Spot-Winged Pond Fly

Spot-Winged Pond Fly

Sericomyia flagrans

Daily sighting probability ~10% · With luck
at Grand Teton National Park

In 3 days ~20% in a week ~30%

6 Verified sightings at Grand Teton National Park From 2019 to 2026
33 In all 3 parks
September Best month
☀️ Diurnal When it's spotted

About the Spot-Winged Pond Fly

Sericomyia flagrans is a North American species of flower fly. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Rocky Mountain National Park 🇺🇸 United States
~10%
2 Grand Teton National Park 🇺🇸 United States
~10%
3 Yosemite National Park 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Spot-Winged Pond Fly in Grand Teton National Park?

With luck

About 10% of wildlife watchers report a Spot-Winged Pond Fly sighting in Grand Teton National Park on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 119th most-seen of the 140 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Spot-Winged Pond Fly in Grand Teton National Park?

July and September

In those months about 10% of wildlife watchers report a Spot-Winged Pond Fly in Grand Teton National Park on a given day, against under 5% in August and October–June, the lowest months.

What time of day is best to see a Spot-Winged Pond Fly?

Between 11 am and 2 pm

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

Is Grand Teton National Park the best place to see a Spot-Winged Pond Fly?

Among the best

Of the 3 parks where we can rate Spot-Winged Pond Fly sightings, Grand Teton National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Rocky Mountain National Park (United States, about 10%).

Which relatives of the Spot-Winged Pond Fly live in Grand Teton National Park?

Same family: Syrphidae

The closest relatives of the Spot-Winged Pond Fly that you can see in Grand Teton National Park (family Syrphidae, Hover Flies) are Common Drone Fly (about 10%), Black-Footed Drone Fly (about 10%) and White-Bowed Smoothwing (about 10%), with each one's daily chance of a sighting.

Where does the Spot-Winged Pond Fly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Spot-Winged Pond Fly is recorded against all the insects logged in Grand Teton National Park (6 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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