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Flavinarosa
Gen. n.
Type
species: holoxanthia Hampson
The wing venation is much as in Narosa and the antennae are
similarly filiform in the male. The forewings are a rufous, or brownish yellow
with an obscure, fine, irregular curved medial that is somewhat darker.
The genus is defined by the genitalia of both sexes.
In the male the valves are distally expanded, slightly falcate costally;
the uncus is apically bifid with a sclerotised subapical spur ventrally; the
aedeagus vesica contains a series of small cornuti. The eighth tergite is
slightly produced so this may be the sister genus to Heringarosa discussed
below.
In the female the ductus bursae is sclerotised, irregularly spiralled,
and there is a distinctive inverted triangular field of scobination in the
bursa, the spines directed away on each side of a ridge that bisects the
triangle (Fig. 128).
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In addition to the type species the genus contains a further species,- obscura
Wileman (Taiwan), hereby transferred from Narosa, comb. n.
Narosa fletcheri West, a yellow species from Sri Lanka, has all forewing veins rising
independently from the cell and is certainly not a Narosa, probably not a
limacodid. The holotype is
the only specimen and is somewhat worn and damaged.
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