TRIBE GEOMETRINI
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Chloroglyphica Warren

Type species: variegata Butler, India.

The facies above is a deep emerald green, grading yellower towards the forewing apex where there is also a narrow marginal red zone in some species. There are pale fasciae of variable intensity, but a feature in almost all species is a greater or lesser degree of untidy pepper-and-salt clouding in the marginal zone. The underside is paler: in some species the hindwing is almost white with, anteriorly, a black border (see C. xeromeris Prout ). The male antennae are narrowly bipectinate to about four-fifths.

There is a pair of setal patches on the male third sternite. The eighth sternite terminates in a bifid structure. The socii are robust, set apart from each other by a broad, sometimes U-shaped sclerite on which is based the slender, digitate uncus. The valves are elongate, often slender, costally sclerotised, ventrally weak and laminate. There are large coremata.

The ovipositor lobes of the female are elongate, tapering, acute. The lamella postvaginalis is disc-like, not much broader than the ostium. In the Bornean species, the bursa is spindle-shaped, slightly fluted and scobinate towards the base but lacking a signum. It is set on a ductus half its length, but the genitalia of the type species are less modified.

The genus is entirely Oriental, with C. xeromeris the most southerly representative.

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