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“Aquis” orbicularis Walker
Diomea
orbicularis
Walker, 1858, List Specimens lepid. Insects Colln Br. Mus., 15: 1804.
Labanda
griseinigra
Hampson, 1894, Fauna Br. India, Moths, 2: 374.
"Aquis" orbicularis
"Aquis" orbicularis
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Diagnosis.
This is a variable species with some resemblance
in size, shape, colour and markings to the previous two, but the forewing
pattern is more in blocks, diffusely defined, but often with a curved transverse fscia in the medial
area.
Taxonomic note.
The male genitalia indicate this species is
misplaced
in Aquis, with a strange, shouldered tegumen and uncus, a scaphial
structure similar to that of some Ariolicini, and a complex valve with
a rather convolute saccular area and, more distally, a longitudinal zone of
peg-like setae, another ariolicine feature. There is a narrow and prominent
saccus. The female has very short ovipositor lobes, twice as deep as long,
rectangular. The eighth segment is also short, as are the ductus and bursa, the
latter rather triangular and containing a horseshoe-shaped, spined signum that
extends over most of its length. “A.”
crenulata
Bethune-Baker stat. rev. (=
babooni
Bethune-Baker) is a distinct but related species from New Guinea. The uncus is
triangular rather than trifid, and the valves are broader, with a rounded distal
margin fringed by hairs, the field of peg-like setae central-lateral rather than
apical.
Geographical range.
Indian Subregion, Peninsular Malaysia, Borneo.
Habitat preference.
The species is never common, but is found in a range of forest types from the
lowlands to 1790m.
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