Seq # 460160010

Lysandra bellargus (Rottemburg, 1775) Species

Last modified: June 22, 2022, 5:24 p.m.

A local species occuring only in the south of Belgium. Seems to be recovering from a period when only one small population survived in the southernmost tip of Belgium, now it can however be seen again in several calcareous locations in NA and LX.


Family: Lycaenidae > Subfamily: Polyommatinae > Tribus: Polyommatini > Genus: Lysandra > Species: Lysandra bellargus
Vernacular names
Adonisblauwtje (NL), Adonis Blue (EN), Argus bleu céleste (FR), Himmelblauer Bläuling (DE)
Lysandra adonis (Denis & Schiffermüller, 1775)
First mention in Belgium
De Sélys-Longchamps E. 1837. Catalogue des Lépidoptères ou Papillons de la Belgique, précédé du tableau des Libellulines de ce pays. — — : 1–29. On page 17 (as Polyommatus Adonis). view page




Museum specimens

No pictures yet!

Specimens in nature

Flight periods

The adults fly in two generations a year: from mid May till June, and from end of July till end September.

Observed on

Host plant (species):
Hippocrepis comosa

The larva lives on Hippocrepis comosa and Coronilla varia. The larva is attended by different species of ants and hibernates. Pupation usually under a rock or litter near the entrance of an antsnest.

No pictures yet!