Termite

Termites were non-sentient insects native to Earth.

The Hexagora built structures similar to termite mounds. (AUDIO: Hexagora)

The Charrl hive reminded Ace of termite mounds she saw in Ngorogoro Crater with the Seventh Doctor in 1926. (PROSE: Birthright)

Genetically engineered termites created by humans were abandoned on Callisto and eventually became sentient. They grew to enormous sizes due to the gravitational pull of Jupiter, around which Callisto orbited. (AUDIO: Valhalla)

The Kromon were a giant termite-like species in the Divergent Universe. The Eighth Doctor and Charlotte Pollard met them during his exile there. (AUDIO: The Creed of the Kromon)

The Tenth Doctor described the Termitons of New Earth as "termite people". (AUDIO: Death in the New Forest)