Katydids, grasshoppers, and crickets are all in the same order, called Orthoptera, meaning straight-winged, and they share many characteristics: chewing mouthparts, strong hind legs for jumping, and a life cycle of incomplete metamorphosis: from egg, to nymph (which looks like a smaller and wingless version of the adult), and after several molts, an adult. There are some key differences, however (though there are always exceptions). Katydids have long, wispy antennae that are at least as long as their bodies, whereas grasshoppers' are shorter and stubbier. Both crickets and katydids produce their sounds by rubbing their wings; grasshoppers rub pegs on their legs to stridulate. Grasshoppers also tend to be diurnal, whereas katydids and crickets work the nightshift.
Katydids, grasshoppers, and crickets are all in the same order, called Orthoptera, meaning straight-winged, and they share many characteristics: chewing mouthparts, strong hind legs for jumping, and a life cycle of incomplete metamorphosis: from egg, to nymph (which looks like a smaller and wingless version of the adult), and after several molts, an adult. There are some key differences, however (though there are always exceptions). Katydids have long, wispy antennae that are at least as long as their bodies, whereas grasshoppers' are shorter and stubbier. Both crickets and katydids produce their sounds by rubbing their wings; grasshoppers rub pegs on their legs to stridulate. Grasshoppers also tend to be diurnal, whereas katydids and crickets work the nightshift.
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