blister beetle

US /ˈblɪstər biːtl/
UK /ˈblɪstər biːtl/
"blister beetle" picture
1.

斑蝥, 芫菁

a beetle of a family (Meloidae) that produces a substance (cantharidin) that irritates the skin and causes blisters, formerly used in medicine as a counterirritant and aphrodisiac.

:
The farmer warned us about the blister beetle in the fields.
农民警告我们田里有斑蝥
Contact with a blister beetle can cause skin irritation.
接触斑蝥可能导致皮肤刺激。