Evolutionary Ecology

, Volume 2, Issue 1, pp 85–94

A qualitative analysis of some life-history correlates of longevity inDrosophila melanogaster

  • L. S. Luckinbill
  • J. L. Graves
  • A. Tomkiw
  • O. Sowirka
Papers

Summary

Three likely traits were examined for their possible connection with increased life span in strains ofDrosophila melanogaster selected for longevity. First, pairing with males caused a substantial reduction in survival of females from the short-lived control strain but, long-lived females were relatively unaffected. A significant component of the improvement in selected females is, therefore, increased tolerance to the presence of mates. Females only slightly affected male survival in either long- or short-lived populations. Selected strains survive substantially better than controls independently of any effect of mate presence.

The (dry) weight of whole flies is equivalent in long- and short-lived populations. Variation in body size does not appear to contribute significantly to extended longevity here.

A third character, the duration of tethered flight, was found to be from three to five times greater in long-lived populations than controls. This suggests the existence of a common physiological basis of longevity to which multiple components contribute in adaptive improvement.

Keywords

Drosophila longevity mate tolerance body size flight life history 

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Copyright information

© Chapman and Hall Ltd. 1988

Authors and Affiliations

  • L. S. Luckinbill
    • 1
  • J. L. Graves
    • 1
  • A. Tomkiw
    • 1
  • O. Sowirka
    • 1
  1. 1.Department of Biological Sciences and Institute of GerontologyWayne State UniversityDetroitUSA

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