Cheilosia morio silhouette

Silhouette: PhyloPic

Cheilosia morio

Cheilosia morio

Daily sighting probability ~10% · With luck
at Amsterdam

In 3 days ~30% in a week ~60%

34 Verified sightings at Amsterdam
41 In all 5 parks From 2019 to 2026
July Best month
☀️ Diurnal When it's spotted

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Cairngorms National Park 🇬🇧 United Kingdom
~10%
2 Snowdonia National Park 🇬🇧 United Kingdom
~10%
3 Cévennes National Park 🇫🇷 France
<5%
4 Wadden Sea National Park 🇩🇪 Germany
<5%
5 Pyrénées National Park 🇫🇷 France
<5%

Cities Where Found

# City Country Daily sighting probability
1 Amsterdam 🇳🇱 Netherlands
~10%
2 Rotterdam [The Hague] 🇳🇱 Netherlands
~10%
3 Manchester 🇬🇧 United Kingdom
<5%
4 London 🇬🇧 United Kingdom
<5%
5 Birmingham 🇬🇧 United Kingdom
<5%
6 Moscow 🇷🇺 Russia
<5%

Before you go

What are the chances of seeing a Cheilosia morio in Amsterdam?

With luck

About 10% of wildlife watchers report a Cheilosia morio sighting in Amsterdam on a given day, based on 34 verified sightings from GBIF citizen-science data. It is the 32nd most-seen of the 234 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.

When is the best time to see a Cheilosia morio in Amsterdam?

June to August

In those months about 20% of wildlife watchers report a Cheilosia morio in Amsterdam on a given day, against under 5% in September to April, the lowest months.

What time of day is best to see a Cheilosia morio?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Cheilosia morio sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Is Amsterdam the best place to see a Cheilosia morio?

Yes

Of the 6 cities where we can rate Cheilosia morio sightings, Amsterdam has the highest daily chance: about 10%. Next come Rotterdam [The Hague] (Netherlands, about 10%) and Manchester (United Kingdom, under 5%).

Where does the Cheilosia morio sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Cheilosia morio is recorded against all the insects logged in Amsterdam (34 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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