Chalk-hill blue - Lysandra coridon

Male upperside.

Family: Lycaenidae.

Flight Time: June - October.

Size: 30-36mm

Altitude: 100-2000m


The Chalk-hill blue has a limited range in the UK but is often very numerous. More widespread in Europe there are however a large number of subspecies and also closely related species which can make identification rather tricky. See Lysandra ?


The female is brown, but has strongly chequered fringes and cell marks on the upperside. Quite hard to tell apart from a female Adonis blue, Lysandra bellargus.

Below is one of each, a mating pair.


Fact File

Similar Species Foodplants Habitat Distribution

Lysandra ?

Hippocrepis comosa - Horseshoe vetch


Chalk-hill blue Distribution.

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Early Stages




All pictures in these pages copyright to Simon Coombes. Permission must be sought and obtained for any use.