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Ischyja
ferrifracta Walker
Potamophora
ferrifracta Walker,
[1863] 1864, J.
Linn. Soc. (Zool.), 7: 177.
Potamophora
schlegelii Snellen, 1884, Notes Leyden Mus.,
6: 87.
Ischyja
glaucopteron Hampson, 1891, Illustr. typical Specimens Lep. Het.
Colln Br. Mus. Colln Br. Mus., 8: 19, 88.
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Ischyja
ferrifracta  |
Ischyja
ferrifracta (Sri
Lanka) |
Diagnosis.
The pale brown wedge dividing the forewing apex identifies both sexes of this
species. The male has a distinctive loop containing leaden-grey on the dorsum at
one third that is separated from an 8-shaped patch of a similar grey distal to
the reniform by a zone of fawn speckles on black. The ventral constriction of
the 8 is produced by a distal tooth from the reniform. The male hindwings are
only slightly suffused blue basal to a clearly defined, narrow, pale blue
postmedial fascia.
Geographical
range. Borneo, Peninsular Malaysia, Java, Lombok, Dammer, Thailand (VK),
India, Hainan, Japan.
Habitat
preference. The only Bornean material seen is the holotype, collected in
Sarawak by A.R. Wallace, probably taken in the lowlands, a male from G. Marapok
in Sabah and a male from lowland forest in the Barito Ulu of Kalimantan Tengah.
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