Heath sand wasp (Ammophila pubescens) excavating a nest burrow in a bare sandy patch of heathland, carrying a ball of sand between its mandibles and its raised front legs, Dorset, UK, June.

Heath sand wasp (Ammophila pubescens) excavating a nest burrow in a bare sandy patch of heathland, carrying a ball of sand between its mandibles and its raised front legs, Dorset, UK, June.

Heath sand wasp (Ammophila pubescens) excavating a nest burrow in a bare sandy patch of heathland, carrying a ball of sand between its mandibles and its raised front legs, Dorset, UK, June.