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Vestura Swinhoe
Type
species: adeba Swinhoe (= minereusalis Walker),
Singapore.
The only
species is of moderately delicate build, with facies as described below. The
wing margins are irregular, that of the hindwing without any definite angle. The
male antennae are strongly fasciculate basally, this tapering away distad. The
labial palps have a fan of scales at the apex of the second segment, obscuring
the third segment, in males, though they are more typically catocaline in
females.
In the
male abdomen, the eighth sternite is three times as broad as the tergite, deeply
bilobed distally, and more shallowly so along the narrowly thickened anterior
margin. The tergite is longer than broad, with a central lacuna two-thirds
distad. In the genitalia the uncus has an apical spur. The tegumen is twice as
long as the vinculum. The valves are broad, oblong, with a massive hair pencil
exteriorly at one third. There is a curved, triple, spine-like structure
subbasally.
There is
a juxta like a broad, short inverted ‘V’, but it is not specifically
associated with the valve bases. The aedeagus vesica is elongate, with a ring of
thorn-like cornuti basally and three (large, medium and small) distally.
In the
female, the ostium is between the seventh and eighth segments. The eighth
segment bears numerous setae as in Pangrapta Hübner
(p. 324). The ductus is imperceptible. The large, pyriform bursa is corrugated
and scobinate throughout, but more intensely at the very base.
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