Pyrota insulata

Pyrota insulata, sometimes known by the common name yellow-crescent blister beetle, is a blister beetle, so called because if squeezed, it can produce an irritant called cantharidin that causes a blister on exposed human skin.

Distribution
Pyrota insulata is found in the USA (mainly in Texas, Arizona and Wyoming) and Mexico.

Description
Pyrota insulata grows to a size of about 2 cm.