Arctornis rugosacculus sp.
14mm. The facies is similar to that of brunnescens,
including the frons and palp colour, but the male genitalia are distinctive.
The harpe is more slender and distinctly downturned at the apex. The sacculus
has a diagnostic, rugose, leaflike plate arising from it.
LP 298, Temburong, 300m, 5.x.1978 (T.W. Harman), BM lymantriid slide
Geographical range. Borneo.
Habitat preference. The only specimen is from lowland dipterocarp forest.
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