Chalkhill Blue

Lysandra coridon

The males shine in a pale, silvery greenish blue, while the females are mostly dark brown with orange marginal spots. The caterpillars live in close association with ants, which are attracted by a gland on their back.

Group
Blues
Photos
1
Taken
2024

Profile: Chalkhill Blue

Family
Gossamer-winged butterflies (Lycaenidae)
Wingspan
approx. 30–36 mm
Habitat
Dry, sunny, sparsely vegetated sites, above all calcareous grassland; also embankments, verges and railway banks.
Diet
The caterpillars feed mainly on horseshoe vetch; adults take nectar from plants such as marjoram, bird’s-foot trefoil, scabious and knapweed.
When to see
In Central Europe one generation a year, flying roughly from late June to August, occasionally into early October.

Learn more: Wikipedia