sentence: Gnats are small flies that sometimes are in big groups called 'swarm's.
sentences_before: Some flies do not have the word 'fly' in their name, so people may not know they are flies. Mosquitoes are flies that bite people and can carry diseases, such as malaria. Midges are small flie, a bit like like mosquitoes, but not all midges bite.
concept_name: gnat
headings: Fly Kinds of flies
categories: Basic English 850 words Flies