Sirhowy Hill Woodlands

Scientific name: Polyommatus icarus

Common Blue

The common hawker is a large hawker dragonfly which is on the wing from the end of June through to October. It is a species found mainly in the uplands of the north and west, particularly moorland pools and lakes as well as garden ponds. Hawkers are the largest and fastest flying dragonflies; they catch their insect-prey mid-air and can hover or fly backwards.

What does the Common Blue eat?

The Common Blue eats Common Bird’s-foot-trefoil (Lotus corniculatus). Other plants that the Common Blue eats include: Greater Bird’s-foot-trefoil (L. pedunculatus), Black Medick (Medicago lupulina), Common Restharrow (Ononis repens), White Clover (Trifolium repens), Lesser Trefoil (T. dubium).

What habitat does the Common Blue live in?

The Common Blue is very common and found in a variety of habitats especially sunny sheltered spots. Examples of habitats include; downland, coastal dunes, undercliffs, road verges, acid grass and woodland clearings


It is also found on waste ground, disused pits and quarries, golf courses, and urban habitats such as cemeteries.


What family does the Common Blue belong to?

The Common Blue belong to the Lycaenidae family.

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Scientific Name

Polyommatus icarus


England, Wales, Scotland and Ireland


Small sized

Wingspan Range: 35mm


Found throughout Britain and Ireland. Distribution Trend Since 1970’s = -15%

Other Wildlife