Eucosma dorsisignatana

Eucosma dorsisignatana, the triangle-backed eucosma, is a species of moth of the family Tortricidae. It is found in North America, where it has been recorded from Nova Scotia to Florida, west to Texas and north to Manitoba.[2]

Eucosma dorsisignatana
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Eucosma
Species:
E. dorsisignatana
Binomial name
Eucosma dorsisignatana
(Clemens, 1860)[1]
Synonyms
  • Poecilochroma dorsisignatana Clemens, 1860
  • Pelochrista dorsisignatana
  • Paedisca clavana Zeller, 1875
  • Eucosma dorsisignatana var. diffusana Kearfott, 1905
  • Carpocapsa distigmana Walker, 1863

The wingspan is 12–22 mm. The forewings are ash grey to brown with faint whitish lines. There is a dark brown patch on the inner margin near the base and a larger paler brown median patch bordered by the costa and the postmedial line. Adults are on wing from July to November.

The larvae feed on the roots of Solidago species.[3]

References
  1. tortricidae.com
  2. mothphotographersgroup
  3. Bug Guide


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