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Chalcoscelides Hering
Type species: castaneipars Moore
This genus contains only the one species. The male antennae are
bipectinate to the apex, the palps upcurved as in Altha, Narosa and
allies. The forewing facies over the distal half is somewhat reminiscent of Altha
nivea Walker and allies but the margin is not marked by dots but with a fine
dark brown line; the veins also grade dark brown towards the margin and the
hindwing is similar. The genus is characterised in facies by the rectangular
dark brown zone, set obliquely in the wing, the basal corner of which is pale
purple.
The male genitalia are as illustrated, the uncus short, blunt, setose,
and the gnathus very broad and flat, features paralleled somewhat in Chalcocelis,
or perhaps homologous. The valves are simple, apically hooked dorsad and with a
basal zone of setae on the costa. The saccus is moderately produced.
In the female there is a plate dorsal to the ovipositor lobes that is
scobinate over the posterior margin; this is probably not homologous with the
secondary lobes of Altha, but is shared with Chalcocelis, and
possibly other genera. The ductus bursae is not obviously spiralled and the
bursa is without signa.
The larva is distinctive, showing extreme lack of external processes, as
described below.
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