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Spilosoma
borneensis Rothschild stat. n.
Diacrisia semperi borneensis Rothschild,
1910, Novit. zool., 17: 151.
Spilosoma semperi borneensis Rothschild;
Holloway, 1976: 4.
Spilosoma
borneensis 
Spilosoma
borneensis 
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Diagnosis. The species is a rather deep, dull, brownish yellow with a reddish
abdomen and a reddish suffusion to the forewing underside, particularly strong
in the male. The male is only lightly marked in black, the female more so, with
black spots much as in hosei though lacking them antemedially on the
costa and having the postmedial defined by a sinuous brown shaded band.
Attribution of these males (the holotype is female) is tentative; W. Thomas (pers.
comm.) predicts that the male should resemble the female as in related taxa.
Taxonomic notes. The species is allied to roseata Rothschild from Java, the males
of roseata resembling borneensis females in facies; both differ
from S. semperi Rothschild (Sumatra, Peninsular Malaysia) in male
genitalia; borneensis differs from roseata in the male genitalia
where the valve is broadly bilobed apically rather than narrowly bilobed. In
facies the female of borneensis resembles the male of roseata, but
females of the latter are unknown.
Geographical range. Borneo.
Habitat preference. The species is only known from G. Kinabalu, at
altitudes from 1200m to 2000m.
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