Genus Sphaerobelum Verhoeff, 1924

Type species: Sphaerobelum clavigerum Verhoeff, 1924, from Vietnam

Other taxa included (15):

S. hirsutum Verhoeff, 1924 (Vietnam)

S. bicorne Attems, 1938 (Vietnam)

S. separatum Attems, 1953 (Vietnam)

S. truncatum Wongthamwanich, 2012 (Thailand)

S. cattiense Semenyuk, Golovatch & Wesener, 2018 (Vietnam)

S. konkakinhense Semenyuk, Golovatch & Wesener, 2018 (Vietnam)

S. bolavensis sp. nov. (Laos)

S. phouloei sp. nov. (Laos)

S. denticulatum sp. nov. (Laos)

S. spinatum sp. nov. (Laos)

S. lachneeis sp. nov. (Laos)

S. peterjaegeri sp. nov. (Laos)

S. nigrum sp. nov. (Laos)

S. splendidum sp. nov. (Laos)

S. laoticum sp. nov. (Laos)

S. schwendingeri sp. nov. (Laos)

Distribution: Vietnam, with a single species ( S. truncatum) known from northern Thailand and ten new species described here from Laos (Fig. 5).

Remarks: For a recent revision of the generic characters of Sphaerobelum, see the literature (Wesener 2016a; Semenyuk et al. 2018).