This Bulborb was a special Bulborb in Pikmin 2 beta. It acts like a Red Bulborb Dwarf, it eats Pikmin for attacking, has the same health, and it takes six Pikmin to carry. When taken back to the Hocotate Ship, it gives Olimar and Louie five pokos instead of two. There were no adults for some reason. It still had white spots on its back, like the Red Bulborb.
This bulborb was only seen in the Pikmin 2 beta version. Like the Blue Bulborbs, these are just like Red Bulborbs, and there are even parents too. They are found in a stage that looks a lot like The Forest of Hope. They were found only above ground, not underground like the Blue Bulborb. The dwarves walked a little slower than the Red Dwarf Bulborbs. The Yellow Bulborbs also gave you more seeds when taken to the onion.