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Aquis
Walker
Type species:
viridisquama
Walker, Borneo.
Synonyms:
Bantana
Walker (type species
albida
Walker, Borneo);
Dimirica
Walker (type species
nubifera
Walker =
viridisquama,
Borneo).
See the previous genus for external characters, though males always lack a patch
of scales on the hindwing costa.
The male abdomen has longer, more slender and separated apodemes on the eighth
tergite. The uncus is similar to that of
Barasa but there are no setose lobes on the anal tube, just weak bands of
sclerotisation. The tegumen is slender on each side, unmodified. The valves are
delicate, oval, each with a basal, exterior hair-pencil, but no harpe. The
aedeagus is short, flimsy, with a vesica as in Barasa.
The female genitalia are similar to those of Barasa, but the ductus is
shorter, more clearly defined with a colliculum. The appendix bursae is weaker,
more basally attached and unspined. The corpus bursae has similar ornamentation
to that of
Barasa.
In addition to the species described below, the genus includes aquisoides
Swinhoe (N.E. Himalaya) and excurvata de Joannis (Tonkin), though the
latter is probably misplaced, as may be
orbicularis
Walker in the Bornean fauna.
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