Insect · GBIF taxon 5140214
Common Blue
Polyommatus icarusAlso known as European Common Blue
Common Blue males usually show violet-blue upperwings edged by a narrow dark border, while females vary from brown to partly blue. Both sexes have pale underwings patterned with black spots and a row of orange crescents.
butterflygrasslandblue wings
—observations
—countries
—peak records
Not EvaluatedConservation statusIUCN Red List categoriesLCNTVUENCREWEXNot Evaluated — not placed on the risk ladderRed List categories, explained →
Diet & prey
- Adults drink nectar; caterpillars feed on low-growing plants in the legume family
Predators
- birds
- spiders
- predatory insects
ThreatsPesticides, loss of host plants, intensive mowing, and grassland conversion
HabitatsMeadows, grassland, dunes, roadsides, field margins, and open disturbed ground
Life spanAdults live for several weeks; multiple generations may occur during a warm season
Size / weightNot available
Classification
- OrderLepidoptera
- FamilyLycaenidae
- GenusPolyommatus
- SpeciesPolyommatus icarus
Range data is not available yet.
Interaction riskLow
- Low
- Moderate
- High
- Very high
- Why interaction risk is low
- Observe without netting adults or collecting caterpillars and host plants.
Responsible observation
- Identify: Check the spotted underwing and orange crescents rather than relying on blue color alone.
- Watch: Search low flowers in short sunny grassland during calm weather.
Keep collecting in Fauna
Continue in the app Found in Collections
Ecosystem chain Pro
Mystic Meadows
Common Blue is found in this collection. Identify it in Fauna to fill this slot and continue your progress.
Unlock to track progress
Help improve the field guideSomething wrong?
Checking your Fauna account…Report a name, category, or profile issue for review.