#3166 · 🪲 beetles
Alder Leaf Beetle
🇳🇱 Elzenhaantje ·Agelastica alni
8 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Udo Schmidt · CC BY-SA 4.0
- 2. © Bjarne Amstrup · CC BY-NC 4.0
- 3. © Peter Eriksen · CC BY 4.0
- 4. © Stefan · CC BY-NC 4.0
- 5. © Corinna Herr · CC BY-NC 4.0
- 6. © kitbeard · CC BY 4.0
- 7. © AWI i Pr. · CC BY-NC 4.0
- 8. © John Lyden · CC BY 4.0
what is it?
Agelastica alni , the alder leaf beetle , is a species of leaf beetle (Chrysomelidae) in the genus Agelastica . Agelastica alni is distributed in Europe, the Caucasuses, Siberia, north-eastern Kazakhstan, and in the 19th century was introduced to the USA (Kolk & Starzyk, 1996).
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 1,497 times in the Netherlands on iNaturalist: the #4 most seen of the beetles in NL.
- 28,860 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Alder Leaf Beetle
- Nederlands
- Elzenhaantje
- scientific name
- Agelastica alni
- class
- Insecta
- order
- Coleoptera
- family
- Chrysomelidae
- sightings in NL
- 1,497
- sightings in Europe
- 24,573
- sightings worldwide
- 28,860
- GBIF records in NL
- 38,763
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
relatives· Chrysomelidae
#3181 📷 10Green Dock Beetle
🇳🇱 Groen zuringhaantje
Gastrophysa viridula
👀 515 in NL
#3184 📷 9Colorado Potato Beetle
🇳🇱 Coloradokever
Leptinotarsa decemlineata
👀 476 in NL
#3185 📷 10Rosemary Beetle
🇳🇱 Rozemarijngoudhaantje
Chrysolina americana
👀 475 in NL
#3205 📷 10Poplar Leaf Beetle
🇳🇱 Grote populierenhaan
Chrysomela populi
👀 247 in NL
#3209 📷 10Willow Flea-beetle
🇳🇱 Gouden wilgenaardvlo
Crepidodera aurata
👀 234 in NL
#3210 📷 10Mint beetle
🇳🇱 Blauw muntgoudhaantje
Chrysolina coerulans
👀 228 in NL
#3213 📷 10Gewone rietkever
Donacia clavipes
👀 197 in NL
#3214 📷 10Thistle Tortoise Beetle
🇳🇱 Groene distelschildpadtor
Cassida rubiginosa
👀 193 in NL
Sources: iNaturalist taxon 210933, Wikidata Q882629, GBIF 1047936, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.