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Sasunaga
interrupta Warren ssp. murudensis Prout comb. n.
Sasunaga
interrupta Warren, 1912, Novit. zool. 19: 15.
Magusa
oenistis murudensis Prout, 1926, Sarawak Mus. J., 3: 212.
Magusa oenops
Prout, 1928,
Bull. Hill Mus. Witley, 2:64, syn. n.
Sasunaga
oenistis murudensis Prout; Holloway, 1976: 9.
Diagnosis.
This is the
largest of the four Bornean species, the males having the forewing apex strongly
produced, and the wings a striate, deep, almost red-black brown; the females
have the forewing less produced, more variegated, but a similarly pinkish tinge
is present.
Taxonomic notes. This species is distinct from S. oenistis Hampson
(Sulawesi to Fiji). The reniform stigma of the forewing is very much smaller
than in that species; where the basal half of the forewing is anteriorly darker
(females), then the boundary between the dark and pale halves has a dentation
from the former to the latter in oenistis but not in interrupta. In
the male genitalia the uncus is apically more angular and the valve sacculus not
so expanded dorsally as in oenistis or the related Fijian S. tomaniiviensis
Robinson. The Bornean and Sumatran race is darker, pinker and less
variegated, particularly in the female, than the typical race from more easterly
localities.
Geographical
range. Borneo,
Sumatra; Java, Bali, S. Moluccas, New Guinea.
Habitat
preference. Almost
all records have been from upper montane forest, where the species is often
common.
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