Thought it might BE of interest to post this day flyer seen abundantly swarming on Oak at the moment The males have long, whitish antennae, the females shorter, Larva feeds on leaf litter, living within a movable case which I have not yet found !! Wingspan 14-18 mm.
It was AKA as Adela viridella (Scopoli, 1763) Adela reamurella Linneaus
Images Bog Standard Canon 18 - 55 mm lens