Hearing in a primitive ensiferan: the auditory system of Cyphoderris monstrosa (Orthoptera: Haglidae)

@article{Mason2004HearingIA,
  title={Hearing in a primitive ensiferan: the auditory system of Cyphoderris monstrosa (Orthoptera: Haglidae)},
  author={Andrew C Mason},
  journal={Journal of Comparative Physiology A},
  year={2004},
  volume={168},
  pages={351-363}
}
  • A. Mason
  • Published 1 March 1991
  • Biology
  • Journal of Comparative Physiology A
Summary1.Insects of the family Haglidae are relicts of primitive Ensifera. Members of this group display acoustic behaviour in the typical ensiferan pattern, with males producing stereotyped acoustic signals by tegminal stridulation. They are closely related to the major groups of acoustic Ensifera, but their auditory system has not been previously studied. I present here a description of the morphology, and physiology of the peripheral auditory system of Cyphoderris monstrosa.2.The tympana of… 
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The neuronal structures of the proximal tibiae of Stenopelmatus spec are investigated with the hypothesis that internal sensory structures are similar to those in tympanate Ensifera, and the tibial organ was shown to be responsive to vibration.
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It is hypothesize that Vogel's organs in butterflies such as M. peleides have evolved to detect flight sounds of predatory birds, and the evolution and taxonomic distribution of butterfly hearing organs are discussed.
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Prothoracic auditory interneurons in the primitive orthopteran Cyphoderris monstrosa were characterized morphologically and physiologically, using intracellular recording and staining, with differences, however, in the relative sensitivities of different interneuron types at the calling song frequency.
The subgenual organ complex in the cave cricket Troglophilus neglectus (Orthoptera: Rhaphidophoridae): comparative innervation and sensory evolution
TLDR
The innervation pattern of the sensory organs (SGO and intermediate organ (IO) and its variability between individuals is analysed and it is found that the cave cricket sensory structures are relatively simple, consistent with a plesiomorphic organization resembling sensory innervation in grasshoppers and stick insects.
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Neuroanatomy of the complex tibial organ in the splay‐footed cricket Comicus calcaris Irish 1986 (Orthoptera: Ensifera: Schizodactylidae)
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The tibial organ is documented in the nonhearing splay‐footed cricket Comicus calcaris, and the neuroanatomy is discussed with respect to stridulation behavior and the evolutionary origin of hearing in Ensifera.
Structure of atympanate tibial organs in legs of the cave‐living ensifera, Troglophilus neglectus (Gryllacridoidea, Raphidophoridae)
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The results indicate that the complex tibial organs in all legs of T. neglectus are primarily vibrosensitive, and they appear to be more primitive than those found in members of the Tettigoniidae and the Gwllidae.
Neuroanatomy and Physiology of the Complex Tibial Organ of an Atympanate Ensiferan, Ametrus tibialis (Brunner von Wattenwyl, 1888) (Gryllacrididae, Orthoptera) and Evolutionary Implications
TLDR
Based on comparison of neuroanatomical details, the crista acustica homologue of A. tibialis could present the neuronal complement of an ear evolutionary precursor structure, which was successively made sensitive to airborne sound by elaboration of cuticular tympana, auditory spiracle and trachea for sound propagation.
What determines the number of auditory sensilla in the tympanal hearing organs of Tettigoniidae? Perspectives from comparative neuroanatomy and evolutionary forces
  • J. Strauß
  • Biology
    Journal of Orthoptera Research
  • 2019
TLDR
Diversity in the auditory sensilla can be best addressed by comparative studies reconstructing adaptive or regressive changes in the crista acustica, and sexual and natural selection as well as allometric relationships have been identified as key factors influencing the number of sensilla.
Somatotopic mapping of chordotonal organ neurons in a primitive ensiferan, the New Zealand tree weta Hemideina femorata: II. complex tibial organ
TLDR
The structure of the weta, Hemideina femorata, tibial organs and their central projections are investigated and reports of a membranous organ structure for homologs in other ensiferans, which contain receptor cells embedded in thick solid masses are investigated.
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