70.236 BF1915 – September Thorn – Geometridae – Ennomos erosaria
September Thorn – Geometridae – Larentiinae – Ennomos erosaria – colour code •
STATUS – Last recorded September 2023 – A resident that is locally distributed and uncommon in Derbyshire. Restricted to the south and east of the county. Easily confused with the rarer August Thorn.
ID POINTERS – Although similar to a few other species of “Thorns”, this one is generally plainer in appearance.
FLIGHT PERIOD – August – October
IMAGES – Allestree, Derby August 2021 – image by Stephen Plant©
