放屁虫
へ
ひ
り
む
し
Meanings
1
rare term
Specifically refers to the bombardier beetle, especially Pheropsophus jessoensis. Rare term; more commonly called 三井寺歩行虫 or へっぴりむし.
See also: ミイデラゴミムシ · ヘッピリムシ (へっぴりむし)
The bombardier beetle sprays gas from its rear when attacked by an enemy.
2
Also used for stink bugs (椿象), though this usage is less common and may be considered a misapplication.
See also: カメムシ
I'm having trouble with stink bugs on the vegetables in my garden.