Miscellaneous Genera VI
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Chorsia hemicyclopis Hampson comb. n.
Pseudogyrtona hemicyclopis Hampson, 1926, Descr. Gen. Spec. Noctuinae, p. 216.


Chorsia hemicyclopis

Diagnosis. The forewings are more distinctly marked than in other species in this genus, particularly the dark brown trapezium with whitish edging at the apex of the costa. There is a dark dot and a pale oblique basal streak that runs obliquely from the base of the costa across half the wing towards the tornus. In males, the grey hindwings are bisected longitudinally by a paler wedge.

Taxonomic note. The valves have an oblique longitudinal pleat that separates a costal strip from an extensive saccular portion that extends to a spur at the distal end of the pleat just short of the apex. The aedeagus is short but has a relatively complex vesica that terminates in a robust cornutus.

Geographical range. Borneo, Thailand (VK).

Habitat preference. This is an uncommon species of lowland forest up to 500m, but can also occur in secondary and disturbed forests.

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