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Micronia aculeata Guenée  
Micronia aculeata Guenée, 1857, Hist. nat. Insectes, Spec. Gen. Lep., 10: 26.
Micronia gannata Guenée, 1857, Ibid., 10: 26.
Micronia sondaicata Guenée, 1857, Ibid., 10: 26.
Micronia adjudicataria Walker, 1861, List Specimens tepid. Insects Colln Br. Mus., 23: 822.
Micronia responsaria Walker, 1861, Ibid., 23: 823.

Micronia aculeata

This and the next species have three strong, transverse grey fasciae on each ring, with a more even dispersion of finer striae set somewhat obliquely over them. The hindwing tail and its black spot are symmetric as in Acropteris Geyer, compared with the asymmetry in Strophidia Hübner and Pseudomicronia Moore. M. aculeata is smaller than its Bornean congener and more lightly marked, the striae appearing finer. The forewings, in the male at least, are apically more acute. The striae are weaker in the forewing costal zone or uniform with the rest, rather than more intense.

Taxonomic notes. The species is variable in the cream to grey tone of the ground colour, strength and density of the striae. Occasional specimens have the underside white rather than grey. The possibility of a species complex cannot entirely be discounted, but no differences in the male genitalia could be detected in the small number of specimens dissected representing extremes.

Geographical range. Oriental tropics east to Sulawesi.

Habitat preference. The species has not been recorded in recent surveys but most old material is from lowland localities.

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