SUBFAMILY SYNTOMINAE
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Trichaetoides albiplaga Walker comb. n.
   
Syntomis albiplaga Walker, 1862, J. Linn. Soc. Lond. (Zool.), 6: 92.
   
Syntomis albosignata Walker, 1864, List Specimens lepid. Insects Colln Br. Mus., 31: 71.
   
Trichaeta albiplaga Walker; Seitz, 1912-1913: 67.


Trichaetoides albiplaga


Diagnosis.
The species is completely black but for a large transparent patch in the position of the distal one in the previous two species. Its breadth is variable but it is usually narrower than that of the next species. The male genitalia are very close to those of the next species but have more elongate apical processes to the valve and a less massive cornutus in the aedeagus vesica.

Taxonomic notes. The female genitalia share with those of T. chloroleuca an asymmetric zone of sclerotisation where the ductus joins the bursa and also the oval zone of sclerotisation in the lamella postvaginalis. The male genitalia of T. vigorsi Moore (Java) share features of juxta shape, aedeagus vesica ornamentation and valve structure with albiplaga and apicalis. All five taxa (including separabilis as sister of chloroleuca) also have strong setae laterally on the tegumen. T. hosei, undissected, is likely also to fall in this group, sharing facies characters.

Geographical range. Borneo, Peninsular Malaysia, Thailand.

Habitat preference. No recent material has been seen. That in the BMNH is from both lowland and mountainous localities.

Biology. The species was noted to be day-flying by Seitz (1912).

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