塩辛蜻蛉(シオカラトンボ) common skimmer

　雄と雌で体の色が大きく異るトンボです。写真はオスでシオカラトンボと呼ばれます。メスは黄色を基調とした体色で、ムギワラトンボと呼ばれます。

　This is a dragonfly with a body color that differs greatly between males and females. The photo is male and is called "shiokara-dragonfly" in Japanese. "Shiokara" means salted fish guts, because old male body is dredged with gray powder like salt. Females have a yellow-based body and are called "mugiwara-dragonfly". "Mugiwara" means straw.