It is known as the Wormwood pokémon.
Lumbriworm comes from 'lumber', 'worm', but also comes from 'lumbricine' (of, or pertaining to, earth worms).
Lumbriworm evolves from Slumbris.
Blood and Fire Version LocationsEdit
Notes: "Above the ground, Lumbriworm appears to be a colossal tree. Under the ground, it is a giant worm, and it moves about by digging a large trench."