oa Journal of the Entomological Society of Southern Africa - Functional morphology of the stridulatory apparatus of Acanthoplus speiseri Brancsik (Orthoptera: Tettigoniidae, Hetrodinae)
|Article Title||Functional morphology of the stridulatory apparatus of Acanthoplus speiseri Brancsik (Orthoptera: Tettigoniidae, Hetrodinae)|
|© Publisher:||Entomological Society of South Africa (ESSA)|
|Journal||Journal of the Entomological Society of Southern Africa|
|Affiliations||1 Department of Biological Sciences, University of Zambia, Lusaka, Zambia.|
|Publication Date||Sep 1992|
|Pages||227 - 244|
|Keyword(s)||Acanthoplus speiseri Brancsik and Morphology|
The functional morphology of the stridulatory apparatus of Acanthoplus speiseri Brancsik was studied and geographic variation in the structure investigated. The stridulatory apparatus comprises a pair of modified and highly reduced mesothoracic wings or tegmina that serve solely as sound producing organs, and their operating muscles. These forewings are oval in shape and have a parchment-like consistency. Each tegmen bears a file of cuticular teeth on the CuP vein and a hardened edge (plectrum) underneath. The left sound producing organ overlaps the right both at rest and during stridulation.
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