Jungle Locust

Dodo spots a locust amid the dense jungle foliage and names it confidently as proof they stand in Whipsnade Zoo near London. She ties it to her school knowledge of Earth’s familiar insects, using its presence to counter Steven’s warnings of alien threats like ‘strange gravity’ and ‘poisoned atmosphere.’ The locust’s sudden appearance in the humid air reinforces Dodo’s insistence on familiarity, while Steven disputes the identification, heightening the tension between their worldviews. The Doctor, nearby with his instruments, remains silent, his measured ambiguity contrasting with Dodo’s playful defiance. The locust’s role is to embody the Ark’s deceptive mimicry of Earth, where even the insects are part of an artificial construct designed to lull the last remnants of humanity into a false sense of security.

The locust Dodo identifies as further proof of Earth serves a similar function to the chameleon and monitor lizard: it reinforces her argument while planting doubt. Steven’s challenge (‘how do you know all this?’) and the Doctor’s ambiguity suggest the locust may be part of the Ark’s constructed environment. Its presence underscores the scene’s central tension—Dodo’s optimism vs. the truth—and foreshadows the revelation that the jungle is not natural.