worm/grub?

worm/grub?

Observation - worm/grub?. Description: This initially looked like a short worm, until i noticed the very large back end - it definitely moved forward with pointy end.Looked like tiny 4 little legs to it too (stumps?). Its droppings have been sticky tiny little mud pellet type things all clumpe

This initially looked like a short worm, until i noticed the very large back end - it definitely moved forward with pointy end.Looked like tiny 4 little legs to it too (stumps?). Its droppings have been sticky tiny little mud pellet type things all clumped together and i think garden is being taken over by these things as garden pretty inundated by the droppings.What is it and how do i get rid?