Norfolk status Scarce. Locally distributed in England, mainly in the south and east.
The larvae feed on Oak, inside galls formed by other, usually hymenopterous insects.
First Norfolk record of a male, attracted to pheromone lure at Cawston (VC27) (J. Clifton, 29/05/11). First VC28 record (det. J. Clifton) on NMS Field meeting at Emily's Wood, Weeting (J. Wheeler, 04/06/11)
Determination by Genitalia Examination (gen. det.) Required
Recorded in 8 (12%) of 69 10k Squares. First Recorded in 2011. Last Recorded in 2020. Additional Stats