TRIBE ORGYIINI
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Pantana lithosioides Walker  
   
Amsacta lithosioides
Walker, 1862, J. Linn. Soc. (Zool.), 6:127.
   
Orgyia ruficeps
Rothschild, 1920, J. fed. Malay St. Mus., 8 (3): 132, syn. n.
   
Laelia hyperbuana
van Eecke, 1928, Zool. Meded. Leiden, 11: 96, syn. n.


Pantana lithosioides


Diagnosis.
The male is dark uniform brown, slightly richer on the forewing. The forewing discal area is faintly paler. The female may be that illustrated by Schintlmeister (1994) as P. luisa ruficeps and resembles that of macrotera Collenette (See Pantana melantera Collenette), except the dark spots surrounding the cell end are much darker, and surrounded by a somewhat paler zone.

Taxonomic note. The synonymy presented above is based on examination of type material. The species is distinguished from the similar P. luisa Pagenstecher (Nias) and P. adara Moore (Java) by the more square, less excavate distal margin of the valve, the lack of a digitate process ventrally on the aedeagus, and the presence of a finely spined process distally on the aedeagus vesica. P. lymantricoides Felder (Ambon, S. Moluccas) has male genitalia as in adara, and is represented by only the holotype. The locality is well to the east of other records for the genus, and therefore this may represent an introduction or a case of mislabelling.

Geographical range. Borneo, Sumatra.

Habitat preference. This is probably a lowland species, but material seen is old and mostly lacking precise data. One is from Bidi in Sarawak

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