noun
white-tailed skimmer (dragonfly)
Refers specifically to the subspecies Orthetrum albistylum speciosum, a common dragonfly in Japan.
池のそばでシオカラトンボを見つけた。
I found a white-tailed skimmer by the pond.
Katakana spelling is common for this dragonfly species; the kanji form 塩辛蜻蛉 is rare.
Kanji form; rarely used in practice.
The name シオカラトンボ (塩辛蜻蛉) literally means 'salty dragonfly', possibly from the powdery blue-white appearance of the male's abdomen resembling salt.