Fauna
Insect

Common Blue

Polyommatus icarus

Also 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 & preyAdults 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
  1. OrderLepidoptera
  2. FamilyLycaenidae
  3. GenusPolyommatus
  4. SpeciesPolyommatus icarus
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. 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.
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Mystic Meadows

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