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Orthopteran fauna in rice ecosystem at Coimbatore were surveyed in the Paddy Breeding Station and Wetlands of Tamil Nadu Agricultural University since 1997. Fifty species of Orthoptera (8 long-homed grasshoppers, 28 short-horned grasshoppers, 3 crickets, 1 tree cricket and 10 pygmy grasshoppers) were recorded in the survey. Those collected from the rice fields were found feeding on rice foliage and grains and a few of the Orthopterans viz., Anaxipha longipennis (Serv.), Metioche vittaticollis (Stal), Metioche bicolor (Stal.) (Trigonidiidae) collected mainly from the bunds were observed to be predators of rice insect pests.

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