Ennomos subsignaria

Ennomos subsignaria, the elm spanworm moth, is a moth of the family Geometridae. The species was first described by Jacob Hübner in 1823. It is found in North America from Texas (south) to Alberta (northwest) and east to the Atlantic coast.[1][2] It is recorded infrequently in Great Britain through accidental importation in asparagus.[3]

Elm spanworm moth
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)
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. "911229.00 – 6798 – Ennomos subsignaria – Elm Spanworm Moth – (Hübner, [1823])". North American Moth Photographers Group. Mississippi State University. Retrieved November 11, 2020.
  2. McLeod, Robin (August 18, 2019). "Species Ennomos subsignaria - Elm Spanworm - Hodges#6798". BugGuide. Retrieved November 11, 2020.
  3. "70.2361 [B&F: 1916a] Elm Spanworm (Ennomos subsignaria) (Hübner, [1823])". Hantsmoths. Retrieved November 11, 2020.
  4. Anweiler, G. G. (January 13, 2004). "Species Details Ennomos subsignaria". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved November 11, 2020.


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