noun
Yanbaru long-armed scarab beetle
A rare beetle species (Cheirotonus jambar) endemic to the Yanbaru region of Okinawa.
ヤンバルテナガコガネは沖縄県の天然記念物に指定されている。
The Yanbaru long-armed scarab beetle is designated as a natural monument of Okinawa Prefecture.
The name is a compound of 山原 (Yanbaru, the region in northern Okinawa), 手長 (long-armed), and 黄金虫 (scarab beetle). The exact derivation is straightforward from its appearance and habitat.