Unassigned, possibly plesiomorphic genera
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Stictosia flexilisana Walker
   
Conchylis (?)flexilisana Walker, 1863, List Specimens lepid. Insects Colln Br. Mus., 28: 362.
   
Tospitis illatalis Walker, 1864, List Specimens lepid. Insects Colln Br. Mus., 30: 994.


Stictosia flexilisana (x 1.63)


Fig.10g: Stictosia flexilisana Walker


Diagnosis.
This and the next species, flava van Eecke, are very similar, but only flexilisana males have an androconial patch on vein Sc of the hindwing; this is darker than the rest of the wing. The two curved fasciae are slightly more basal in flexilisana, the medial one rather indistinct. In flava they are of equal prominence, relatively distal, with the hint of an antemedial/subbasal one that has black dots at one-third and two-thirds Bornean specimens of flava have a faintly darker discal lunule on the hindwing and have the vesica cornutus much reduced. The male genitalia are similar, but the uncus is shorter in flava, and also the saccus, such that the tegumen section is longer than the vinculum rather than the other way round.

Geographical range. Borneo.

Habitat preference. The species was found to be uncommon in lowland forest at altitudes no higher than 150m during the Mulu survey. Otherwise the only material seen is that collected by A.R. Wallace in lowland Sarawak and one specimen from Pulo Laut.

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