- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Extremely small creatures which act as irritants when they come into contact with humanoid skin, as two unsuspecting Bajorans learned due to a trick played on them by Jake and Nog in 2369.