Parasa bimaculata Snellen
1897, Tijdschr. Ent. 40: 150.
in Piepers & Snellen, 1900.
1905,Ann. Mag. nat. Hist. (7) 15: 151.
Diagnosis. The male is almost entirely dark brown, the forewings apically produced
and with a broken subbasal green band; the hindwings are relatively small. The
female resembles a specimen of the previous species but the green band of the
forewing is narrow, especially the dorsal two thirds, and the dark subbasal
patch extends right across the wing rather than just over the costal half.
Geographical range. Java, Borneo, Peninsular Malaysia, Sumatra.
Habitat preference. Bornean specimens have been taken only in Sarawak, in
the lowlands around Kuching.
Biology. The larva was described and illustrated by Piepers & Snellen (1900).
It is dark green with four broad longitudinal, elevated dorsolateral and lateral
ridges on each side, and slightly lighter green transverse ones on each segment,
yielding a network of elevated ridges. The longitudinal ridges bear spined
tubercles at the intersections with the transverse bands; the dorsolateral row
is complete with no tubercles larger at the extremities, though there are black
spots at each end of the larva. The cocoon is oviform-flattened, yellowish
brown, enveloped in thick yellow silk. The host-plants recorded are Mangifera
(Anacardiaceae) and Nephelium (Sapindaceae).
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