In 3 days ~60% in a week ~90%

144 Verified sightings at Liverpool
14 In 1 park From 2019 to 2026
August Best month
🌙 Nocturnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Wadden Sea National Park 🇩🇪 Germany
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Liverpool 🇬🇧 United Kingdom
~20%
2 Birmingham 🇬🇧 United Kingdom
~10%
3 London 🇬🇧 United Kingdom
~10%
4 Rotterdam [The Hague] 🇳🇱 Netherlands
~10%
5 Manchester 🇬🇧 United Kingdom
~10%
6 Minsk 🇧🇾 Belarus
~10%
7 Dublin 🇮🇪 Ireland
<5%
8 Warsaw 🇵🇱 Poland
<5%
9 Kyiv 🇺🇦 Ukraine
<5%
10 Copenhagen 🇩🇰 Denmark
<5%

Before you go

What are the chances of seeing a Grousewing Caddisfly in Liverpool?

Possible

About 20% of wildlife watchers report a Grousewing Caddisfly sighting in Liverpool on a given day, based on 144 verified sightings from GBIF citizen-science data. It is the 65th most-seen of the 632 insects we can rate there. Over three days the chance rises to about 60%, and over a week to about 90%, if each day is a fresh chance.

When is the best time to see a Grousewing Caddisfly in Liverpool?

July and August

In those months about 40% of wildlife watchers report a Grousewing Caddisfly in Liverpool on a given day, against under 5% in October to April, the lowest months.

What time of day is best to see a Grousewing Caddisfly?

Between 10 pm and 1 am

Across all the parks we cover, that three-hour window holds the most Grousewing Caddisfly sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.

Is Liverpool the best place to see a Grousewing Caddisfly?

Yes

Of the 13 cities where we can rate Grousewing Caddisfly sightings, Liverpool has the highest daily chance: about 20%. Next come Birmingham (United Kingdom, about 10%) and London (United Kingdom, about 10%).

Which relatives of the Grousewing Caddisfly live in Liverpool?

Same family: Leptoceridae

The closest relatives of the Grousewing Caddisfly that you can see in Liverpool (family Leptoceridae, Long-horned Caddisflies) are Leptocerus tineiformis (about 10%) and Oecetis ochracea (about 10%), with each one's daily chance of a sighting.

Where does the Grousewing Caddisfly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Grousewing Caddisfly is recorded against all the insects logged in Liverpool (144 verified sightings), 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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