Word

うじ
maggot; larva; grub
Word

土蛍

地蛍、蛍蛆
つちぼたる
glowworm
Word

蛆虫

うじむし
maggot; worm (used figuratively as a term of abuse)
Word

男やもめに蛆がわく

男やもめにうじがわく、男鰥に蛆が湧く
exp
おとこやもめにうじがわく
Widowers are untidy; A man alone soon goes to seed; A man goes to pieces without a woman to look after him