Adrian Davies / Cape Sundew (Drosera capensis) with captured fly. Note how leaf has rolled over the prey.

Alex Hyde / Cape sundew (Drosera capensis) close-up of sticky droplets on leaf hairs that trap invertebrate prey, originating from South Africa.

Stephen Dalton / Cape sundew {Drosera capensis} water droplets on hairs on leaf

Michael Durham / Cape Sundew (Drosera capensis) with trapped Horse Fly (Tabanus bovinus), native to Cape Province, South Africa

Chris Mattison / Remains of a cranefly entangled in the sticky leaves of a Cape sundew (Drosera capensis).

Adrian Davies / Cape Sundew (Drosera capensis) sequence showing capture of fly. Digital composite

Adrian Davies / Cape Sundew (Drosera capensis) with captured fly. Note how leaf has rolled over the prey.

Chris Mattison / Thrips fly (Thysanoptera) stuck to leaf of Cape sundew (Drosera capensis), cultivated, occurs in South Africa

Alex Hyde / Cape sundew (Drosera capensis) close-up of sticky droplets on leaf hairs that trap invertebrate prey, originating from South Africa.

Albert Lleal / Fruit Fly (Drosophila melanogaster) caught by Cape Sundew (Drosera capensis), native to South Africa

Albert Lleal / Cape Sundew (Drosera capensis) with caught spider, native to South Africa

Michael Durham / Cape Sundew (Drosera capensis) with trapped Horse Fly (Tabanus bovinus), native to Cape Province, South Africa