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Calosoma maderae is a species of ground beetle (Carabidae) known as a "caterpillar hunter," with adults typically measuring 25 to 35 mm (0.98–1.38 in) in length. Described in 1775, this predator has a wide distribution, appearing in North Africa, parts of Asia, and Europe (including Spain and Greece).
Key Facts About Calosoma maderae:Appearance: The upper body ranges from black to dark bronze, featuring a triploid elytral sculpture (patterned wing covers).
Habitat: Often found in dry, sandy, or agricultural areas.Diet: A predatory beetle that feeds on caterpillars and pupae, acting as a natural control agent for pest populations.
Behavior: They are mobile, terrestrial insects that can fly and are sometimes active at night,, attracted to light.Subspecies: Includes subspecies such as C. m. maderae, C. m. dzungaricum, and C. m. indicum.
Defense: Possesses pygidial glands that release strong-smelling secretions for defense.
Distribution: Found in Algeria, Canary Islands, Morocco, Tunisia, Armenia, Georgia, Iran, Nepal, Pakistan, Kashmir, Croatia, France, Greece, Italy, Madeira, Russia, and Spain.