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WASHINGTON (WUSA9) -- Did you know that April is National Pest month? This April will be one to remember because of this little fella; the cicada.

This year's brood is the 17-year cicada, which means their eggs were put in the ground by their mommies 17 years ago.

Missy Henriksen from the National Pest Management Association tells Jessica Doyle this swarm will be bigger than the last big group you may remember, Brood X in 2004.

There are a couple of things you need to know, too:
-- They will start hatching when the ground temperature eight inches below the soil surface reaches 64 degrees. That could be the next week or so.
-- They will stick around for about 6 weeks.
-- You'll see lots and lots of them in areas that are thickly populated with mature trees, as many as 1.5 million per acre.
-- They love to come out during the heart of the day.

Even though a lot of folks think cicadas are disgusting, they can't do you any harm. They don't bite or claw. They won't eat much of anything in terms of the trees, flowers and plants on your property. But they could snack on small tree saplings, so if you are concerned about that, put a protective cheese cloth over the plants this weekend.

Prepare yourself too for the noise level, which can reach 90 decibels. That's equivalent to a power mower or a motorcycle that is 25 feet away, according to IndustrialNoiseControl.com.

Planning an outdoor event in the next few weeks? Birthday party? Wedding? Graduation? You may want to reevaluate your plans. Fill up your car or run errands early or late in the day, if cicadas gross you out. You may want to hold off on those open-toed shoe purchases until later in the season, with all those shells crunching around. The shoes will be cheaper then too.

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