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Pantydiametaphaea Hampson
Isoura metaphaea Hampson, 1912, J. Bombay nat. Hist. Soc., 21: 1228.


The facies is reminiscent of that of Avitta Walker species, but the diffuse paler and darker banding of the hindwings above and below and lack of a discal spot below distinguish metaphaea. The forewing is a uniform brownish grey with black fasciation and reniform much as in some Avitta, but the fasciae just distal to the reniform are threefold, straight rows of small black chevrons.

Taxonomic note. The abdominal features of both sexes indicate this species is misplaced in Pantydia. The male has the eighth segment only slightly modified. The uncus is short, with slight lateral flanges basal to an acute apex. The valves are simple apart from a prominent process on the centre of the costa. The juxta is rectangular, atypical. The aedeagus is short, the vesica globular, with only slight scobination. The female has the ostium closely associated with the complete ring (typically interrupted ventrally) of the eighth segment, rather than with the seventh, which is barely modified. The ductus is long, with a short sclerotised basal section with a colliculum The bursa has a long neck but is spherical distally, with two obliquely placed scobinate signa.

Geographical range. Sri Lanka, Borneo, Sumatra, Philippines, Queensland.

Habitat preference. Two Bornean specimens have been located, one from Balikpapan in the lowlands of Kalimantan and one from 1670m on Bukit Pagon in Brunei.

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