hairworm
/ˈhɛrˌwɜrm/
noun
- A long, thin parasitic worm that lives inside insects and other invertebrates, often changing their behavior to enter water.
- The hairworm made the cricket jump into a pond so it could complete its life cycle.
- Scientists study hairworms to understand how parasites control host behavior.
- I found a hairworm wriggling out of a grasshopper in the garden.