Metapopulation genetic structure of two coexisting parasitoids of the Glanville fritillary butterfly

M Kankare*, S van Nouhuys, O Gaggiotti, I Hanski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Citations (Scopus)

Abstract

We investigated the metapopulation genetic structure of two specialist parasitoids, Cotesia melitaearum and Hyposoter horticola, attacking the Glanville fritillary butterfly (Melitaea cinxia) in the Aaland Islands south-western Finland. The host butterfly persists as a classic metapopulation in a network of 4,000 small habitat patches within an area of 50 by 70 km . The two parasitoids are known to differ greatly in their population dynamics and spatial pattern of occupancy in local host populations. Analysis of genetic population structure using F-ST and clustering of multilocus genotypes revealed a distinct large-scale spatial structure in C. melitaearum but a very weak pattern in H. horticola. This result is consistent with the known difference in the dispersal range (much longer in H. horticola) and population size (much greater in H. horticola) of the two parasitoids.

Original languageEnglish
Pages (from-to)77-84
Number of pages8
JournalOecologia
Volume143
Issue number1
DOIs
Publication statusPublished - Mar 2005

Keywords

  • CINXIA
  • FLOW
  • BRACONIDAE
  • BEHAVIOR
  • spatial structure
  • Cotesia
  • dispersal
  • MICROSATELLITE LOCI
  • Hyposoter
  • GEOGRAPHIC STRUCTURE
  • LANDSCAPE
  • POPULATION-STRUCTURE
  • HYMENOPTERA
  • Melitaea cinxia
  • COTESIA-MELITAEARUM

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