Definition

Noun: * An insect belonging to the family Meloidae, characterized by its ability to produce a defensive chemical secretion called cantharidin. This secretion can cause painful blistering on human and animal skin upon contact.

Usage

• The term "blister beetle" is used to refer to any beetle within this specific family, often in contexts related to agriculture, entomology, or medical effects.
• It is a countable noun (e.g., , ).

Examples

• Farmers must be cautious during harvest, as ingesting a blister beetle can be fatal to livestock.
• The blister beetle gets its name from the severe skin irritation its bodily fluids can cause.
• He developed a painful rash after accidentally crushing a blister beetle in his hand.

Advanced Usage

• "Blister beetle dermatitis": A medical term for the skin condition caused by contact with the beetle's secretion.
  • The patient was diagnosed with blister beetle dermatitis after gardening.

Variants and Related Words

• Spanish fly: A specific, well-known type of blister beetle (), historically (and dangerously) misused as an aphrodisiac.
• Cantharidin: (Noun) The toxic, blister-causing chemical compound produced by blister beetles.
• Meloid: (Noun) The scientific family name for blister beetles; used in formal/entomological contexts.

Synonyms

• Oil beetle: A common name for certain types of blister beetles, particularly those in the genus .
• Black blister beetle: A common name for a specific species ().

Notes on Meaning

• The primary and defining characteristic of a "blister beetle" is its production of cantharidin. While they vary in color and size, this biological trait unites them.
• The term almost always refers to the living insect or its direct effects. It is not typically used metaphorically.

Noun

1. beetle that produces a secretion that blisters the skin