, Volume 48, Issue 10, pp 1010–1013 | Cite as

Geographic populations of the medfly may be differentiated by mitochondrial DNA variation

  • W. S. Sheppard
  • G. J. Steck
  • B. A. McPheron
Research Articles


Restriction enzyme cleavage sites of mitochondrial DNA (mtDNA) from the Mediterranean fruit fly were found to vary among introduced populations in the Neotropics. The survey included samples from 15 established natural populations and 5 laboratory cultures from Hawaii, Central America, South America and West Africa and samples from recent California infestations (1989, 1991). Based on restriction fragment length polymorphisms from 2 enzymes, Hawaii is an unlikely source for the 1989 and 1991 California infestations. Interpopulational variation in mtDNA demonstrates the potential for the technique to trace the process of colonization (geographic spread) by this insect.

Key words

Mediterranean fruit fly Ceratitis capitata mitochondrial DNA colonization 


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Copyright information

© Birkhäuser Verlag 1992

Authors and Affiliations

  • W. S. Sheppard
    • 1
  • G. J. Steck
    • 2
  • B. A. McPheron
    • 3
  1. 1.Bee Research LaboratoryUnited States Department of AgricultureBeltsvilleUSA
  2. 2.Division of Plant IndustriesFlorida Department of Agriculture and Consumer ServicesGainesvilleUSA
  3. 3.Department of Entomology and Institute of Molecular Evolutionary GeneticsPenn State UniversityUniversity ParkUSA

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