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Squamura
maculata Heylaerts
Squamura maculata Heylaerts, 1890, Ann. Soc. ent. Belg. 34,
Compt. rend.: 26.
Arbela flavina Mell, 1923, Deutsch. ent. Zeitschr, 1923:
165, ?syn.
Squamura sumatrana Roepke,
1957: 48, ?syn.
Diagnosis. The forewing discal spot is much smaller, more rounded than in roepkei,
and the hindwing is almost white rather than cream or brown. In the male
genitalia the uncus is deeply cleft and the anal tube sheath is somewhat more
sclerotised; the saccular process of the valve is shorter than in roepkei.
Taxonomic notes. The confusion regarding the identity of flavina has been
discussed by Holloway (l982a). Roepke (1957) considered there were two
species, lowland versus montane, of this general facies type in Java, but
Bornean and Sumatra material examined indicates there is a degree of variability
in both facies and genitalic characters. So the possible complex is here treated
as a single taxon under the oldest available name.
Geographical
range. Sumatra,
Borneo, Java, ?Cambodia (Roepke).
Habitat preference. The species has been taken infrequently in lowland
and lower montane forest.
Biology. The notes on biology in the family description are based on
Roepke's (1957) review of an earlier paper on this species.
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