Urticating hairs

Definition

Specialized, barbed hairs found on some species of tarantulas and caterpillars, which can be flicked onto predators or threats, causing irritation and discomfort.

Etymology

Derived from the Latin 'urtica', meaning 'nettle', and the suffix '-ating', indicating a process or action.

Example

When threatened, the tarantula kicked up its urticating hairs, causing the predator to retreat in discomfort.

Synonyms

• Irritating hairs
• Barbed hairs

Related Terms

• Tarantula
• Caterpillar
• Defensive mechanisms

Usage Notes

Urticating hairs can cause a range of reactions, from mild itching to severe allergic responses, depending on the species and the individual's sensitivity.