This is A Katydid

Katydids are often large, with body lengths that range from about 1 to more than 6 cm (0.4 to more than 2.4 inches). An exception is the predatory bush cricket

Saga pedo; also called the matriarchal katydid), the body of which can grow to about 12 cm (4.7 inches) in length. Although many species are bright green, various colour morphs, including pink and yellow, occur naturally and have been reared in captivity.