Distribution of the Eastern knapweed fritillary (Melitaea ornata Christoph, 1893) (Lepidoptera: Nymphalidae): Past, present and future

János P. Tóth, Katalin Varga, Zsolt Végvári, Z. Varga

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Climatic change during the Quaternary resulted in periodical range restrictions and expansions in most temperate species. Although some repetitive patterns have been supported, it became obvious that species' responses might be rather specific and may also depend on habitat preferences of the species in question. Distribution of Melitaea ornata, a little known fritillary species is analysed on different time scales using MaxEnt software. Using the results of genitalia morphometry and the predicted potential refugia during the Last Glacial Maximum (LGM), we reconstructed probable re-colonisation routes. We also predicted changes in the potential area for 2080. The present distribution fits well the known occurrence data except for the Iberian Peninsula and North-Africa where the species is missing. Based on our predictions, temperate areas seem to be less suitable for the species. We proposed two hypotheses to explain this pattern: a less probable recent extinction from Iberia and a more supported historical explanation. Predicted distribution during the LGM mainly fits to widely accepted refugia. Europe was probably re-colonised from two main sources, from the Apennine peninsula and from the Balkans which was probably connected to the Anatolian refugia. Populations of the Levant region and in the Elburs Mts. do not show any significant expansion. Further studies are necessary in the case of the predicted Central Asian refugia. Predictions for 2080 show a northward shift and some extinction events in the Mediterranean region. Core areas are identified which might have a potential for expansion including southern Russia, Hungary and possibly Provence in France. Predicted northward area shifts are only possible if the potential leading edge populations and habitats of the species can be preserved.

Original languageEnglish
Pages (from-to)245-255
Number of pages11
JournalJournal of Insect Conservation
Volume17
Issue number2
DOIs
Publication statusPublished - 2013

Fingerprint

Centaurea
Nymphalidae
refuge habitats
Lepidoptera
refugium
Iberian Peninsula
extinction
prediction
Balkans
Last Glacial Maximum
Northern Africa
morphometry
habitat preferences
Mediterranean region
Hungary
Russia
genitalia
France
climate change
recolonization

Keywords

  • Climate change
  • Last Glacial Maximum
  • MaxEnt
  • Palearctic
  • Species distribution model

ASJC Scopus subject areas

  • Ecology
  • Animal Science and Zoology
  • Nature and Landscape Conservation
  • Insect Science

Cite this

Distribution of the Eastern knapweed fritillary (Melitaea ornata Christoph, 1893) (Lepidoptera : Nymphalidae): Past, present and future. / Tóth, János P.; Varga, Katalin; Végvári, Zsolt; Varga, Z.

In: Journal of Insect Conservation, Vol. 17, No. 2, 2013, p. 245-255.

Research output: Contribution to journalArticle

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