Science What were the first bugs like? Scientists map insect family tree. (+video)

This new genealogical tree shows that the first flying insects appeared 200 million years before any other animal acquired wings.

By , Reuters

Michael Kooren/Reuters

They pollinate our flowers, vegetables and fruit. They spread deadly diseases. They flash in the summer night. They bore into the wood in our homes. And they serve as supper for birds, reptiles, amphibians and mammals - including people.