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Metallolophia Warren
Type species: vitticosta Walker.
The male antennae are serrate or ciliate. There is some diversity in the
markings of the upperside of the wings, but the discal spots are
characteristically large, pale-centred with fine dark boundaries. On the
underside the submarginal bands are faint, broad, diffuse. The forewing discal
spot only is strong, and a generic feature is the presence of dark streaks or
spots basal to it.
The male abdomen also has features that define the genus. The third
sternite lacks setal patches. The uncus is vestigial, the socii lying close to
each other, apically acute, slightly divergent. The valve is diagnostically
ornamented: a rather boarmiine-like expansion and setation to the apex of the
costa; a central basal lobe; a sclerotised, digitate or blade-like saccular
process. The aedeagus has an apical saw-like serration; the vesica is small with
a single moderate, rather blunt cornutus distally.
The female of the type species has typically geometrine ovipositor
lobes, and a pyriform bursa, immaculate, set on a robust ductus. The lamella
antevaginalis is broadly, transversely corrugate.
The genus is moderately speciose, restricted to the Oriental tropics.
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