Druden

Druden were a race of insectoids.

Biology
Druden were green, had long antennas, black eyes and yellow pincers on their mandibles.

Druden were carnivores and could survive on human flesh. Young Druden, called "sucklings", needed to be fed often. (DWAN: Plague World)

History
Druden invaded the planet Publius and hid in a lair in the Forbidden Valley on the planet. They tried to spread a plague to kill all the humans humans; they would feed the corpses to their young. The Fourth Doctor and Kidson stopped them with Kidson sacrificing himself by crashing his Starto-Cruiser into their lair which exploded and caused all the rocks to cave in and kill them. (DWAN: Plague World)