Darthula
Darthula is a genus of treehopper and is the only Old World representative of the family Aetalionidae. Two species are known from the Himalayas, Darthula hardwickii and Darthula xizangensis. Darthula hardwickii is found in parts of northeastern India and is traditionally eaten in Nagaland. References 

Aetalionidae
Edible insects