noun
yellow darter
A dragonfly species (Sympetrum croceolum) found in East Asia. Typically written in kana.
池のそばでキトンボを見つけた。
I found a yellow darter by the pond.
Compound of 黄 (ki, 'yellow') and 蜻蛉 (tonbo, 'dragonfly'). The exact derivation is straightforward.