oa Journal of the Entomological Society of Southern Africa - The Anatomy of the Nervous System of the Tree Locust, Acanthacris ruficornis. III. The innervation of the nymphal muscles of the pterothorax and first abdominal segment (Fab.)

Volume 17, Issue 2
  • ISSN : 0013-8789



In many nymphal acridids there occur pterothoracic muscles which are lost shortly after the final moult (Thomas 1953, Ewer 1954). The present paper descriptionbes briefly the innervation of thpse muscles in Acanthacris ruficornis (Fab.) Passing references to some have been made in earlier papers in this series (Ewer 1953 and in press). For convenience of descriptionption the muscles are treated in groups. All observations have been made upon nymphs fixed in 70% alcohol.

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