Seq # 460100010

Pseudophilotes baton (Bergsträsser, 1779) Species

Last modified: March 15, 2022, 10:01 a.m.

Known from old records in NA and LX. Now extinct, but there are some small populations not so far from the Belgian border!


Family: Lycaenidae > Subfamily: Polyommatinae > Tribus: Polyommatini > Genus: Pseudophilotes > Species: Pseudophilotes baton
Vernacular names
Klein tijmblauwtje (NL), Baton Blue (EN), Graublauer Bläuling (DE)
Pseudophilotes hylas (Denis & Schiffermüller, 1775), nec (Linnaeus, 1758)
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 16 (as Polyommatus Hylas). view page




Museum specimens

No pictures yet!

Specimens in nature

Flight periods

The adults fly usually in two generations a year; onwards from April towards June and again from late July till early September.

Observed on

Host plant (genera):
Thymus, Satureja, Mentha and Lavandula

The larva lives on the flowers and the seeds of Thymus, Satureja, Lavendula, Mentha and Calamintha nepeta. It is attended by ants of the genera Lasius and Myrmica. The species hibernates as a larva or as a pupa.

No pictures yet!