black widow

US /ˌblæk ˈwɪdoʊ/
UK /ˌblæk ˈwɪdoʊ/
"black widow" picture
1.

vedova nera

a venomous spider of the genus Latrodectus, especially L. mactans, found in warm regions, the female of which is black with an hourglass-shaped red mark on the underside of the abdomen.

:
The bite of a black widow spider can be dangerous.
Il morso di un ragno vedova nera può essere pericoloso.
She identified the spider as a black widow by its distinctive red hourglass mark.
Ha identificato il ragno come una vedova nera dalla sua distintiva macchia rossa a forma di clessidra.