Dumatha Walker Gen. rev.
Type
species: herbida Walker.
The forewings are pale
greenish brown or a darker olive greenish
grey, variegated with transverse wavy fasciae, the postmedial and antemedial
being narrowly silvered. There are darker spots associated with the submarginal
in some of the specimens. The forewing venation is similar to that of the
previous genus but the hindwing is quadrifine.
The male abdomen has a basal tymbal structure of the broad, complex Chloephorini
type, and the modification of the eighth segment is similar to that seen in
Clethrophora
and Chloroplaga.
The genitalia are also somewhat similar, particularly in the valve structure,
though the uncus is long, slender, slightly sinuous, an enlarged version of that
seen in Parasinna
or in Beara Walker. The aedeagus vesica contains a mall bundle
of slender cornuti.
The female has rather square ovipositor lobes and a relatively short ductus and
bursa, the latter elongate, immaculate, but with a slight, sharp, subbasal
constriction.
Only the type species is included, but there are some similarities in forewing facies with Gariga. The tymbal organs are somewhat similar to those of
the previous genus and
Homophlebia
Warren (Indian Subregion, Lesser Sundas), which also has a very slender uncus.
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