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Chorsia
octosema Hampson comb. n.
Pseudogyrtona
octosema Hampson, 1926, Descr. Gen. Spec. Noctuinae,
p. 216.
Diagnosis.
The forewings are variegated brown and greenish, with grey and white highlights.
The discal dot is at the apex of a greenish triangle at the centres of the costa.
The apex is bisected by a white bar, and there is a fine, zig-zag black
submarginal. The facies is similar to that of the sequence of four species below
from dinglei
sp.
n.,
so identity is best confirmed by dissection.
Taxonomic
note. The original description included two males from Sandakan as
types, but referred to one as aberrant. The latter is in fact a distinct species
(see dinglei
sp.
n. below)
and therefore the other specimen should be designated LECTOTYPE.
Geographical
range. Borneo.
Habitat
preference. The only specimens seen are from Sabah, the holotype male from
Sandakan on the coast and a second specimen from the understorey of primary
forest 150m near the Danum Valley Field Centre.
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