"Gnat" is a loose descriptive category rather than a technical term. They can be both biting and non-biting. The biting ones are often called midges. Often they fly in large numbers, called clouds, in damp places like the Scottish Highlands.
- The G is not pronounced
- "Midges and Gnats | Entomology". entomology.ca.uky.edu. Retrieved 2016-09-22.
- Gibbons, John. "Gnats always keep an eye out for a good place to eat". Smithsonian Institution. Retrieved 2018-01-21.