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Arctornis egerina Swinhoe
comb. n.
Leucoma
egerina Swinhoe,
1893, Ann. Mag. nat. Hist. (6), 12: 213.
Redoa
egerina gymnophleps Collenette,
1938, Ann. Mag. nat. Hist. (11), 2: 371.
Diagnosis. This is a distinctive species with wing veins and margins (particularly
the forewing costa) picked out brownish amid a white ground with, on the
forewing and tornal zone of the hindwing, a fine, transverse, rippled pattern
produced by narrower ridges of broader scales amid more translucent zones of
narrow, forked scales. There is a broad dark bar on the frons between the
antennae and brown spots on the legs. The palps are apically white, but brindled
with brown laterally basal to this. The male genitalia have a downwardly
directed apical hook to the valves, and rather short harpes that are apically
acute in the typical race, but broader and blunt in ssp. gymnophleps.
Geographical range. Singapore, Peninsular Malaysia, Borneo; Sumatra (ssp.
gymnophleps).
Habitat preference. The species is uncommon in lowland rain forest.
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