Dear David,

I like big bugs. I cannot lie.

But which insect is the biggest? I asked my friend Rich Zack. He’s an insect scientist at Washington State University.

He told me the answer depends on how you define big.

One way is how much matter makes up an insect’s body. The insects with the most body mass are giant beetles. These include titan beetles, Goliath beetles, rhinoceros beetles and elephant beetles. They can be the size of a mouse.

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