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Checupa Moore

Type species : fortissima Moore, N.E. Himalaya.

species are all large, with striking green and brown forewings with a contrasted pattern that involves expansion of the reniform and orbicular to form the arms of a pale central 'V'. This feature is also seen in many species of the next few genera and others such as Euplexia Stephens and Trachea Ochsenheimer (the latter is known from Peninsular Malaysia (Yoshimoto, 1987a)). In Checupa the apex of the male abdomen is enclosed by lateral tufts of hair-like scales, and the male genitalia provide a number of diagnostic features: the uncus is apically cup-like, the rim of the cup surrounded by setae; the cucullus is slender throughout, with one of the coronal setae enlarged into a large spine, massive in some species; the costal process on the valve is set distal to the rather dorsally placed, spine-like harpe, below which, from the ventral margin of the costa, arises a row of long, blade-like setae; the aedeagus vesica is long, with a terminal group of large cornuti and a band of very much smaller ones running longitudinally over the finely scobinate zone just basal to it. The abdomen has a pair of coremata on sternite 8, smaller, well separated ones on tergite 7, and small lateral tufts of scales on the distal margins of tergites 3 and 5. The basal trifine hair pencils are well developed.

In the female genitalia there is a strong appendix bursae, and the bursa contains four long, fine, scobinate bands; typical trifine signa. The ovipositor lobes are cashew nut-shaped.

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