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

Paul Harcourt Davies / Picture-winged fly (Platystoma seminationis) Podere Montecucco, Orvieot, Umbria, Italy, July

Premaphotos / Fly (Bromophila caffra) in tropical dry forest, Kenya

Premaphotos / Fly (Peltacanthina fumipennis) in rainforest, showing its spongy proboscis, Kenya

Doug Wechsler / Signal flies (Pseudotephritis approximata) pair, laying eggs in tree bark, Camp Woods Preserve, Pennsylvania, USA. August.

Andy Sands / Speckled semaphor fly / Dancing Kiss fly (Platystoma seminationis) an unusual fly that more ofter jumps and runs than flies often associated with rotting vegatation, Hertfordshire, England, UK, May -...