Emanuele Biggi / Peruvian Tarantula (Pamphobeteus sp.), young individual parasitized by Phoridae fly larvae, Los Amigos Biological Station, Madre de Dios, Amazonia, Peru.

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

Michael Durham / Female Phorid / Shuttle fly (Pseudacteon obtusus) in flight above Red imported fire ants (Solenopsis invicta) searching for an ant to implant with an egg, Texas, USA, March.

Adrian Davies / Yellow flat-footed fly (Agathomyia wankowiczii) galls on Artists fungus (Ganoderma applanatum), Surrey, UK. December.