Terpnosia is a genus of Asian cicadas in the tribe Leptopsaltriini (subtribe Leptopsaltriina), erected by William Lucas Distant in 1892; he named it from the Greek: ÃÂõÃÂÃÂýÃÂà(pleasant) and the suffix -ïñ. Species distribution records include: India, Sri Lanka, China, Japan, Indochina, Malesia through to New Guinea.
The World Auchenorrhyncha Database includes:
Note: T. nigricosta is now Yezoterpnosia nigricosta ; the genus also contains T. vacua.