Ennomos subsignaria

Ennomos subsignaria, the elm spanworm moth, is a moth of the family Geometridae. It is found in North America from Texas (south) to Alberta (northwest) and east to the Atlantic coast.[2] It is recorded infrequently in Great Britain through accidental importation in asparagus.[3]

Elm spanworm moth
Adult
Adults mating
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Geometridae
Genus:
Ennomos
Species:
E. subsignaria
Binomial name
Ennomos subsignaria
(Hübner, 1823)[1]
Synonyms
  • Eudalimia subsignaria Hübner, 1823
  • Ennomos niveosericeatus (Harris, 1855)

The wingspan is 35–40 mm. Adults are pure white except for yellow branches on the antennae. They are on wing from late May to August.[4] one generation per year.

The larvae feed on elm, apple, birch, maple, and oak.

  • Infestation
  • Eggs
  • Eggs parasitised by Telenomus alsophilae
  • Larva
  • Damage
  • Pupae
  • Adult

References
  1. mothphotographersgroup
  2. Bug Guide
  3. Hants Moths
  4. University of Alberta E.H. Strickland Entomological Museum


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