<Li> Jump up ^ This 13 - year brood does not include M. neotredecim . </Li> <P> Seven recognized species are placed within Magicicada . Three of them follow a 17 - year cycle: </P> <Ul> <Li> M. septendecim (Linnaeus, 1758) </Li> <Li> M. cassinii (Fisher, 1852) </Li> <Li> M. septendecula Alexander & Moore, 1962 </Li> </Ul> <Li> M. septendecim (Linnaeus, 1758) </Li>

When was the last time cicadas were out