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Phylogeny and biogeography of Coenonympha butterflies (Nymphalidae: Satyrinae) – patterns of colonization in the Holarctic
Stockholm University, Faculty of Science, Department of Zoology.
2009 (English)In: Systematic Entomology, ISSN 0307-6970, Vol. 34, no 2, 315-323 p.Article in journal (Refereed) Published
Abstract [en]

We studied the historical biogeography of a group of butterflies in the Holarctic region belonging to the genus Coenonympha (Nymphalidae: Satyrinae: Coenonymphina), based on a phylogenetic hypothesis estimated from three genes. The genus is distributed mainly in the Palaearctic region, with two species extending into the Nearctic region. The tree is generally well supported and shows that Coenonympha is paraphyletic with respect to Lyela (syn.n.) and Triphysa (syn.n.), and we hence synonymize the latter two with Coenonympha. Within Coenonympha we identify three species groups, the tullia, glycerion and hero groups. The North American tullia exemplars are not sister to the Eurasian ones. A diva analysis indicates that the ancestor of the group was present in the Central Palaearctic or Central Palaeartic + Western Palaearctic or Central Palaearctic + Eastern Palaearctic. We conclude that the most likely origin of extant members of Coenonympha was in the Central Asian mountains. The tullia and hero groups started diverging in Europe following dispersal into the region. There have been two independent colonizations into Africa. The drying up of the Mediterranean during the Messinian period probably played an important role, allowing colonization into the Mediterranean islands and Africa.

Place, publisher, year, edition, pages
2009. Vol. 34, no 2, 315-323 p.
URN: urn:nbn:se:su:diva-29537DOI: 10.1111/j.1365-3113.2008.00453.xISI: 000264374300009OAI: diva2:233968
Available from: 2009-09-03 Created: 2009-09-03 Last updated: 2009-09-04Bibliographically approved
In thesis
1. The dispersal–vicariance pendulum and butterfly biogeography
Open this publication in new window or tab >>The dispersal–vicariance pendulum and butterfly biogeography
2009 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The relative importance of dispersal and vicariance in speciation is a subject of long standing debate. The earliest historical biogeographers invoked dispersal to explain disjunct distributions. With the advent of phylogenetic systematics and the acceptance of plate-tectonic theory, vicariance gained prominence and dispersalist explanations were increasingly rejected in favour of the former. This led to a new paradigm termed ‘vicariance biogeography’. The quintessence of vicariance biogeography is the consideration of vicariance as the null hypothesis in explanations of disjunct distributions. The notion of vicariance being the predominant force in allopatric speciation started gaining increasing acceptance in the biogeographic community. This also came to be reflected in analytical methods, many of which are biased towards vicariant inferences. However, the recent past has seen this vicariance-dominated view being confronted by a suite of studies demonstrating that dispersal has played a vital role in speciation and is equally important, if not more. In this thesis, I have studied the historical biogeography of nymphalid butterflies (Family Nymphalidae) in the genus Junonia and two subtribes - Coenonymphina and Mycalesina. Junonia is found in all major zoogeographic regions apart from the Palaearctic. Coenonymphina is found in the Holarctic, Neotropical and Australasian regions. Mycalesina is found all over the Old World tropics. The results in the thesis indicate that dispersal has played a crucial role in the diversification of these groups, while there is little evidence for vicariance in any group. I also critique Dispersal-Vicariance analysis, the widely used analytical method in historical biogeography that is based on the principle of parsimony. I use simulated data to highlight various sources of error when using the method, and suggest ways that may help increase the realism of biogeographic inferences.

Place, publisher, year, edition, pages
Stockholm: Department of Zoology, Stockholm University, 2009. 12 p.
Junonia, Coenonympha, Coenonymphina, Mycalesina, historical biogeography, vicariance, dispersal, DIVA
National Category
Natural Sciences
Research subject
Animal Ecology
urn:nbn:se:su:diva-29505 (URN)978-91-7155-936-4 (ISBN)
Public defence
2009-10-09, Lilla hörsalen, Naturhistoriska riksmuseet, Frescativägen 40, Stockholm, 10:00 (English)
At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: Manuscript. Paper 4: In press. Paper 5: In press.Available from: 2009-09-17 Created: 2009-09-02 Last updated: 2009-09-04Bibliographically approved

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