Also have stridulating and wing-banging species. Cicadas can have long life cycles lasting 4-17 years. These have 1 or more rows of spines along length of hind tibae. They are usually small and may be brightly colored. Most feed on leaves and are host specific.
Many species are important pests.
Can be up to 2 inches long. Certain tropical species may have odd modified heads looking like peanuts. These insects have only few large spines on tibae and do not have distinct rows of spines. The antennae arise below the eyes a nd not above as in leafhoppers. Few are abundant enough to be economic pests but many are spectacular looking insects.