For such a small and slender hoverfly it has very large rear femora. The males and females have slightly different patterning. Length 4 to 7mm.
The larvae feed on rotting material, such as compost and manure.
Seen April to November. Found in hedgerows and in gardens. A widespread and fairly abundant species across Britain.
Photograph 0f Thick-legged Hoverfly (Syritta pipiens) taken June 2014, rear garden , Staffordshire. © Pete Hillman 2014. Camera used Nikon D3200, with Sigma 105mm macro lens.