intermediate labellar taste bristle intermediate labellar taste bristle I-a 2019-02-12T14:01:18Z VFB:FBbt_00048164 FBbt:00048164 fly_anatomy.ontology I-a sensillum Existence, identity and nomenclature of particular sensilla may not correspond between studies. narrow bitter-sensitive labellar taste bristle I-a Intermediate (bitter-sensitive) labellar taste bristle that detects a narrow range of bitter stimuli, with greater responses to denatonium benzoate, berberine chloride, lobeline hydrochloride, sparteine sulfate salt and escin (Weiss et al., 2011). These are found on the anterior half of the labellum (Weiss et al., 2011). sensilla I0, I1, I2, I3, I4, I5 and I6