Q: What is a gnat?
A: A gnat is any tiny fly in the suborder Nematocera.
Q: Is "gnat" a technical term?
A: No, "gnat" is a loose descriptive category rather than a technical term.
Q: Can gnats be both biting and non-biting?
A: Yes, gnats can be both biting and non-biting.
Q: What are biting gnats often called?
A: Biting gnats are often called midges.
Q: Where do gnats often fly in large numbers?
A: Gnats often fly in large numbers, called clouds, in damp places like the Scottish Highlands.
Q: What are eye-gnats?
A: Eye-gnats are a group of non-biting flies attracted to fluids secreted by your eyes.
Q: How big are eye-gnats?
A: Eye-gnats are no bigger than a few grains of salt, according to the Smithsonian Institution.