Eucosma dorsisignatana var. diffusana Kearfott, 1905
Carpocapsa distigmana Walker, 1863
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]
The wingspan is 12–22 mm. Adults are on wing from July to November.
The larvae feed on the roots of Solidago species.[3]
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