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#3908 · 🪰 flies & mosquitoes

Stable Fly

🇳🇱 Stalvlieg ·Stomoxys calcitrans

🪰 Flies & mosquitoes 📍 in the Netherlands
Stable Fly, photo 1 of 7
1/7 © Fyn Kynd · CC BY-SA 4.0

what is it?

Stomoxys calcitrans is commonly called the stable fly , barn fly , biting house fly , dog fly , or power mower fly . Unlike most members of the family Muscidae, Stomoxys calcitrans ('sharp mouth' + 'kicking') and others of its genus suck blood from mammals. Now found worldwide, the species is considered to be of Eurasian origin.

base stats

  • NL sightings 33iNaturalist, research grade
  • worldwide 9,761iNaturalist observations

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 33 times in the Netherlands on iNaturalist.
  • 9,761 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
Stable Fly
Nederlands
Stalvlieg
scientific name
Stomoxys calcitrans
class
Insecta
order
Diptera
family
Muscidae
sightings in NL
33
sightings in Europe
1,724
sightings worldwide
9,761
GBIF records in NL
2,269
weight
—
length
—
lifespan
—
named
1758

relatives· Muscidae

Sources: iNaturalist taxon 122223, Wikidata Q598609, GBIF 1526081, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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