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Thinopteryx
crocopterata Kollar
Urapteryx crocopterata Kollar,
1844, in Hügel, Kaschmir 4: 483.
Thinopteryx striolata Butler,
1883, J. Linn. Soc. Lond. (Zool), 17: 202.
Thinopteryx crocopterata padanga Swinhoe,
1916, Ann. Mag. nat. Hist. (8), 18: 487.
Diagnosis. This and the next species are very similar in facies,
crocopterata being slightly larger with the wings less heavily irrorated
with grey such that the pale orange ground colour is more evident. The forewing
fasciae are more prominent, the antemedial more oblique in crocopterata, but
nebulosa has a conspicuous yellow patch just basal to the postmedial.
Taxonomic notes. The species occurs in a number of races, such
as coreae Wehrli from Korea and erythrosticta Wehrli from Yunnan,
not listed above. A related species, praetoraria Felder, occurs in
Sulawesi and the Philippines. The Sundanian race is padanga Swinhoe.
Geographical range. India
to Korea, Japan and Sundaland.
Habitat preference. Single
males were taken in hill dipterocarp forest at 500m and lower montane forest at
1000m on G. Mulu, and 1465m on Bukit Retak.
Biology. The larva was described by Sevastopulo (1947) and
illustrated by Sugi (1987). The head is pale buff, slightly indented above. The
body is rich reddish brown, apart from the pale buff oblique zone associated
with the prolegs mentioned in the tribal description, and the venter which is
pale buff grading greenish buff posteriorly. T3 is slightly swollen laterally, Al
has a quadrate dorsal spot, and A2-7 each have two pairs of subdorsal black
specks.
The pupa occurs in a cell formed by spinning together
a leaf. It is elongate, dark purple brown with dark green wing cases. The
cremaster is stoutly triangular, ending in two outcurved spines with a number of
shorter, hooked spines on either side.
The host-plant was Vitis (Vitaceae); Sato
& Nakajima (1975) and Sugi (1987) recorded Ampelopsis in the same
family as well as Vitis.
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