ゲンジボタル

noun

Genji firefly; Luciola cruciata

A species of firefly native to Japan, known for its relatively large size and bright light. Often contrasted with the smaller Heike firefly (ヘイケボタル).

• 夏なつになると、川かわの近ちかくでゲンジボタルが飛とび交かう。