Assertion: blister beetle | /r/MadeOf | cantharidin
Facets:
Source sentences:
text: Blister beetles are plant-feeding insects that contain cantharidin, a toxic defensive chemical that protects them from predators.
text: Blister beetles in alfalfa fields contain enough cantharidin to provide lethal doses to livestock that feed on forage when it is used as hay.
text: Alfalfa hay can pose a threat to horses if it is infected with a blister beetles (Epicauta spp), which can contain cantharidin, a toxic substance, reports The Horse.