- 5.001 BF119 – Opostegidae – Oposteginae – Opostega salaciellaOpostegidae – Oposteginae – Opostega salaciella – Sorrel Bent-wing STATUS – Unknown in Derbyshire – It is generally distributed widely but locally throughout most of Britain. ID POINTERS – A tiny species with head, eye-caps and forewing white FLIGHT PERIOD – On the wing during the day in June – July IMAGES – Glossop, Derbyshire – Christian Heintzen© / Melbourne, Derbyshire ...