To date, the largest known prehistoric insect is the dragonfly Meganeura monyi. It existed over 280 million years ago. Fossil remains were found in Commentry, France. When measured, the wingspan was a whopping 2 ft. 3.5 inches.
The loudest insects are male cicadas, which can be heard about a quarter of a mile away.
The insects with the biggest nests are termites.
There were three plagues mentioned in the book of Exodus in the Bible which were caused by insects – lice, flies, and locusts.
It takes 48 hours for a cockroach to digest its food.