There are many types of insect that belong to this group and some of them are shown here. All true flies have only one pair of wings and in the place of the other pair of wings is a pair of pin like organs called halteres. The halteres are thought to assist in the fly's flight. Halteres can be seen easily on craneflies as they are very large.
Above: another robber fly, Neoitamus cyanurus.
Above: a hoverfly on a lily.
Above: a tiny clusterfly.
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