... SPL (particle velocity 605 μm s −1 ) at 150 Hz. When presented with a repeated 200 Hz sound tone, caterpillars habituate by no longer responding. A series of ablation experiments confirmed that the primary sensory receptors are a pair of long hairs, called trichoid sensilla, located on the upper...

... in the opposite direction. 9 8 1990 © 1991 by Company of Biologists 1991 locust trichoid sensilla afferents Schistocerca gregaria . Mechanical stimulation of tactile hairs on a leg of a locust elicit well-defined reflex movements of that leg such that it is moved away from...