Exact age determination in laboratory and field-caught Drosophila
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A method to prepare and count daily growth layers in internal thoracic muscle attachments is described. Growth layers have been observed in five species in the laboratory and in five field-caught species-including Drosophila melanogaster and D. pseudoobscura. The growth layers do not vary with the genetic make up of individuals within a species, and are comparable between individuals of different species. However, a daily temperature cycle is required for the production of strong layers in laboratory stocks. © 1982.
Journal of Insect Physiology
author list (cited authors)
Johnston, J. S., & Ellison, J. R.
complete list of authors
Johnston, JS||Ellison, JR