Flaming Beetle

The Flaming Beetle is an enemy that was first introduced in the game Pikmin:The After Years. Unlike Anode Beetles, they have red spots and spew fire when two of them meet. This attack will burn all but Red Pikmin.

How to Kill
Throwing a Red Pikmin on top if it will flip it over and because they are immune to fire. A Purple Pikmin will also flip multiple of these beasts over due to their shock-waves they create.

-- Gamefreak75