Tooth-Thighed Hoverfly

Tooth-Thighed Hoverfly

Tropidia scita

Daily sighting probability <5% · Rare
at Wadden Sea National Park

In 3 days ~10% in a week ~30%

13 Verified sightings at Wadden Sea National Park From 2019 to 2026
13 In 1 park
June Best month
☀️ Diurnal When it's spotted

About the Tooth-Thighed Hoverfly

Tropidia scita is a common Palearctic species of hoverfly associated with wetlands, ponds and ditches. The larvae have been recorded living in the basal sheaths of Typha. External images For terms see Morphology of Diptera

Wing length 5.5–8.25 millimetres (0.217–0.325 in). Vein R4+5 is only slightly dipped into the underlying cell. Thorax dorsum shining black with some dusted parts. Tergites 2 and 3 yellow or orange with a black median stripe. Antennae dark, brown or black. Hind femora swollen and curved. See references for determination.

Palearctic Fennoscandia South to central France. Ireland East through Central Europe and then through Russia and the Caucasus. On to Siberia and the Russian Far East. Japan. Formosa. Wikipedia →

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 Warsaw 🇵🇱 Poland
<5%
2 Copenhagen 🇩🇰 Denmark
<5%
3 Birmingham 🇬🇧 United Kingdom
<5%
4 London 🇬🇧 United Kingdom
<5%

Before you go

What are the chances of seeing a Tooth-Thighed Hoverfly in Wadden Sea National Park?

Rare

Under 5% of wildlife watchers report a Tooth-Thighed Hoverfly sighting in Wadden Sea National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 422nd most-seen of the 818 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Tooth-Thighed Hoverfly in Wadden Sea National Park?

May and June

In those months about 10% of wildlife watchers report a Tooth-Thighed Hoverfly in Wadden Sea National Park on a given day, against under 5% in July to April, the lowest months.

What time of day is best to see a Tooth-Thighed Hoverfly?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Tooth-Thighed Hoverfly sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a Tooth-Thighed Hoverfly?

Only Wadden Sea National Park, in our data

Wadden Sea National Park is the only park on Wallace's Line with enough records to rate Tooth-Thighed Hoverfly sightings: under 5% of wildlife watchers there report one on a given day.

Which relatives of the Tooth-Thighed Hoverfly live in Wadden Sea National Park?

Same family: Syrphidae

The closest relatives of the Tooth-Thighed Hoverfly that you can see in Wadden Sea National Park (family Syrphidae, Hover Flies) are Common Drone Fly (about 20%), Marmalade Hover Fly (about 20%) and Sun Fly (about 10%), with each one's daily chance of a sighting.

Where does the Tooth-Thighed Hoverfly sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Tooth-Thighed Hoverfly is recorded against all the insects logged in Wadden Sea National Park (13 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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