Swallow Prominent Moth Pheosia tremula

Swallow Prominent moth
The Swallow Prominent's natural colouring above. Wingspan 45-55mm; UK flight time May-Aug.
Swallow Prominent moth
Swallow Prominent moth
It looks a bit yellower under artificial light (different individual).

Lesser Swallow Prominent Moth Pheosia gnoma

Lesser Swallow Prominent moth
Lesser Swallow Prominent moth
Similar to its relative, the Swallow Prominent, but it can be identified by the wider white wedge-shaped triangle on the top edge of its forewing (nearest to body when wings are closed).
Lesser Swallow Prominent moth Usual resting position of both Swallow Prominents from the side
Not much smaller than its relative at a wingspan 45-50mm. UK flight time May-Jun; Aug-Sep.