轡虫

轡(くつわ)虫(むし) or 轡虫(クツワムシ) • (kutsuwa mushi) 

1. giant katydid, Mecopoda niponensis, a species of katydid in the family Tettigoniidae

   Synonyms: ガチャガチャ (“gacha gacha”), 糸繰 (itokuri), 管巻 (kudamaki)

2. (figurative) a noisy person, noisy people

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary), as クツワムシ (kutsuwamushi).

• Matsumura, Akira, editor (1995), 大辞泉 [Daijisen] (in Japanese), First edition, Tokyo: Shogakukan, →ISBN
• Yoshiro Kojima, Shigeru Takebayashi, Keisuke Nakao, and Hideo Masuda, editors (2005), Luminous Japanese-English Dictionary, second edition, Kenkyusha