Geographical versus food plant differentiation in populations of Maculinea alcon (Lepidoptera: Lycaenidae) in Northern Hungary

Judit Bereczki, Katalin Pecsenye, Z. Varga

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

The taxonomic status of Alco Blues in Central and Western Europe (conventionally: Maculinea alcon and M. rebeli) is confused. Some authors distinguish them as separate species within the M. alcon species group, while others consider them to be subspecies or simply ecological forms. Our aim was to study the geographical versus food plant pattern of genetic differentiation among several populations of these taxa in Northern Hungary. Imagines were collected from 11 localities between 2000 and 2003. M. alcon feeding on G. pneumonanthe from three subregions and on G. cruciata from two subregions were analysed. Enzyme polymorphism was analysed at 16 enzyme loci using polyacrylamide gel electrophoresis. In the analysis of the data, F-statistics were computed and the total genetic variation partitioned into within and between population components. Nei's genetic distances were calculated and a UPGMA dendrogram constructed on the basis of the distance matrix. Hierarchical F-statistics and AMOVA were computed to study the pattern of genetic differentiation among the samples. PCA analysis was also carried out using the allele frequencies of the samples. The results of all analyses indicated strong differentiation among the samples. A sizeable portion of this variation was detected among the samples/ generations collected from the same population. The distribution of the between population variation did not exhibit a clear split between the two food plant groups. In addition, the F ST values computed using a restricted data set suggested significant differentiation among the subregions. The results of AMOVA and PCA also indicated that the geographic pattern was more expressed in the between sample variation than the conventional taxonomic pattern.

Original languageEnglish
Pages (from-to)725-732
Number of pages8
JournalEuropean Journal of Entomology
Volume103
Issue number4
Publication statusPublished - 2006

Fingerprint

Lycaenidae
food plants
Hungary
Lepidoptera
genetic variation
sampling
statistics
enzyme polymorphism
Western European region
Central European region
gene frequency
genetic distance
polyacrylamide gel electrophoresis
data analysis
loci
enzymes

Keywords

  • "Cruciata" type
  • "Pneumonanthe" type
  • Alcon Blue
  • Enzyme polymorphism
  • Geographical differentiation
  • Lycaenidae
  • Maculinea alcon

ASJC Scopus subject areas

  • Insect Science

Cite this

Geographical versus food plant differentiation in populations of Maculinea alcon (Lepidoptera : Lycaenidae) in Northern Hungary. / Bereczki, Judit; Pecsenye, Katalin; Varga, Z.

In: European Journal of Entomology, Vol. 103, No. 4, 2006, p. 725-732.

Research output: Contribution to journalArticle

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