ORTHOPTERA 1.Acrididae ‘short horned’, have short antennae Active during the day All are plant feeders Eggs are laid in a packet, usually in the soil

2.Tettigonidae Long-horned grasshoppers Mostly active at night Males produce sound by stridulation of the fore wing Eggs are laid in the leaf edges, in the stems, or in the ground

Serangan dan alat pemerangkap Sexava

3. Gryllidae Crikets Nocturnal, live in refuse Chirp (stridulate) by rubbing tegmina Thousands of freshly germinated tobacco seedling can be consumed in one night by one crikets

4. Gryllotalpidae, mole crikets ……anjing tanah Live underground Make long tunnel in their seach for food Some have reduce wing

5. Gryllacrididae non-jumping insects They are commonly wingless and nocturnal most species rest in shelters made from folded leaves sewed up with silk