Parameres

Definition

Paired, often complex, male genital structures found in many insects, used during copulation, particularly within the order Hemiptera. They may assist in grasping or positioning the female during mating.

Etymology

From Greek 'para-', meaning 'beside', and 'meros', meaning 'part'.

Example

The parameres of a male assassin bug are used to hold onto the female during copulation.

Related Terms

• Copulation
• Hemiptera
• Sexual dimorphism