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Phylogeny, Taxonomy, Biogeography, C...

Prebus, Matthew McIvor.

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Phylogeny, Taxonomy, Biogeography, Character Evolution, and Species Delimitation in the Ant Genus Temnothorax (Hymenoptera: Formicidae), with a Focus on the salvini Clade.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Phylogeny, Taxonomy, Biogeography, Character Evolution, and Species Delimitation in the Ant Genus Temnothorax (Hymenoptera: Formicidae), with a Focus on the salvini Clade./
Author:	Prebus, Matthew McIvor.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
Description:	879 p.
Notes:	Source: Dissertations Abstracts International, Volume: 80-09, Section: B.
Contained By:	Dissertations Abstracts International80-09B.
Subject:	Morphology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13421496
ISBN:	9780438931428

Phylogeny, Taxonomy, Biogeography, Character Evolution, and Species Delimitation in the Ant Genus Temnothorax (Hymenoptera: Formicidae), with a Focus on the salvini Clade.
Prebus, Matthew McIvor.

Phylogeny, Taxonomy, Biogeography, Character Evolution, and Species Delimitation in the Ant Genus Temnothorax (Hymenoptera: Formicidae), with a Focus on the salvini Clade. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 879 p.

Source: Dissertations Abstracts International, Volume: 80-09, Section: B.

Thesis (Ph.D.)--University of California, Davis, 2018.

This item must not be sold to any third party vendors.

In this study, I investigate the phylogeny, taxonomy, and biogeography of the species-rich, Holarctic ant genus Temnothorax (Hymenoptera: Formicidae: Myrmicinae), with a special focus on the species of the salvini clade, which is established in Chapter 1. Furthermore, I analyze the evolution of behavioral traits in the genus overall, and infer species delimitations in the salvini species group, which is established in Chapter 2. Chapter 1 is a global phylogeny of Temnothorax, in which I use a combination of Sanger sequencing data, ultraconserved elements data, and morphological data to establish seven large clades within the genus. I analyze the historical biogeography of Temnothorax and find that the crown group likely arose in the Nearctic region at the Eocene-Oligocene transition, about 35 million years ago, coinciding with ancient global cooling. Moreover, I find that social parasitism arose several times independently within Temnothorax, as did arboreality. In Chapter 2 I re-estimate the phylogeny of Temnothorax using sequences from ultraconserved elements data, expand on the taxon sampling from Chapter 1, and reexamine the phylogeny in light of historical subgeneric classification systems. I find that the historical systems are inadequate and establish a two-tiered classification system based on the informal ranks "major clades" and "species groups". Additionally, I establish species groups within the newly established salvini clade and infer species delimitations in the newly established salvini species group using a combination of model-based approaches with molecular data and morphometric analysis. Chapter 3 is a species-level taxonomic revision of the salvini clade of Temnothorax. In this part of the study, I review 61 species, 34 of which are described as new. I provide a key to all clades of Temnothorax in the New World, as well as a key to all species, and diagnosis, of the salvini clade. Finally, I redescribe all previously named species of the salvini clade and compile natural history observations of the species.

ISBN: 9780438931428Subjects--Topical Terms:

591167
Morphology.

Phylogeny, Taxonomy, Biogeography, Character Evolution, and Species Delimitation in the Ant Genus Temnothorax (Hymenoptera: Formicidae), with a Focus on the salvini Clade.
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245 1 0 $a Phylogeny, Taxonomy, Biogeography, Character Evolution, and Species Delimitation in the Ant Genus Temnothorax (Hymenoptera: Formicidae), with a Focus on the salvini Clade.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2018
300 $a 879 p.
500 $a Source: Dissertations Abstracts International, Volume: 80-09, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Ward, Philip S.
502 $a Thesis (Ph.D.)--University of California, Davis, 2018.
506 $a This item must not be sold to any third party vendors.
520 $a In this study, I investigate the phylogeny, taxonomy, and biogeography of the species-rich, Holarctic ant genus Temnothorax (Hymenoptera: Formicidae: Myrmicinae), with a special focus on the species of the salvini clade, which is established in Chapter 1. Furthermore, I analyze the evolution of behavioral traits in the genus overall, and infer species delimitations in the salvini species group, which is established in Chapter 2. Chapter 1 is a global phylogeny of Temnothorax, in which I use a combination of Sanger sequencing data, ultraconserved elements data, and morphological data to establish seven large clades within the genus. I analyze the historical biogeography of Temnothorax and find that the crown group likely arose in the Nearctic region at the Eocene-Oligocene transition, about 35 million years ago, coinciding with ancient global cooling. Moreover, I find that social parasitism arose several times independently within Temnothorax, as did arboreality. In Chapter 2 I re-estimate the phylogeny of Temnothorax using sequences from ultraconserved elements data, expand on the taxon sampling from Chapter 1, and reexamine the phylogeny in light of historical subgeneric classification systems. I find that the historical systems are inadequate and establish a two-tiered classification system based on the informal ranks "major clades" and "species groups". Additionally, I establish species groups within the newly established salvini clade and infer species delimitations in the newly established salvini species group using a combination of model-based approaches with molecular data and morphometric analysis. Chapter 3 is a species-level taxonomic revision of the salvini clade of Temnothorax. In this part of the study, I review 61 species, 34 of which are described as new. I provide a key to all clades of Temnothorax in the New World, as well as a key to all species, and diagnosis, of the salvini clade. Finally, I redescribe all previously named species of the salvini clade and compile natural history observations of the species.
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