Emery's Rule

Definition

A rule stating that social parasites among insects tend to parasitize species or genera to which they are closely related.

Etymology

Named after the Italian entomologist Carlo Emery (1848–1925), who formulated the rule.

Example

Emery's rule is observed in many ant species where parasitic ants exploit closely related host species.

Related Terms

• Social parasitism
• Insect parasitism
• Host-parasite relationship

Usage Notes

Emery's rule is prominently observed in ants and other eusocial insects.