没ふ食し子ば蜂ち

• 虫むしこぶ

  虫こぶ is the gall itself, while 没食子蜂 is the insect that causes it.

• 蜂はち

  蜂 is the general term for wasps and bees; 没食子蜂 specifies the gall wasp family.

• 没ふ食し子ば蜂ち

  Standard kanji spelling for gall wasp; 没食子 refers to oak galls.

• 五倍子ふし蜂ばち

  Alternate kanji spelling using 五倍子 (gallnut); less common than 没食子蜂.

From 没食子, “gallnut,” and 蜂, “wasp,” naming the insect for the plant galls produced by its larvae. The reading ふし reflects the native word 五倍子 for such galls.