#2847 · 🦋 butterflies & moths
Mazarine Blue
🇳🇱 Klaverblauwtje ·Cyaniris semiargus
📍 6268 Bemelen, Nederland
📍 Sint Pieter, Maastricht, Nederland
📍 Sint Pieter, Maastricht, Nederland
📍 Sint Pieter, Maastricht, Nederland
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © purperlibel · CC BY-SA 4.0
- 2. © Chris van Swaay · CC BY-NC 4.0
- 3. © else15 · CC BY-NC 4.0
- 4. © Jakob Fahr · CC BY-NC 4.0
- 5. © Chris van Swaay · CC BY-NC 4.0
- 6. © Chris van Swaay · CC BY-NC 4.0
- 7. 6268 Bemelen, Nederland:© joopverbrugh · CC BY-NC 4.0
- 8. Sint Pieter, Maastricht, Nederland:© Paul G. Schrijvershof · CC BY-NC-ND 4.0
- 9. Sint Pieter, Maastricht, Nederland:© Joey Bom · CC BY 4.0
- 10. Sint Pieter, Maastricht, Nederland:© Josephine Beijer · CC BY-NC 4.0
what is it?
Polyommatus semiargus , the Mazarine blue , is a butterfly in the family Lycaenidae.
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 34 times in the Netherlands on iNaturalist.
- 13,487 observations worldwide on iNaturalist.
- Scientifically named by S. A. von Rottemburg in 1775 (251 years ago).
fact sheet
- English
- Mazarine Blue
- Nederlands
- Klaverblauwtje
- scientific name
- Cyaniris semiargus
- class
- Insecta
- order
- Lepidoptera
- family
- Lycaenidae
- IUCN Red List
- LC · least concern
- sightings in NL
- 34
- sightings in Europe
- 8,724
- sightings worldwide
- 13,487
- GBIF records in NL
- 4,799
- weight
- —
- length
- —
- lifespan
- —
- named
- 1775 by S. A. von Rottemburg
IUCN in Dutch: niet bedreigd. Blank means the sources don't say.
relatives· Lycaenidae
#2391 📷 7Small Copper
🇳🇱 Kleine vuurvlinder
Lycaena phlaeas
👀 2.1k in NL
#2394 📷 8Common Blue
🇳🇱 Icarusblauwtje
Polyommatus icarus
👀 1.8k in NL
#2400 📷 8Holly Blue
🇳🇱 Boomblauwtje
Celastrina argiolus
👀 1.4k in NL
#2422 📷 10Brown Argus
🇳🇱 Bruin blauwtje
Aricia agestis
👀 647 in NL
#2475 📷 7Silver-studded Blue
🇳🇱 Heideblauwtje
Plebejus argus
👀 318 in NL
#2517 📷 10Purple hairstreak
🇳🇱 Eikenpage
Favonius quercus
LC 👀 196 in NL
#2539 📷 10Green Hairstreak
🇳🇱 Groentje
Callophrys rubi
👀 172 in NL
#2566 📷 10Sooty Copper
🇳🇱 Bruine Vuurvlinder
Lycaena tityrus
LC 👀 148 in NL
Sources: iNaturalist taxon 62439, Wikidata Q774218, GBIF 5139156, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.