David Woodfall / Long legged Flies (Dolidopodidae spp) on water in footprint of Longhorn Cattle, Knepp Rewildling Estate, West Sussex,England, UK.

David Woodfall / Long legged Flies (Dolidopodidae spp) on water in footprint of Longhorn Cattle, Knepp Rewildling Estate, West Sussex,England, UK.

David Woodfall / Long legged flies (Dolichopodidae) on puddle in foot print of Long Horn cattle. Knepp Wildland Project, formerly intensive farmland now turned to conservation and sustainable farming. Horsham, West Su...

Stephen Dalton / Long-legged fly (Dolichopodidae) courting at pond edge Sussex, England, UK, July.

Rod Williams / Male Long-legged fly (Poecilobothrus nobilitatus) Sutcliffe Park Nature Reserve, London. June

Rod Williams / Male Glittering green fly (Poecilobothrus nobilitatus) on plant, Sutcliffe Park Nature Reserve, Eltham, London, England, June.

Andy Sands / Waterfall fly (Liancalus virens) on wall, London, England, UK, May

Stephen Dalton / Long-legged flies (Dolichopodidae) side of pond overgrown with pond weed, Sussex, England, UK June.

Jussi Murtosaari / Flies (Brachycera) on leaf, Parikkala, Etela-Karjala / South Karelia, Etela-Suomi / South Finland, Finland. June

Jussi Murtosaari / Fly (Brachycera) on Lily of the Valley berries, Parikkala, Etela-Karjala / South Karelia, Etela-Suomi / South Finland, Finland. September

Barry Mansell / Long legged fly (Chrysosoma sp) on leaf, North Florida, USA, August.

Andy Sands / Long legged fly (Liancalus virens) resting on a wall, Chiswick, London, England, UK. August. Focus stacked.

Guy Edwardes / Long-legged fly (Poecilobothrus nobilitatus) male resting on leaf, Powerstock Common Nature Reserve, Dorset, England, UK. June.

Doug Wechsler / Long-legged fly (Condylostylus sp.) on leaf, Montgomery County, Pennsylvania, USA.

Phil Savoie / Long-legged Fly (Dolichopus plumipes), Monmouthshire, Wales, UK, Aug

Phil Savoie / Long-legged Fly (Dolichopus plumipes), Monmouthshire, Wales, UK, Aug

Andy Sands / Long legged fly (Poecilobothrus nobilitatus) a common fly around pools and ponds easily recognised by the white wing tips of the Male seen here, Hertfordshire, England, UK, June - Focus Stacked

Andy Sands / Long legged fly (Medetera muralis) tiny predatory fly that sits on trees and fences waiting for even smaller prey, Hertfordshire, England, UK, June - Focus Stacked

Andy Sands / Long legged fly / Woodpecker fly (Medetera jacula) male of this tiny predatory fly that sits on trees and fences waiting for even smaller prey, Hertfordshire, England, UK, June - Focus Stacked

Andy Sands / Long legged fly (Doliochopus Sp.) female at rest on leaf, Hertfordshire, England, UK, May - Focus Stacked