Tentasetae is a genus of moths of the Erebidae family containing only one species, Tentasetae cambodiana, which is only known from Cambodia. The species was described from Bokor National Park.
The wingspan is about 12 mm. The forewings are beige, suffused with brown areas. There are six black dots on the costa and a dark brown medial area across the wing. The crosslines are beige and indistinct, except the terminal line which ismarked with black intervenal dots. The fringes are brown. The hindwings are grey with an indistinct discal spot. The terminal line is brown and the fringes are grey. The underside is unicolourous brown. The forewing with costal dots like on the upper side and the hindwing is grey with a discal spot.