Photo © Dave Green

Clouded August Thorn

Ennomos quercaria

Checklist Number
B071 [B&F: 1916]

Verification
Record requires retention of specimen until confirmed, and may require dissection. Consult with CMR if unsure

Classification

Family:Geometridae
Subfamily:Ennominae
Genus:Ennomos
Species:quercaria
Authority:(Hübner, 1813)

Occurrence in the British Isles unconfirmed, this southern European species is included on the British list on the basis of a a single 19th Century record. One was reported in Essex in 1992. Wingspan 38-42 mm. September Thorn E. erosaria is similar, but paler, with antemedian fasciae roughly parallel. Larva feeds on Oak, no evidence of breeding in the UK.