Remarks: The typically wedge-shaped body, highly developed hind coxal plates, enlarged hind femora, apically expanded tibiae and subapical ridge of spines in the outer surface of the hind tibiae define this specimen as Mordellidae (Jackman and Lu, 2002).
Liu et al. (2007) proposed a new key to the subfamilies of Mordellidae modified from Franciscolo (1957). According to this
key, Mediumiuga sinespinis gen. et sp. nov. should be emplaced in the subfamily Mordellinae. The new species does not shows a