#2609 · 🦋 butterflies & moths
Scarce oak knot-horn
🇳🇱 Rode eikenlichtmot ·Acrobasis tumidana
📍 Leek, B. v Rasquertstraat, 9351 NC Tolbert, Netherlands
📍 5854 Bergen, Nederland
📍 5855 Well, Nederland
📍 3925 Scherpenzeel, Nederland
📍 3925 Scherpenzeel, Nederland
📍 3925 Scherpenzeel, Nederland
📍 Amsterdamse Bos-Vogeleiland, Amstelveen, Nederland
📍 Siebengewaldseweg, Bergen, Limburg, NL
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Paolo Mazzei · CC BY-NC 4.0
- 2. © portioid · CC BY 4.0
- 3. Leek, B. v Rasquertstraat, 9351 NC Tolbert, Netherlands:© Joren van Schie · CC BY-NC 4.0
- 4. 5854 Bergen, Nederland:© André Nagelhout · CC BY-NC 4.0
- 5. 5855 Well, Nederland:© André Nagelhout · CC BY-NC 4.0
- 6. 3925 Scherpenzeel, Nederland:© Rob C. H. M. Oudejans · CC BY-NC 4.0
- 7. 3925 Scherpenzeel, Nederland:© Rob C. H. M. Oudejans · CC BY-NC 4.0
- 8. 3925 Scherpenzeel, Nederland:© Rob C. H. M. Oudejans · CC BY-NC 4.0
- 9. Amsterdamse Bos-Vogeleiland, Amstelveen, Nederland:© peterschiphof · CC BY-NC 4.0
- 10. Siebengewaldseweg, Bergen, Limburg, NL:© hahnharry · CC BY-NC 4.0
what is it?
Acrobasis tumidana is a moth of the family Pyralidae. It was described in 1775 by Michael Denis and Ignaz Schiffermüller and is found in Europe.
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 110 times in the Netherlands on iNaturalist.
- 1,870 observations worldwide on iNaturalist.
- Scientifically named by Michael Denis in 1775 (251 years ago).
fact sheet
- English
- Scarce oak knot-horn
- Nederlands
- Rode eikenlichtmot
- scientific name
- Acrobasis tumidana
- class
- Insecta
- order
- Lepidoptera
- family
- Pyralidae
- sightings in NL
- 110
- sightings in Europe
- 1,271
- sightings worldwide
- 1,870
- GBIF records in NL
- 11,309
- weight
- —
- length
- —
- lifespan
- —
- named
- 1775 by Michael Denis
relatives· Pyralidae
#2449 📷 10Rosy Tabby
🇳🇱 Strooiselmot
Endotricha flammealis
👀 408 in NL
#2468 📷 10Bee Moth
🇳🇱 Hommelnestmot
Aphomia sociella
👀 351 in NL
#2488 📷 10Long-legged Tabby
🇳🇱 Pinokkiomot
Synaphe punctalis
👀 278 in NL
#2519 📷 10Indian-Meal Moth
🇳🇱 Indische meelmot
Plodia interpunctella
👀 191 in NL
#2530 📷 10Rosy-striped Knot-horn
🇳🇱 Prachtmot
Oncocera semirubella
👀 181 in NL
#2583 📷 10Dotted Oak Knot-horn
🇳🇱 Eikenlichtmot
Phycita roborella
👀 127 in NL
#2591 📷 10Large Tabby
🇳🇱 Vetmot
Aglossa pinguinalis
👀 123 in NL
#2633 📷 10Grey Knot-horn
🇳🇱 Mutsjeslichtmot
Acrobasis advenella
👀 93 in NL
Sources: iNaturalist taxon 548815, Wikidata Q631818, GBIF 1874211, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.