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Chrysopera Hampson
Type
species: combinans Walker,
Sri Lanka.
The
general appearance is similar to that in the Avitta sequence
of genera, except the male antennae are narrowly bipectinate (not much more than
serrate). The basic facies is similar to that of Pantura
rufifrons (see above), except the type species has a well defined paler
patch distally on the forewing costa, and the hindwing apex is broadly yellow.
In the
male abdomen, the eighth tergite is broad, with stronger sclerotisation in a
weak W-shape. The sternite is trifid distally, with the central lobe better
defined but shorter than the ones on each side. The genitalia appear
superficially similar to those of Asta, Pantura
and
Heoeugorna,
but lack a scaphium and have the tegumen distinctly shorter than the vinculum.
The valves are more broadly attached to the rest of the capsule and have a basal
hair-pencil; there is a small digitate process centrally. The juxta is a broad
version of the inverted ‘V’ type, with the anellus set well within its apex.
The uncus has a distinctly narrower apical spine.
The
female genitalia have features somewhat intermediate between those of the
previous two genera.
A New
Caledonian species described in Avitta by
Holloway (1979) with facies much closer to Pantura rufifrons has
male genitalia with all the features of Chrysopera and
is therefore transferred to the genus as C. pectinata Holloway comb.
n.
The
larva of the type species is described below.
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