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Molecular phylogenetics reveals novel relationships within Empidoidea (Diptera)
Swedish Museum of Natural History, Department of Zoology.
Swedish Museum of Natural History, Department of Zoology.
2018 (English)In: Systematic Entomology, ISSN 0307-6970, E-ISSN 1365-3113Article in journal (Refereed) Epub ahead of print
Abstract [en]

Empidoidea represent a large and diverse superfamily of true flies, and to date no stable hypothesis on the phylogeny exists. Previous classifications have been based on morphological data and the relationships among several groups are still unknown. Using the mitochondrial genes cytochrome oxidase c subunit I (COI) and cytochrome β (Cytβ) and the nuclear genes carbomoylphosphate synthase domain of rudimentary (CAD), elongation factor‐1α (EF‐1α) and isocitrate dehydrogenase (IDH) in a Bayesian analysis, we tested the support of higher taxonomic groups within this large superfamily of flies. We re‐evaluated previous hypotheses of evolution within the group and present a highly supported phylogenetic hypothesis. Atelestidae, Dolichopodidae, Empididae and Hybotidae were supported as monophyletic families, with Atelestidae as sister group to the remaining Empidoidea. Within the family Hybotidae, Bicellariinae stat.n. formed the sister group to the other subfamilies. The family Ragadidae stat.n. is established to include the subfamily Ragadinae and the new subfamily Iteaphilinae subfam.n.; Ragadidae was sister group to the Empididae. Dolichopodidae was found to form a sister group to Ragadidae plus Empididae. Within Empididae, Hemerodromiinae was found to be a nonmonophyletic group. The tribes Hilarini and Hemerodromiini stat. rev. were recovered as sister groups, as were Empidini and Chelipodini stat. rev. The former family Brachystomatidae was found to be nested within Empididae. A revised classification and diagnoses of nondolichopodid families, subfamilies and tribes are provided.

Place, publisher, year, edition, pages
2018.
National Category
Biological Systematics
Identifiers
URN: urn:nbn:se:nrm:diva-2781DOI: DOI: 10.1111/syen.12297OAI: oai:DiVA.org:nrm-2781DiVA, id: diva2:1195716
Funder
The Swedish Taxonomy Initiative (ArtDatabanken, SLU), dha 2014‐149 4.3
Available from: 2018-04-06 Created: 2018-04-06 Last updated: 2018-04-12

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Publisher's full texthttps://doi.org/10.1111/syen.12297

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Wahlberg, EmmaJohanson, Kjell Arne
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