• English: Deer Ked
• German/Austrian: Hirschlausfliege
• Danish: Hjortelus
• Image: 1920x1080
• Location: Austria, Niederösterreich, Ober-Danegg
• Date: 27/10/2018
• Copyright: Per Hoffmann Olsen
• Camera: Canon EOS 7D
• Lens: Sigma 150mm APO Macro

 

According to Pareys book of insects - the wings are expelled when it has attached itself to a host, like deer, boar, fox or badger.
They hatch in and around October and let them self fall from trees unto a potential host.