Spanish fly

US /ˌspæn.ɪʃ ˈflaɪ/
UK /ˌspæn.ɪʃ ˈflaɪ/
"Spanish fly" picture
1.

mosca española, cantárida

a preparation made from dried beetles (family Meloidae) that contains cantharidin and was formerly used as an aphrodisiac, but is now known to be dangerous and ineffective for that purpose

:
The old tale spoke of a love potion made with Spanish fly.
La vieja historia hablaba de una poción de amor hecha con mosca española.
Using Spanish fly is dangerous and can cause serious health problems.
Usar mosca española es peligroso y puede causar serios problemas de salud.