Eurypteryx falcata Gehlen
Eurypteryx falcata Gehlen, 1922, Dt. ent. Zeitschr., 1922: 360.
Diagnosis. The forewing tornus is strongly falcate. There is large dark
brown quadrilateral patch based on the costa, within which the pale discal
spot is situated subbasally. Between this mark and the tornus the wing is
tinged leaden grey in a broad band.
Taxonomic notes. Sundanian material has the brown quadrilateral slightly
larger, bounded by slightly less contrasting pale ground colour, and with
the pale discal spot more obscure compared to typical specimens from New
Geographical range. New Guinea, Borneo, Sumatra.
Habitat preference. Two specimens were taken in lowland rainforest at 300m
in the Ulu Temburong, Brunei. A third was recorded at 900m in lower
montane forest on the limestone G. Api, Sarawak.
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