Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)

Abstract Species of camel spiders in the family Eremobatidae are an important component of arthropod communities in arid ecosystems throughout North America. Recently, research demonstrated that the evolutionary history and biogeography of the family are poorly understood. Herein we explore the biog...

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Autores principales:	Carlos E. Santibáñez-López, Paula E. Cushing, Alexsis M. Powell, Matthew R. Graham
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5620a86c29a0420180fdf8e119ecf16a
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spelling	oai:doaj.org-article:5620a86c29a0420180fdf8e119ecf16a2021-11-14T12:18:17ZDiversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)10.1038/s41598-021-01555-12045-2322https://doaj.org/article/5620a86c29a0420180fdf8e119ecf16a2021-11-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-01555-1https://doaj.org/toc/2045-2322Abstract Species of camel spiders in the family Eremobatidae are an important component of arthropod communities in arid ecosystems throughout North America. Recently, research demonstrated that the evolutionary history and biogeography of the family are poorly understood. Herein we explore the biogeographic history of this group of arachnids using genome-wide single nucleotide polymorphism (SNP) data, morphology, and distribution modelling to study the eremobatid genus Eremocosta, which contains exceptionally large species distributed throughout North American deserts. Relationships among sampled species were resolved with strong support and they appear to have diversified within distinct desert regions along an east-to-west progression beginning in the Chihuahuan Desert. The unexpected phylogenetic position of some samples suggests that the genus may contain additional, morphologically cryptic species. Geometric morphometric analyses reveal a largely conserved cheliceral morphology among Eremocosta spp. Phylogeographic analyses indicate that the distribution of E. titania was substantially reduced during the last glacial maximum and the species only recently colonized much of the Mojave Desert. Results from this study underscore the power of genome-wide data for unlocking the genetic potential of museum specimens, which is especially promising for organisms like camel spiders that are notoriously difficult to collect.Carlos E. Santibáñez-LópezPaula E. CushingAlexsis M. PowellMatthew R. GrahamNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Carlos E. Santibáñez-López Paula E. Cushing Alexsis M. Powell Matthew R. Graham Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)
description	Abstract Species of camel spiders in the family Eremobatidae are an important component of arthropod communities in arid ecosystems throughout North America. Recently, research demonstrated that the evolutionary history and biogeography of the family are poorly understood. Herein we explore the biogeographic history of this group of arachnids using genome-wide single nucleotide polymorphism (SNP) data, morphology, and distribution modelling to study the eremobatid genus Eremocosta, which contains exceptionally large species distributed throughout North American deserts. Relationships among sampled species were resolved with strong support and they appear to have diversified within distinct desert regions along an east-to-west progression beginning in the Chihuahuan Desert. The unexpected phylogenetic position of some samples suggests that the genus may contain additional, morphologically cryptic species. Geometric morphometric analyses reveal a largely conserved cheliceral morphology among Eremocosta spp. Phylogeographic analyses indicate that the distribution of E. titania was substantially reduced during the last glacial maximum and the species only recently colonized much of the Mojave Desert. Results from this study underscore the power of genome-wide data for unlocking the genetic potential of museum specimens, which is especially promising for organisms like camel spiders that are notoriously difficult to collect.
format	article
author	Carlos E. Santibáñez-López Paula E. Cushing Alexsis M. Powell Matthew R. Graham
author_facet	Carlos E. Santibáñez-López Paula E. Cushing Alexsis M. Powell Matthew R. Graham
author_sort	Carlos E. Santibáñez-López
title	Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)
title_short	Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)
title_full	Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)
title_fullStr	Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)
title_full_unstemmed	Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)
title_sort	diversification and post-glacial range expansion of giant north american camel spiders in genus eremocosta (solifugae: eremobatidae)
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/5620a86c29a0420180fdf8e119ecf16a
work_keys_str_mv	AT carlosesantibanezlopez diversificationandpostglacialrangeexpansionofgiantnorthamericancamelspidersingenuseremocostasolifugaeeremobatidae AT paulaecushing diversificationandpostglacialrangeexpansionofgiantnorthamericancamelspidersingenuseremocostasolifugaeeremobatidae AT alexsismpowell diversificationandpostglacialrangeexpansionofgiantnorthamericancamelspidersingenuseremocostasolifugaeeremobatidae AT matthewrgraham diversificationandpostglacialrangeexpansionofgiantnorthamericancamelspidersingenuseremocostasolifugaeeremobatidae
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Diversification and post-glacial range expansion of giant North American camel spiders in genus Eremocosta (Solifugae: Eremobatidae)

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