#3844 · 🪰 flies & mosquitoes
Hornet Robber Fly
🇳🇱 Hoornaarroofvlieg ·Asilus crabroniformis
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
The hornet robberfly , Asilus crabroniformis , is a species of predatory insect of the Asilidae family.
base stats
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 70 times in the Netherlands on iNaturalist.
- 1,448 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Hornet Robber Fly
- Nederlands
- Hoornaarroofvlieg
- scientific name
- Asilus crabroniformis
- class
- Insecta
- order
- Diptera
- family
- Asilidae
- sightings in NL
- 70
- sightings in Europe
- 1,392
- sightings worldwide
- 1,448
- GBIF records in NL
- 5,326
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
relatives· Asilidae
#3776 📷 10Stripe-legged Robber Fly
🇳🇱 Gewone bladjager
Dioctria hyalipennis
👀 298 in NL
#3779 📷 10Common Awl Robber Fly
🇳🇱 Bosrandroofvlieg
Neoitamus cyanurus
👀 242 in NL
#3800 📷 10Dune Robber Fly
🇳🇱 Zandroofvlieg
Philonicus albiceps
👀 148 in NL
#3804 📷 10kite-tailed robberfly
🇳🇱 Gewone roofvlieg
Tolmerus atricapillus
👀 138 in NL
#3820 📷 10Roodbaardroofvlieg
Eutolmus rufibarbis
👀 99 in NL
#3826 📷 10bumblebee robberfly
🇳🇱 Gele hommelroofvlieg
Laphria flava
👀 90 in NL
#3835 📷 10fan-bristled robberfly
🇳🇱 Borstelroofvlieg
Dysmachus trigonus
👀 85 in NL
#3864 📷 10Small Yellow-legged Robber Fly
🇳🇱 Bosgeelvlekbladjager
Dioctria linearis
👀 50 in NL
Sources: iNaturalist taxon 465458, Wikidata Q9394417, GBIF 1659278, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.