Geometridae: Ennominae

07634 Canary-shouldered Thorn Ennomos alniaria, (Linnaeus, 1758)

BF1913 (ABH70.234)


General Information

Pupates in leaf litter or attached to plants.

Overwinters as Overwinters as an egg.
Both sexes readily come to light, sometimes in numbers.

Forewing length: 16-20mm.
Foodplant(s): Downy Birch (Betula pubescens), Silver Birch (Betula pendula), Alder (Alnus glutinosa), lime (Tilia spp.), elms (Ulmus spp.), Goat Willow (Salix caprea)
Flying: One generation, late July-mid October
UK Presence: Resident
National status:


Woodland, scrub.

Regional Information

There are no records in the system yet in Bulgaria.

Similar Species
August Thorn Ennomos quercinaria
Cherven, Western Rhodopi Mtns., 29th June 2012, female.
Cherven, Western Rhodopi Mtns., 29th June 2012, female.
 Photo © Nick Greatorex-Davies
Dusky Thorn Ennomos fuscantaria
September Thorn Ennomos erosaria

Larva Type:
With lumps, bumps or horn(s)
Brown, red
No. of Proleg Pairs: