Tegulum

Definition

A sclerotized structure found in the male pedipalp of spiders, which is part of the copulatory apparatus used to transfer sperm to females during mating.

Etymology

From Latin 'tegula', meaning 'tile' or 'covering', referencing its position and function in the male palpal bulb.

Example

The tegulum in the male spider is crucial for the successful transfer of sperm to the female during mating.

Related Terms

• Palp
• Pedipalp
• Sperm transfer
• Copulatory organ

Usage Notes

The structure and function of the tegulum can vary widely between different spider families and species, often being a key characteristic in taxonomic classification.