Best Ever Q&A Space Our World Nature Evolution Prehistoric Life Dinosaurs Simple Creatures Insects & Spiders Fish Amphibians & Reptiles Birds Sea Mammals Land Mammals Ecology Animal Behavior Pets Farm Animals Plant Kingdom Plant Life History Science & Technology	How do grasshoppers 'sing'? Grasshoppers make sounds by rubbing small pegs on their hind legs against a hard vein on their forewings. Males 'sing' to attract a mate.   Previous: Back Book: Best Ever Q&A Section: Nature Chapter: Insects & Spiders