It is the females who click. (I have now noticed that some of the cicadas I catch make the clicking sound and some don't. Now I know which ones I'm dealing with.)
While underground munching on roots, they aerate the soil which is beneficial.
They start climbing/burrowing to the top when soil temperatures reach 64 degrees. This is why they emerge sooner to the southern areas. (We sure had lots of hype about them coming from the news stations.)
The last time the two broods have come at the same time was 1803.
For best cicada viewing and hearing go to Lake Forest and Highland Park in Lake County, Illinois.
Cicadas are one of the loudest living insects.
Lake County estimated to have 23 billion of the little critters.
Don't refer to them as locusts. That makes them mad.
They had a Cicada Fest at Ryerson Woods on June 8.
--Cooter
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