Cicada's Lifecycle

Of the 12 broods that show up every 17 years, three appear in this area and only two in large concentrations.

Female & male mate.

Female lays eggs on tree.

Cicadas die by the millions.

Eggs fall to the ground; nymphs

hatch and burrow.

Nymphs feed on sap from tree roots.

Orange Wings

Brood IINext appearance: 2013Last seen: 1996

Experts say many places in this area will see fewer cicadas than in 2004, but pparts south may get far more.

Brood XNext appearance: 2021Last seen: 2004

This brood covers the most territory of the 17-year broods and has by far the largest concentration in this area.concentration in this area.

Brood XIVNext appearance: 2025Last seen: 2008

Remember the 2008 cicadas? No one does. There weren't enough to make a huge impression here, comimpression here, compared with 2004.

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Eye

Body

Deep underground the cicada nymphs have fed on the sap in tree

roots since 1987.

After mating, the female cuts slits in the bark of twigs and deposits more than 400 eggs, 24 to 48 per slit.

The eggs hatch in six to 10 weeks. The antlike nymphs drop to the ground and burrow several feet into the soil. There, they will feed and awalt their next emergence, emergence, In 2021.

Now in their 17th year, the nymphs crawl towards the surface.

When soil temperatures are right, they emerge by the millions, climbing trees or vertical surfaces. After shedding their skins, the adults spread their wings. TThe males fly into the trees and begin to call to the female with loud buzzing.

Sound of Cicada’s Facts About Cicada’sOnly the male cicadas make the buzzing or shrilling tones, which can be heard hundreds of feet away.

A A pair of small, drumlike ribbed membranes (tymbals) on each side of the abdomen contract and the internal tymbal muscles cause it to buckle inward and produce a high-pitched tones.

1. The cicadas emerging in 2004 being to Brood X, the largest of 15 in the eastern United States.2. Cicadas are not locust, which are grasshoppers.3. Cicadas ha3. Cicadas have sucking mouth-parts. Locust have chewing mouth-parts.4. When above ground, cicadas do not cause significant damage to plants and shrubs.