Seq # 460110010

Glaucopsyche alexis (Poda, 1761) Species

Last modified: Sept. 16, 2022, 3:22 p.m.

At present only known from a few localities in the extreme south of Belgium, critically endangered!


Family: Lycaenidae > Subfamily: Polyommatinae > Tribus: Polyommatini > Genus: Glaucopsyche > Subgenus: Glaucopsyche > Species: Glaucopsyche alexis
Vernacular names
Bloemenblauwtje (NL), Green-underside Blue (EN), Azuré des cytises (FR), Alexis-Bläuling (DE)
Glaucopsyche cyllarus (Rottemburg, 1775)
First mention in Belgium
De Sélys-Longchamps E. 1857a. Catalogue des Insectes Lépidoptères de la Belgique. — Annales de la Société entomologique belge 1: 1–111. On page 12.




Museum specimens

No pictures yet!

Specimens in nature

Flight periods

The adults fly from early May till the end of June.

Observed on

Host plant (genera):
Astragalus, Cytisus, Genista, Vicia, Coronilla, Melilotus, Dorycnium, Medicago, Onobrychis and Spartium

The larva lives on Astragalus, Coronilla, Cytisus, Dorycnium, Genista, Medicago, Melilotus, Onobrychis, Spartium, etc.

No pictures yet!