Johnstons organ

The Johnston's Organ is located in the second segment of an insect's antenna. Sound waves vibrate the antenna of the insect and these vibrations are detected by the Johnston's organ. The Johnston's organ is commonly used to find a mate as an insect can detect the sound of wing beats of a mate.

It is the presence of the Johnston's organ that separates insects from the non-insect hexapods.

The large filiform antennae of a solitary bee. The Johnston's Organ is the thickened structure at the base of the antennae.

Related terms

• Antenna
• Insects

Related groups of terms

• Invertebrate body structure

Related pages on this web site

• Insect antennae
• Insect body structure

See other words beginning with J