Calopteryx cornelia (species of damselfly)
A species of broad-winged damselfly found in Japan. The name is usually written in katakana as ミヤマガワトンボ.
The Calopteryx cornelia is a beautiful damselfly that inhabits clear streams.
Katakana spelling is common for this species name; the word is usually written in kana.
Kanji spelling is rare and mainly used in scientific or literary contexts.
Compound of 深山 (みやま, 'deep mountain') + 川 (がわ, 'river') + 蜻蛉 (とんぼ, 'dragonfly/damselfly'), referring to its habitat.