Pammene argyrana (Hübner, )
49.3630 (B&F: 1228)
Pammene costipunctana sensu Pierce & Metcalfe, 1922 ♀ genitalia nec (Haworth, 1811)
A resident that occurs singly in a few places in a range of habitats across the county. It is single-brooded, flying mainly from late April to mid May. The larvae feed inside oak-apple galls, although this has yet to be confirmed in Sussex. (Pratt, 2011).