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Asta
quadrilinea Walker
comb. rev.
Asta
quadrilinea Walker,
[1863] 1864, J.
Linn. Soc. (Zool.), 7: 171.
Bocana
quadrilinealis Moore,
1867, Proc.
zool. Soc. Lond., 1867: 88.
Avitta
quadrilinea Walker;
Holloway, 1976: 39.
Diagnosis.
This and the next species have elongate grey brown forewings with a mauvish
sheen and four oblique, parallel darker brown fasciae, with dark brown reniform
and orbicular dots flanking the second one from the base. The forweing underside
is concolorous with the hindwing in quadrilinea.
Taxonomic
note. The valves of Bornean males differ from those of males from New
Guinea in becoming distinctly broader towards the rounded apex rather than
parallel-sided with a slight taper over the distal third. As the next species
also has the latter valve shape, it is probably best to treat all three taxa as
distinct. New Guinea, Queensland and Solomons material with a grey forewing
underside is referable to A. completa Rothschild
stat.
& comb. n..
Geographical
range. Borneo, Peninsular Malaysia, Thailand, Indian Subregion,
Philippines, Sulawesi.
Habitat
preference. The species has been recorded infrequently in forested
localities from the lowlands to 2600m.
Biology.
Bell
(MS) described the larva. The prolegs on A3 are lacking, those on A4 are
reduced. The head is dull yellow with a black surround. The body is a uniform
dull watery green, yellowish on segmental margins when these are compressed.
The
larva lives beneath the tender leaves that it prefers, and rests stretched out,
sometimes on the petioles. Pupation is on the ground in a loose cell of silk
incorporating detritus. The pupa does not have a powdery bloom.
The host
plant recorded by Bell was Alseodaphne, and Robinson et al. (2001)
noted Cinnamomum,
both in the Lauraceae.
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