Play word 雪虫 雪虫 ゆきむし flies that appear above fallen snow in the early spring (esp. certain species of small winter stonefly and true crane fly)
Play word 船虫 船虫 ふなむし wharf roach (species of isopod closely related to the sea slater; Ligia exotica)
Play word 大の虫を生かして小の虫を殺す 大の虫を生かして小の虫を殺す だいのむしをいかしてしょうのむしをころす sacrifice something small in order to save something great
Play word 大の虫を生かして小の虫を殺せ 大の虫を生かして小の虫を殺せ だいのむしをいかしてしょうのむしをころせ sacrifice something small in order to save something great
Play word 虫干し 虫干し むしぼし airing of clothes, hanging scrolls, etc. (to prevent damage from insects and mould)
Play word 虫封じ 虫封じ むしふうじ incantation to rid a child of insects traditionally believed to cause disease
Play word 虫籠窓 虫籠窓 むしこまど window with an ultra-fine lattice (often on upper floors of traditional buildings, e.g. Kyoto townhouses)