soil grub - friend or foe?

soil grub - friend or foe?

Observation - soil grub - friend or foe? - UK and Ireland. Description: about 2.5cm in length found in topsoil grub with 10 segments, shiny black head and shiny black tail end on upper body regular tufts of bristle like hairs and black spots on translucent off-white body skin on underside three pairs of hooks on the front

about 2.5cm in length
found in topsoil
grub with 10 segments, shiny black head and shiny black tail end
on upper body regular tufts of bristle like hairs and black spots on translucent off-white body skin
on underside three pairs of hooks on the front segments and four pairs of sucker type feet on the back segments
nothing on last 2 segments or 4th and 5th segments