5. Simulium (Gomphostilbia) brinchangense Takaoka, Sofian-Azirun & Hashim, 2014

Simulium (Gomphostilbia) brinchangense Takaoka, Sofian-Azirun & Hashim, 2014a: 55–61 (female, male, pupa and larva).

Specimens examined. Four males (reared from pupae and preserved with their associated pupal exuviae and cocoons in vials with 80% ethanol), five mature larvae (all preserved in a vial with 80% ethanol), collected from the same stream as noted under the holotype of S. (G.) hongthaii sp. nov.

Distribution. Malaysia and Vietnam (new record).

Remarks. This species was described from Peninsular Malaysia and assigned to the asakoae species-group (Takaoka et al. 2014a). According to keys (Takaoka et al. 2014a), four males, their pupal exuviae and mature larvae collected from Tam Dao National Park are identified as S. (G.) brinchangense .