#3287 · 🪲 beetles
Knotgrass leaf beetle
🇳🇱 Moertje ·Chrysolina polita
📍 Lexmond, Lexmond, South Holland, NL
📍 Peizerwold, Peizerwold, 9321 TA Peize, Netherlands
📍 Gat van den Hardenhoek, Werkendam, North Brabant, NL
📍 Vreugderijkerwaard, 8042 Zwolle, Nederland
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Nikolai Vladimirov · CC BY-NC 4.0
- 2. © Irina Butorina · CC BY-NC 4.0
- 3. © katunchik · CC BY 4.0
- 4. © Felix Riegel · CC BY-NC 4.0
- 5. © Patrick Le Mao · CC0
- 6. © Kim Falck · CC BY-NC 4.0
- 7. Lexmond, Lexmond, South Holland, NL:© no rights reserved · CC0
- 8. Peizerwold, Peizerwold, 9321 TA Peize, Netherlands:© Joren van Schie · CC BY-NC 4.0
- 9. Gat van den Hardenhoek, Werkendam, North Brabant, NL:© no rights reserved · CC0
- 10. Vreugderijkerwaard, 8042 Zwolle, Nederland:© Jeroen · CC BY-NC 4.0
what is it?
Chrysolina polita is a species of leaf beetle native to 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 79 times in the Netherlands on iNaturalist.
- 4,552 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Knotgrass leaf beetle
- Nederlands
- Moertje
- scientific name
- Chrysolina polita
- class
- Insecta
- order
- Coleoptera
- family
- Chrysomelidae
- sightings in NL
- 79
- sightings in Europe
- 3,494
- sightings worldwide
- 4,552
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
relatives· Chrysomelidae
#3166 📷 8Alder Leaf Beetle
🇳🇱 Elzenhaantje
Agelastica alni
👀 1.5k in NL
#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
Sources: iNaturalist taxon 61901, Wikidata Q1755364, GBIF 4460251, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.