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Derambila herbuloti sp. n.
Derambila herbuloti 
(holotype) |
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8mm. This species is similar in size to those of the saponaria group,
but has a conspicuously large black forewing discal spot and relatively large
brown patches in the fasciae. Those on veins M2 and M3 of the postmedials on
both wings are diagnostically displaced distad. The submarginal patches are
close to the margins, themselves only faintly finely delineated darker (rather
than punctate). The Sri Lankan D. adaucta Prout has a similarly large
discal spot, but the margins are punctate and the brown patches weak everywhere
except at the forewing dorsum and at the hindwing disc and costal zone. The
genitalia of herbuloti have a long, very slender uncus with a small
setose pad at the tip. The valves have a quadrate expansion at the centre of the
costa, and an upwardly falcate apex. The aedeagus vesica contains one large and
two small cornuti.
Holotype SABAH
(N. Borneo). Env. de Sandakan, Sepilok, 26/28.iii.1987 (C. Herbulot) in
Colln Herbulot.
Geographical range. Borneo.
Habitat preference. The holotype is from a locality with lowland
dipterocarp forest and its secondary derivatives.
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