Pammene giganteana

Alternative names
Early Oak Piercer

Wingspan about 15 mm.  This species is distinctive for its rather long and narrow forewings, with a horseshoe-shaped whitish blotch on the dorsum. The hindwings are whitish with a dark border.

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.


Well wooded areas where Oak is present.

When to see it

Adult moths fly early in the year, from March to May, and can sometimes be found on the wing in the afternoon. They also fly later at night and come to light.

Life History

The larvae feed inside oak-apple galls and other, spongy galls made by Hymenoptera on oak (Quercus). Their presence is sometimes betrayed by frass exuded from the gall.

UK Status

Local and infrequent in Britain. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as Nationally Scarce B

VC55 Status

Rarely recorded in Leicestershire and Rutland.

49.362 BF1227

Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map