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This is Scientific American 60 Second Science. I'm Shayla Farsan.

Insects can be noisy, but most of the sounds they produce, we can't hear.

Take tiny insects called treehoppers. They communicate through vibrations.

When a male treehopper is hunting for a mate, he vibrates his body to produce a special love song.

They sound like ooh, pooh-poo pooh-poo.

Casey Fowler Finn is an assistant professor of biology at St. Louis University.

She says if a female tree hopper is interested, she'll vibrate back to the male.

Basically her way of saying, hey there.

Fowler Finn wondered if tree hopper mating

songs might change at different temperatures, which could affect whether the species survives as

the climate changes. So she and grad student Doe and Hoxon built custom incubators using plywood and

IKEA shelves, plus a special laser that helps them listen to treehoppers.

The laser receives information about these tiny vibrations on the plant stem, which we then

amplify and process into sounds that we can hear.

Turns out, the tree hoppers do sound different when the temperature changes.

Here's a male singing at 65 degrees, and another at 97 degrees.

But that's not all. The team recorded these songs and played them for females to see if they still

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