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A beetle is an [[insect]] in the order ''Coleoptera'' (the largest order in the animal kingdom). This order is characterized by forewings that are modified into hardened covers over a second pair of functional wings.  

A '''beetle''' is an [[insect]] in the order ''Coleoptera'' (the largest order in the animal kingdom). This order is characterized by forewings that are modified into hardened covers over a second pair of functional wings.  

Beetles can be found in nearly all environments except conditions of extreme cold such as [[Antarctica]] and at great heights. There are fewer beetle species in temperate zones than in the tropics. Beetle sizes range from less than 0.04 inches (1 mm) long to over 8 inches (20 cm).  

Beetles can be found in nearly all environments except conditions of extreme cold such as [[Antarctica]] and at great heights. There are fewer beetle species in temperate zones than in the tropics. Beetle sizes range from less than 0.04 inches (1 mm) long to over 8 inches (20 cm).