Pheosia gnoma - Lot Moths and Butterflies - species in Las Descargues, the Lot, France
drawing of a moth



Las Descargues, 21 May 2009
Pheosia gnoma Adult


© Robin Howard

Pheosia gnoma (Fabricius, 1777)

Lesser Swallow Prominent
Le Bombyx dyctéoide

Wingspan: 46-58mm

Imago: bivoltine - April - June ; August - September. Both sexes visit light and can be prolific when conditions are suitable. Recorded from all woodland traps but more common in birch stands.

Larva: feeds on silver and downy birch before overwintering as a pupa.