Royalty free and rights managed images of mosquitoes and flies, vectors for the transmission of several diseases to humans. Examples include malaria (Plasmodium parasites) and yellow fever (yellow fever virus), both transmitted by mosquitoes (such as Anopheles sp. and Aedes aegypti). The tsetse fly (Glossina fuscipes fuscipes) transmits Trypanosoma protozoa, which cause sleeping sickness in humans. Pictures and photographs include macrophotographs, scanning electron micrographs (SEMs), illustrations and light micrographs.