Main: (Lycaenidae / Theclinae)
61.018 [B&F: 1574] Common Blue (Polyommatus icarus) (Rottemburg, 1775)


Common on downland, sand-dunes, sea cliffs, heaths, waste ground, quarries and rough grassland; 0-700 m (0-2900 m in Europe) throughout much of the British Isles; mainland Europe and Fennoscandia. In Hampshire and on the Isle of Wight widespread and common. Wingspan 28-36 mm. Larva feeds on Bird's-foot Trefoil, Greater Bird's-foot Trefoil, Common Restharrow and Black Medick, subsequently living underground where attended by ants.

Flightime guide

Phenology - Adult Records

Max records: 5107
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Phenology - Larval Records

Max records: 2
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Distribution Map

Historical distribution at tetrad resolution
Click for density map

Record Density

As above but the larger the symbol, the greater the number of records
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