At outdoor light. I dug this photo up at the bottom of my files, having been posted as a likely 0955 Psilocorsis quercicella. Looking at it again, however, I think it much more likely is a 0956 Psilcorsis cryptolechiella - the black-fringed Psilocorsis, even though there is not much (anymore) of a black fringe except for black apices. The measured small size may reflect the loss of the fringe