nodus

Definition

A small, knob-like structure found in the wing veins of certain insects such as dragonflies, where it helps to provide structural strength and flexibility to the wings.

Etymology

From Latin 'nodus,' meaning 'knot' or 'node'.

Example

The nodus in the dragonfly's wing helps to prevent the wing from deforming during rapid flight.

Synonyms

• Wing node

Related Terms

• Wing veins
• Dragonfly
• Insect wing

Usage Notes

The nodus is crucial for the flight mechanics of dragonflies and is typically more pronounced in active flyers.