Laurent Geslin / Common bluebottle {Calliphora vomitoria} feeding on jam in a kitchen, UK

Laurent Geslin / Common bluebottle {Calliphora vomitoria} on window pane, UK

Warwick Sloss / Common bluebottle fly {Calliphora vomitoria} drinking, UK

Warwick Sloss / Common bluebottle fly adult feeding close-up

Rod Williams / Bluebottle fly (Calliphora vomitoria) on ivy leaf, showing blue abdomen. Beverley Court Gardens, Lewisham, England, November

Rod Williams / Bluebottle (Calliphora vomitoria) Lewisham, London, June

Rod Williams / Bluebottle (Calliphora vomitoria) Lewisham, London, April

Rod Williams / Bluebottle (Calliphora vomitoria) on leaf, South London, UK, October

Rod Williams / Bluebottle (Calliphora vomitoria) feeding on nectar of Ivy flower, South London, UK, October

Rod Williams / Bluebottle (Calliphora vomitoria) feeding on nectar of Ivy flower, South London, UK, October

Warwick Sloss / Common bluebottle fly {Calliphora vomitoria} drinking, captive, UK

Adrian Davies / Common bluebottle fly {Calliphora vomitoria} on dandelion covered in pollen, UK