Sphragis

Definition

A structure, often a plug or shell-like device, secreted by male insects (particularly those in Lepidoptera) after mating to prevent or limit the female's ability to mate with other males.

Etymology

Example

The sphragis placed by a male butterfly on a female after mating prevents her from mating with other males during the remainder of the reproductive season.

Related Terms

• Mating
• Reproductive Behavior
• Copulation