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"This is the most complicated potion I've ever seen. Lacewing flies, leeches, fluxweed, and knotgrass. Well, they're easy enough."
Hermione Granger on the ingredients of the Polyjuice Potion[src]
Lacewing-flies-lrg

A jar of lacewing flies

Lacewing flies, or just lacewings, are small green insects named for their large, transparent, laced wings. Lacewing flies are sold at the Magical Menagerie.[1] Stewed lacewing flies are an ingredient used in the Polyjuice Potion,[2] where they must be stewed for twenty-one days. Lacewing flies are not on the Restricted Register.

History

In 2020, some Lacewing flies appeared to be missing from the Hogwarts Potions stores.[3]

Etymology

It appears that these flies have lace-like wings therefore giving them the name "lacewing" flies.

Behind the scenes

  • The use of lacewing flies in the Polyjuice Potion was chosen by J. K. Rowling to represent "an intertwining or binding together of two identities", as suggested by the word "lace" in the name.[4]

Appearances

Notes and references