Translation guide
Spanish fly refers to a substance derived from blister beetles, historically used as an aphrodisiac. In Japanese, it is usually referred to by its borrowed name or described by its effects.
Referring to the actual chemical or the insect itself
Referring to Spanish fly as a legendary aphrodisiac or love potion
The general term for aphrodisiac. Use this when the context is about love potions or sexual stimulants, not necessarily the specific substance.
Spanish fly is toxic and can cause serious harm. In Japanese contexts, it may be associated with danger or historical quackery. Avoid implying it is safe or recommended.
Spanish fly is a dangerous poison.
The direct loanword from English, commonly used in Japanese to refer to the aphrodisiac substance.
Spanish fly contains cantharidin.
The chemical name for the active compound in Spanish fly. Used in scientific or technical contexts.
Cantharidin causes skin irritation.
From the genus name Cantharis, sometimes used to refer to the beetle itself. Rare outside entomology.
Cantharis is a type of beetle.
He was rumored to have used an aphrodisiac.
Literally 'love potion', often used in folklore or fantasy contexts. More colloquial than 媚薬.
If I give them a love potion, maybe they'll fall for me.
Explicitly clarifying that you mean Spanish fly as an aphrodisiac. Useful when the context might be ambiguous.
Spanish fly was used as an aphrodisiac in the past.