Kodiosoma fulvum Stretch, 1872 is most related to Cycnia species
according the male genitalia structure

Species of both genera has membranose part of valva covered the sclerotized parts.

Kodiosoma fulvum male genitalia

Male genitalia of Kodiosoma fulvum Stretch, 1872, without aedeagus.

Kodiosoma fulvum, aedeagus

Aedeagus of Kodiosoma fulvum Stretch, 1872.
USA, California, Napa County, Butts Canyon North of Aetna Springs, 31.III 1972, received from P.Opler

Cycnia tenera male genitalia

Male genitalia of Cycnia tenera Hübner, 1818, without aedeagus.

Cycnia tenera, aedeagus

Aedeagus of Cycnia tenera Hübner, 1818.
USA, Pennsylvania, Westmoreland County, 1.5 miles west of Greensburg, 10.VI 1984, Thomas A.Greager leg.

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