Type species: tortricaria Walker.
Synonym: Emodesa Moore (type species sinuosa Moore, N.E.
This genus also consists of small white species fasciated with grey. The
male antennae are unipectinate, those of the female filiform. The forewing
radial venation is reduced, the areole rather broad. The double postmedial
on the forewing and its centrally more intense greyish suffusion is
diagnostic. The hindwing area is almost as great as that of the forewing.
The male genitalia have the valves simple, narrow, rather elongate. The
saccus is broad. The socii and uncus differ markedly between the two
species in the genus. The eighth tergite is somewhat triangular, almost
twice as long as the sternite. Both are distally bifid, the notch between
the processes rounded.
The two species are rare, their biology unknown. In addition to the type
species and its Himalayan sister-species Zusidava
tortricaria Walker, Inoue (1988) added Z.
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