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Idaea
phaeocrossa Prout
Sterrha phaeocrossa Prout,
1931, Novit. zool., 37: 20.
Diagnosis. This and the next two species have a fawn ground colour and are
fasciated and bordered with reddish or dull purple. In phaeocrossa the
discal spots are not conspicuous. The borders and fasciae are broader than in craspedota,
which has discal spots, but not as broad as in I. vacillata Walker
where discal spots are also inconspicuous.
Taxonomic notes. The male lacks a pouch on the second sternite. The genitalia,
particularly the valves, are elongate, large, though the aedeagus is only
moderate in size. The female bursa is complex, with extensive fields of spines
Geographical range. Peninsular Malaysia, Borneo, Hong Kong.
Habitat preference. Recent records have been from diverse habitats:
primary and secondary lowland forest, particularly dry heath forest; lower
montane forest at 900m on the limestone G. Api.
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