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Idaea mundaria Walker 
Acidalia mundaria Walker, 1861, List Specimens lepid. Insects Colln Br. Mus., 23: 760.
Ptychopoda sextinotata Warren, 1900, Novit. zool., 7:108.

Idaea mundaria
(x 1.16)

Diagnosis. This species is pale grey with darker grey fasciae that are punctate with black on the veins (ante-and postmedials and submarginals on the forewing, the former two only on the hindwing). There are also marginal black dots on the veins.

Taxonomic notes. The male second sternite lacks a pouch or rugosity. The aedeagus vesica contains a simple, long, rod-like cornutus. The valves have weak basal coremata and taper to just subapically where they broaden into a triangle with a corona of setae, a few of the most ventral of which are larger and darker than the rest. The female has an elongate bursa, strongly spined throughout: there is no significant appendix bursae.

Geographical range. Borneo, Peninsular Malaysia.

Habitat preference. Recent material is from lowland and lower montane forests the latter at 1000m on G. Mulu and 900m on G. Api during the Mulu survey.

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