Large white grass - Large white grass

...They thrive in temperate forests in the Northern Hemisphere, with about 200 species distributed worldwide and 29 in Japan. The only species with a blue-purple band on its hind wings is the purple one, but a closely related species, the large-white one, C. lara , has a yellow-white band and is particularly common in Hokkaido. [Sugi Shigeo]...

*Some of the terminology that refers to "Ooshiroshitaba" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…北半球の温帯林に繁栄し，世界に約200種，日本には29種が分布する。後翅に青紫色の帯をもつカトカラはムラサキシタバのみだが，近縁種に黄白色の帯をもつオオシロシタバC.laraを産し，とくに北海道に多い。【杉 繁郎】。…

※「オオシロシタバ」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報