Bug Word of the Day

Discover today's bug word of the day!

Pronunciation
/TAHR-suhl OR-guhn/
Category
Anatomy
Singular
Tarsal organ
Plural
Tarsal organs

Definition

A small, sensory organ located on the tarsi (the 'feet') of some arachnids, especially spiders, which is used for detecting chemical and environmental stimuli.

Etymology

Derived from the Latin 'tarsus,' meaning 'ankle' or 'foot,' and 'organ,' from the Greek 'organon,' meaning 'instrument' or 'tool'.

Example

The tarsal organs of the jumping spider allow it to detect chemical cues from its environment, aiding in prey detection and navigation.

Synonyms

  • Chemosensory organ
  • Sensory gland

Related Terms

Usage Notes

Tarsal organs are particularly well-developed in some spider species and play a critical role in environmental interaction.