Seq # 460140010

Cyaniris semiargus (Rottemburg, 1775) Species

Last modified: Oct. 14, 2024, 3:29 p.m.


In Flanders the species is critically endangered. A local species occurring in the south of Belgium where it is vulnerable.


Details

Classification
Family: Lycaenidae > Subfamily: Polyommatinae > Tribus: Polyommatini > Genus: Cyaniris > Species: Cyaniris semiargus
Vernacular names
Klaverblauwtje (NL), Mazarine Blue (EN), Demi-Argus (FR), Rotklee-Bläuling (DE)
Synonyms
Cyaniris acis (Denis & Schiffermüller, 1775), nec (Drury, 1773)
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 Acis). view page
Status

Native


Distribution


Imago

Museum specimens

No pictures yet!

Specimens in nature


Bionomics

The larva is attended by ants of the genus Lasius.

No pictures yet!

Flight periods

The adults fly in two generations a year from mid-May till the end of June, and from mid-July till the end of August. In favourable years a third generation occurs from the beginning of September till early October.


Observed on

Host plant (species):
Trifolium pratense

The larva lives on Trifolium pratense.

No pictures yet!