trichobothrium

English

Etymology

From tricho- +‎ bothrium.

Noun

trichobothrium (plural trichobothria)

  1. An elongate external seta, present in many arachnids and various orders of insects, including Hemiptera and Thysanoptera. They function in the detection of airborne vibrations and air currents, including near-field sounds of central importance to their hearing and communication.