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Calliteara horsfieldii Saunders
Arctia
horsfieldii Saunders,
1851, Trans. ent. Soc. London, 1851: 162.
Dasychira
arga Moore,
[1860] 1858-9, Cat. Lepid. Insects Mus. E. Ind.
Co., 2: 339.
Dasychira
longipennis Walker,
1862, J. Linn. Soc. (Zool.), 6:131.
Lymantria
inhonorata Hopffer,
1874, Stettin. ent. Ztg, 35: 44.
Dasychira
horsfieldi queenslandica Strand,
1915, Gross-Schmett. Erde, 10: 293.
Dasychira
horsfieldii Saunders;
Holloway, 1976: 50
Calliteara horsfieldii 
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Calliteara horsfieldii |
Calliteara horsfieldii 
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Diagnosis. Males occur in two forms: with uniform grey forewings or with forewings
darker grey distal to the antemedial. The antemedial is strongly curved with the
concavity basad, whereas in the next species, cerigoides Walker, which
also has a yellow hindwing, it is angled distad, and has a bluish grey band
associated with it. The female of horsfleldii is mainly white, with only
faint markings on the forewing, whereas cerigoides has the forewing
heavily irrorated and fasciated with brown, and there is a yellowish tinge to
the hindwing.
Geographical range. Thailand, Sundaland, Sulawesi, S. Moluccas, Dammer,
Tenimber, New Guinea.
Habitat preference. The species has been recorded from the lowlands to as
high as 2600m on G. Kinabalu, with the variant with the uniform forewing pattern
tending to predominate at higher altitudes.
Biology. The larva is a striking pale yellow with the usual row of brushes
dorsally. The intersegmental membrane in this region is black. The secondary
setae are conspicuous and very much longer than the dorsal brushes. The larva is
illustrated by Barlow (1982) and Chey (1996).
Host-plant records include (Pholboon, 1965; Browne, 1968; Barlow, 1982;
Kuroko & Lewvanich, 1993; Hutacherern & Tubtim, 1995; Chey, 1996;
unpublished IIE and FRIM records): Anacardium, Mangifera (Anacardiaceae);
Casuarina (Casuarinaceae); Brassica (Cruciferae); Dipterocarpus,
Hopea, Shorea (Dipterocarpaceae); Acacia, Cassia, Erythrina,
Pterocarpus, Tamarindus (Leguminosae); Lagerstroemia (Lythraceae); Ficus
(Moraceae); Eucalyptus, Eugenia, Psidium, Syzygium (Myrtaceae);
Pinus (Pinaceae); Rosa (Rosaceae)
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