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Cicada News, Facts & Multimedia

What's new on Cicada Mania?

Brood VI

The Brood VI emergence has begun!! Folks in north-east Georgia, south-west South Carolina, and western North Carolina, in particular, should be on alert.

Lester Daniels wrote a book about cicadas, and it is amazing.

Our most recent cicada stories:

  1. New Cicada: Berberigetta dimelodica
  2. Quesada gigas out in Texas
  3. A Quick guide to recent cicada name changes
  4. New species of Megatibicen: Megatibicen harenosus
  5. New book: The Season of the Cicadas by Les Daniels

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What are Cicadas?

The Basics


An illustration of cicada tymbals from C.L. Marlatt's The Periodical Cicada. c shows the muscles and tendons connected to the tymbals, and d & e show the bending of the tymbal.

Cicadas are insects, best known for the songs sung by most, but not all, male cicadas. Males sing by flexing their tymbals, which are drum-like organs found in their abdomens. Small muscles rapidly pull the tymbals in and out of shape — like the cap of a Snapple bottle. The sound is intensified by the cicada's mostly hollow abdomen. Female and some male cicadas will also make a sound by flicking their wings, but it isn't the same as the song cicadas are known for. Listen to some of the songs cicadas sing.

A feeding cicada

A Magicicada drinking from a tree. Photo by Roy Troutman.

Cicadas belong to the order Hemiptera, suborder Auchenorrhyncha, superfamily Cicadoidea and families Cicadidae (the vast majority of cicadas) or Tettigarctidae (only two species). Leafhoppers, spittle bugs and jumping plant lice are close relatives of the cicada. Hemiptera are different from other insects in that both the nymph and adult forms have a beak (aka rostrum), which they use to suck fluids called xylem from plants. This is how they both eat and drink.

The Latin root for the word for cicada is cicada. Cicadas are called semi in Japan, cigale in France, and cigarra in Spain. Names for cicadas in countries around the world.

Life Cycle

Cicadas begin life as a rice-shaped egg, which the female deposits in a groove she makes in a tree limb, using her ovipositor. The groove provides shelter and exposes the tree fluids, which the young cicadas feed on. These grooves can kill small branches. When the branches die and leaves turn brown, it is called flagging.

Once the egg hatches the cicada begins to feed on the tree fluids. At this point it looks like a termite or small white ant. Once the young cicada is ready, it crawls from the groove and falls to the ground where it will dig until it finds roots to feed on. Once roots are found the cicada will stay underground from 2 to 17 years depending on the species. Cicadas are active underground, tunneling and feeding.

After the long 2 to 17 years, cicadas emerge from the ground as nymphs. Nymphs climb the nearest available tree, and begin to shed their nymph exoskeleton. Free of their old skin, their wings will inflate with fluid and their adult skin will harden. Once their new wings and body are ready, they can begin their brief adult life.

Adult cicadas, also called imagoes, spend their time in trees looking for a mate. Males sing, females respond, mating begins, and the cycle of life begins again.

Cicada Life Cycle
Top, Left to Right: cicada egg, freshly hatched nymph, 2nd and 3rd instar nymphs. Bottom, Left to Right: 4th instar nymph, teneral adult, adult. (Photos by Roy Troutman and Elias Bonaros).

Different Types of Life Cycles

There are three types of cicada life cycles:

  1. Annual: Cicada species with annual life cycles emerge every year, for example, Swamp Cicadas (Neotibicen tibicen) emerge every year in the United States, and Green Grocers (Cyclochila australasiae) emerge every year in Australia.
  2. Periodical: Cicadas species with periodical life cycles emerge all together after long periods of time, for example, Magicicada septendecim will emerge every 17 years (Find out where they'll emerge next).
  3. Proto-periodical: Cicada species with proto-periodical life cycles might emerge every year, but every so many years they emerge in heavy numbers, like the Okanagana.

Different Varieties

How Many: There are over 190 varieties (including species & subspecies) of cicadas in North America, and over 3,390 varieties of cicadas around the world. This number grows each year as researchers discover and document new species. Cicadas exist on every continent but Antarctica.

The Largest: The world's largest species of cicada is the Megapomponia imperatoria, which is native to Malaysia. The largest species in North America is Neotibicen auletes, aka the Northern Dusk Singing Cicada.

The Loudest: According to the University of Florida Book of Insect Records, the Neotibicen pronotalis is the loudest cicada in North America, and can achieve 108.9 decibels. Australian species of cicadas, like the Double Drummer (Thopa saccata) are said to exceed 120 deafening decibels at close range. The loudest cicada in the world is supposed to be the Brevisana brevis, a cicada found in Africa. At a distance of 50cm (~20") B. brevis reaches 106.7 decibels.

Longest Lifecycle: The most well-known cicadas in the North America are the Magicicada periodical cicadas, aka "locusts", which have amazingly long 17 or 13 year lifecycles. Brood VI (17 year life cycle) will emerge in North Carolina, South Carolina and Georgia in 2017. Read more about where and when.

The cicada information on Cicada Mania is not limited to North America. We have cicada photos and information for Australia, Asia, Europe, and South America thanks to contributors around the world.