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Cicadas have large compound eyes situated one on each side of the head They also have three very small glistening simple eyes (ocelli) on the top of the head.
Cicadas feed by piercing the surface of plants with their mouth stylets. They then suck up the sap through a tube formed by the concave surfaces of two of the stylets.
Cicadas spend most of their lives as nymphs underground.
female cicada lays her eggs in the twigs of trees and shrubs. She places the eggs in small holes that she makes with a sawlike organ near the tip of her abdomen. Cicadas spend most of their lives as nymphs underground. This may be as long as 17 years. Adult cicadas most live 2 to three weeks but some live only for a day or two or less. After the adults have mated, both will die.