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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.
Diagnosis. 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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