Periodical cicadas
Large numbers of periodical cicadas emerge from the ground every few years, instead of a few every year like most cicadas.
Periodical cicadas do not create destructive plagues, as some locusts do, though tens or hundreds of thousands of insects may crowd into a single acre.
Dogday Harvestflies are the most common member of the Cicada family found in the Northeastern United States. Unlike periodical cicadas, which appear only every few years, Dogday Harvestflies are found in forests every year in late summer.
The periodical cicadas (Magicicada species), found in the eastern half of the continent, have the longest known life cycles of any insect.
can be a demanding task-it takes the Komodo dragon three hours to polish off an entire rabbit. As part of an experiment, the dragon was presented with an entire calf leg in February. Keepers provided many reptiles with a feast of periodical cicadas ...
 See also: Cicada, Nymph, Spider, Locust, Burro
  
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