Notodontidae: Notodontinae

08728 Lesser Swallow Prominent Pheosia gnoma, (Fabricius, [1777])

BF2006 (ABH71.018)


General Information

This species has a more distinct white wedge at the tornus of the forewing than the Swallow Prominent.


Pupates in loose soil.

Overwinters as Overwinters as a pupa.
Both sexes readily come to light, sometimes in numbers.

Forewing length: 20-26mm.
Foodplant(s): birches (Betula spp.)
Flying: Two generations, late April-June and July-August
UK Presence: Resident
National status:


Woodland, heathland, moors, parks and gardens.

Regional Information

There are no records in the system yet in Bulgaria.

Similar Species
Gotse Delchev, 4th May 2014. Light trap.
Gotse Delchev, 4th May 2014. Light trap.
 Photo © Nick Greatorex-Davies
Swallow Prominent Pheosia tremula

Larva Type:
Brown, purple, yellow
No. of Proleg Pairs: