response of double-walled multiporous peg sensilla response to water vapour Electrophysiological evidence from different insects suggests that hygrosensory neurons occur in poreless sensilla. It is thought that absorption of water vapour by the cuticular wall results in deformation of the sensillum. IDOMAL:0002220 IDOMAL:0002220 The neurones that were examined (Kellog 1970) are not hygrosensory but were moisture-dependent, losing sensitivity at lower humidities. Kellog also was not working with double-walled multiporous sensilla. idomal_namespace