Gaeana cheni is a cicada found in China, Thailand, and Vietnam.
Photo by Michel Chantraine:
Scientific classification:
Family: Cicadidae
Subfamily: Cicadinae
Tribe: Gaeanini
SubTribe: Gaeanina
Genus: Gaeana
Species: Gaeana cheni Chou & Yao, 1985
A nice comparison of Gaeana & Callogaeana:
GaeanaとCallogaeanaの違いは、赤線で囲った翅室の大きさに顕著(中途半端な見分け方だけど)。
Callogaeanaのほうが長く、特に下の翅室が分かりやすい pic.twitter.com/xfW2XVAKQE— はっぽーさい (@musinomushi) May 16, 2021