Peacock Fly

Peacock Fly

Callopistromyia annulipes

Daily sighting probability <5% · Rare
at Toronto

In 3 days ~10% in a week ~20%

17 Verified sightings at Toronto
60 In all 2 parks From 2019 to 2026
August Best month
☀️ Diurnal When it's spotted

About the Peacock Fly

The peacock fly (Callopistromyia annulipes) is a species of picture-winged flies in the genus Callopistromyia of the family Ulidiidae. They are native to and widespread across North America. This species has recently been introduced accidentally to Europe, and is known from Switzerland, Germany, the Netherlands, France, Italy, Slovenia, Slovakia, Hungary, Czechia, Austria, Belgium, Poland, Ukraine, Romania, San Marino and Croatia. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Shenandoah National Park 🇺🇸 United States
~10%
2 Great Smoky Mountains National Park 🇺🇸 United States
~10%

Cities Where Found

# City Country Daily sighting probability
1 Berlin 🇩🇪 Germany
~10%
2 Warsaw 🇵🇱 Poland
~10%
3 Bucharest 🇷🇴 Romania
<5%
4 Washington 🇺🇸 United States
<5%
5 Vienna 🇦🇹 Austria
<5%
6 Philadelphia 🇺🇸 United States
<5%
7 Kyiv 🇺🇦 Ukraine
<5%
8 Baltimore 🇺🇸 United States
<5%
9 Paris 🇫🇷 France
<5%
10 New York City 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Peacock Fly in Toronto?

Rare

Under 5% of wildlife watchers report a Peacock Fly sighting in Toronto on a given day, based on 17 verified sightings from GBIF citizen-science data. It is the 758th most-seen of the 1689 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.

When is the best time to see a Peacock Fly in Toronto?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Peacock Fly in Toronto on a given day, so our monthly data shows no clear season.

What time of day is best to see a Peacock Fly?

Between 1 and 4 pm

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

Is Toronto the best place to see a Peacock Fly?

12th of 13

Of the 13 cities where we can rate Peacock Fly sightings, Toronto ranks 12th at under 5%. The best odds are in Berlin (Germany, about 10%), Warsaw (Poland, about 10%) and Bucharest (Romania, under 5%).

Where does the Peacock Fly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Peacock Fly is recorded against all the insects logged in Toronto (17 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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