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Arctornis phasmatodes Collenette comb. n.  
Leucoma phasmatodes Collenette, 1932, Novit. zool., 38: 55.
Redoa sparsa Toxopeus, 1948, Treubia, 19: 458, syn. n.
Redoa sparsa Toxopeus; Mackey, 1984: 7.

Arctornis phasmatodes


This is another species with slightly greenish areas to the wing membrane, and also blackish shading at the wing margins, though not in such distinct triangles as in marginalis. White scaling on the forewing is diagnostically denser in patches at the end of the cell, subapically, subtornally and centrally at the margin. The hindwing also has denser marginal areas.

Taxonomic note. The facies is similar to that of A. dinawa Bethune-Baker comb. n. (New Guinea), but the male genitalia are very different: dinawa has a shallow, trilobed uncus, with two further heavily sclerotised lobes ventral to it. Mackey (1984) noted that sparsa Toxopeus had been associated with phasmatodes by Collenette but cast doubt on this. In fact, the genitalia of the holotype female of phasmatodes are similar to those Mackey illustrated for sparsa.

Geographical range. Peninsular Malaysia, Borneo.

Habitat preference. Material has been taken infrequently, mostly in the lowlands, but with singletons from 1000m on G. Mulu and 1618m on Bukit Retak, Brunei.

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