Type species. Metaculus syzygii Keifer, 1962a: 12–13.
Diagnosis. Body fusiform; scapular setae (sc) and tubercles on rear shield margin, directed posteriorly; empodium entire; anterolateral setae on coxisternum І (1b) absent.
This genus consists of 10 species (Amrine et al. 2003). Only one species has been recorded from Southeast Asia.