Miscellaneous Genera VI
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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.


Tathodelta purpurascens

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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