Konrad Wothe / Fly (Gymnosoma rotundatum) Bavaria, Germany. June.

Philippe Clement / Parasite fly / tachinid fly (Tachina fera) feeding on nectar from Hogweed (Heracleum sphondylium) in summer, France. August.

Philippe Clement / Tachina flies (Tachina fera) nectaring on Umbellifer (Apiaceae) flowers in summer, Luxembourg, August.

Bernard Castelein / Fly (Eriothrix rufomaculata), KLein Schietveld, Brasschaat, Belgium. June

Rod Williams / Ladybird fly (Gymnosoma rotundatum) a rare / localised species Brockley Cemetery, Lewisham, London, England, UK. May.

Dave Bevan / Giant tachinid fly (Tachina grossa) nectaring on a sedum flower, Carmarthenshire, Wales, UK

Andy Sands / Tachnid fly (Phasia hemiptera) male, the female lays its eggs directly onto Forest Bugs and Green Shield Bugs where the larvae live as parasites, Hertfordshire, England, August

Andy Sands / Tachnid fly (Phasia hemiptera) male, the female lays its eggs directly onto Forest Bugs and Green Shield Bugs where the larvae live as parasites, Hertfordshire, England, August

Paul Bertner / Tachinid Fly (Tachinidae), Danum Valley Conservation Area, Sabah, Borneo, Malaysia

Paul Bertner / Tachinid Fly (Phorinia sp), Andasibe-Mantadia National Park, Antananarivo, Madagascar

Paul Bertner / Tachinid Fly (Tachinidae), Virunga National Park, Democratic Republic of the Congo

Kim Taylor / Parasite fly (Tachina fera) on Eryngium. Surrey, England, UK, August.