Reflex bleeding
- Pronunciation
- /REE-fleks BLEE-ding/
- Category
- Behavior
- Singular
- Reflex bleeding
- Plural
- Reflex bleedings
Definition
A defensive behavior in which certain insects exude blood (haemolymph) through their joints when threatened, typically containing toxic compounds to deter predators.
Etymology
From Latin 'reflexus', meaning 'bent back' or 'turned back', and 'bleeding', from Old English 'blēodung', meaning 'effusion of blood'.
Example
Ladybugs are known for their reflex bleeding, exuding a noxious fluid from their leg joints when disturbed.
Synonyms
- Reflexive bleeding
- Autohaemorrhaging
- Defensive bleeding
Related Terms
- Haemolymph
- Defense mechanism
- Exudation
- Aposematism
Usage Notes
Reflex bleeding is a survival strategy seen in various beetles and insects. The exuded haemolymph often contains toxic chemicals or deterrent compounds to ward off predators.