Partially diurnal, this species is found throughout much of England and Wales, especially in the south, occurring in woodland, scrub, parkland, heathland, fens and gardens.
Records mainly from east Norfolk, although found throughout the county in suitable habitat.
The larvae feed internally in acorns and the nuts of sweet chestnut and Oak, forming a spongy gall.
See notes on next species. - 1236a Pammene herrichiana
Recorded in 47 (68%) of 69 10k Squares.
First Recorded in 1987.
Last Recorded in 2020.