Small Phoenix Ecliptopera silaceata
([Denis & Schiffermüller], 1775)
Wingspan 23-27 mm.
A double-brooded species, flying in spring from May to July, and then again in August and September, except in the north where there is just one generation.
Quite common in England and Wales, but less so in Scotland and Ireland, it inhabits a range of woodland and open habitats.
The main larval foodplants are willowherbs (Epilobium spp.).