lepidoptera.online © 2017 Adriaan van Os - Butterflies and Moths of South-West Europe
Macroheterocera,
Geometridae,
Ennominae
• September Thorn - Ennomos erosaria
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GBIF observation map, Ennomos erosaria
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Ennomos erosaria (September Thorn) is difficult to distinguish from Ennomos quercaria and Ennomos alniaria (Canary-shouldered Thorn).
Also see
lepinet.fr and
lepiforum.de