70.233 Ennomos quercinaria (August Thorn)
fw: 18-22mm; Aug-Sep; broadleaved trees especially pedunculate oak (Quercus robur); local in England & Wales
Ennomos quercinaria (September Thorn) §1 male
ID: Holds wings at a shallower angle than other Ennomos species. Distal cross-line has a small kink as it approaches the costa. Forewing is usually speckled, shows some trace of a central spot and is orange in male, paler in female. Females may resemble E.erosaria (September Thorn) which lacks speckling, lacks any trace of a central spot, holds its wings half raised and the distal cross-line meets the costa without any kinking.
Dissection
Male genitalia
§1 Compton Bishop, Somerset; 29/08/2014; male; fw 19.0mm
All images © Chris Lewis
All images © Chris Lewis
Page published 22/10/2014 (§1)
