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Western Palaearctic Meteorinae (Hymenoptera: Braconidae) in the National Museums of Scotland, with rearing, phenological and distributional data, including six species new to Britain, and a discussion of a potential route to speciation
Stockholm University, Faculty of Science, Department of Zoology.
National Museums of Scotland.
(English)In: Entomologist's Gazette, ISSN 0013-8894Article in journal (Refereed) In press
Abstract [en]

Distributional, phenological and in many cases rearing data are given for 44 species of western Palaearctic Meteorinae in the genera Meteorus and Zele, from the nearly 2,500 specimens of the group present in the collection of the National Museums of Scotland, Edinburgh. Six species are newly recorded from Britain. Patterns in the breadth of host ranges are discussed in relation to a reiterated speciation hypothesis and a recently published molecular phylogeny.

Keyword [en]
Braconidae, Meteorinae, parasitoids, Meteorus, Zele, phenology, distribution, hosts, Lepidoptera, Coleoptera, host range, speciation, British Isles.
National Category
Zoology
Research subject
Systematic Zoology
Identifiers
URN: urn:nbn:se:su:diva-87905OAI: oai:DiVA.org:su-87905DiVA: diva2:607544
Available from: 2013-02-24 Created: 2013-02-24 Last updated: 2013-07-11Bibliographically approved
In thesis
1. Hidden Creatures – systematics of the Euphorinae (Hymenoptera)
Open this publication in new window or tab >>Hidden Creatures – systematics of the Euphorinae (Hymenoptera)
2013 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Parasitic wasps constitute one of the last remaining frontiers in the charting of animal diversity. The Braconidae is the second most species-rich family of parasitic wasps; the world fauna has been estimated at 40 000 species and the Swedish fauna is believed to include a little more than 2 000 species, 1 200 of which are currently documented. This thesis is a contribution to the rapidly increasing knowledge of braconid diversity. In paper I, a new gregarious parasitoid, Meteorus acerbiavorus sp. nov. (Braconidae: Eupohrinae), is described from specimens reared from the cocoons of the butterfly Acerbia alpina (Quensel) (Lepidoptera, Arctiidae) in northwestern Finnish Lapland. Based on a molecular phylogenetic analysis, the new species is shown to belong to the M. rubens species group. In the second paper, the Western Palearctic fauna of the tribe is revised, seven new species are described and a key to the Western Palearctic species is presented. Two molecular markers, 28S and COI, are used to study phylogenetic relationships in the tribe. The molecular results showed that the Meteorini fall into four well supported clades. The results also reveal a considerable cryptic species diversity. The third paper deals with distributional, phenological and in many cases rearing data from nearly 2 500 specimens (44 species) of the Meteorini in the collection of the National Museums of Scotland (NMS), Edinburgh. Patterns in the breadth of host ranges are discussed in relation to a reiterated speciation hypothesis. Paper IV examines the phylogenetic relationships of the entire subfamily Euphorinae based upon four gene regions (18S, CAD, 28S D2, and COI). A revised classification of the Euphorinae is proposed that recognizes 55 genera and 14 tribes. Our study shows that early members of the Euphorinae were parasitoids of coleopteran larvae, with a host shift to larval Lepidoptera, adult or immature hosts in the Hemiptera, Hymenoptera, Neuroptera, Orthoptera and Psocoptera.

Place, publisher, year, edition, pages
Stockholm: Department of Zoology, Stockholm University, 2013. 40 p.
Keyword
Parasitic wasps, Braconidae, Euphorinae, systematics, phylogeny, molecular taxonomy, cryptic species, evolution, host preferences, identification keys
National Category
Zoology
Research subject
Systematic Zoology
Identifiers
urn:nbn:se:su:diva-87904 (URN)978-91-7447-605-7 (ISBN)
Public defence
2013-05-17, Lilla hörsalen, Naturhistoriska riksmuseet, Frescativägen 40, Stockholm, 10:00 (English)
Opponent
Supervisors
Note

At the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 3: In press. Paper 4: Manuscript.

Available from: 2013-04-25 Created: 2013-02-24 Last updated: 2013-04-15Bibliographically approved

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