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Tathodelta
purpurascens Hampson
Tathodelta
purpurascens Hampson, 1893, Illust. typical Specimens lepid.
Heterocera Colln Br. Mus., 9: 32, 135.
Tathodelta
malayana Hampson, 1926, Descr. Gen. Spec. Noctuinae,
p. 259, syn.
n.
Diagnosis.
The species has similar facies to Codonodes rectigramma (see above) but is larger, and the
forewing has more of a purplish tinge, is more uniform, lacking dark markings
near the tornus and having the pale postmedial more strongly curved subcostally.
Taxonomic
note. The facies and male genitalia of purpurascens
and
malayana
are
very similar, indicative of conspecificity. The Bornean specimen has a slightly
more robust spur at the centre of the ventral margin of the valve. T.
aroensis Bethune-Baker
(New Guinea) has similar facies but the valves are apically broader, spatulate,
with the ventral spurs more basal. The aedeagus vesica has an additional distal
cornutus.
Geographical
range. Sri Lanka, India, Bali, Borneo.
Habitat
preference. A single specimen has been taken in partly disturbed alluvial
forest at the foot of a small limestone outcrop at 50m near Long Pala in the G.
Mulu National Park.
Biology.
See the generic account.
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