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