Erianthus is a genus of grasshoppers restricted to Southeast Asia. They occur in Japan, northeast India, Myanmar, Thailand, Vietnam, South China including Hong Kong, and extend east to Sumatra. In the past some neotropical species were also included in the genus. Wikipedia
ID was identified by Ming Kai Tan
Reference: https://lkcnhm.nus.edu.sg/wp-content/uploads/sites/10/app/uploads/2017/04/caelifera_btnr_ccnr.pdf
Spotted at Bukit Panjang – Jan 2021