Woodmuncher

The Woodmuncher is a species of trunksumer that scutters around on 8 legs, and nibbles on the leaves of Pikmin, causing them to downgrade from their current level

=In fanon games=

In Pikmin E
The Woodmuncher is a trunksumer exclusive to Mission Mode in Pikmin E. It is a small, spider-esque creature made of wood that is controlled by hostile termites. It nibbles on the sprouts of Pikmin to downgrade their current level.