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Idaea phaeocrossa Prout
Sterrha phaeocrossa Prout, 1931, Novit. zool., 37: 20.

Idaea phaeocrossa
(x 1.16)

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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