Community sampling and integrative taxonomy reveal new species and host specificity in the army ant-associated beetle genus Tetradonia (Coleoptera, Staphylinidae, Aleocharinae)

Christoph Von Beeren, Munetoshi Maruyama, Daniel J.C. Kronauer

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Army ant colonies host a diverse community of arthropod symbionts. Among the best-studied symbiont communities are those of Neotropical army ants of the genus Eciton. It is clear, however, that even in these comparatively well studied systems, a large proportion of symbiont biodiversity remains unknown. Even more striking is our lack of knowledge regarding the nature and specificity of these host-symbiont interactions. Here we surveyed the diversity and host specificity of rove beetles of the genus Tetradonia Wasmann, 1894 (Staphylinidae: Aleocharinae). Systematic community sampling of 58 colonies of the six local Eciton species at La Selva Biological Station, Costa Rica, combined with an integrative taxonomic approach, allowed us to uncover species diversity, host specificity, and co-occurrence patterns of symbionts in unprecedented detail. We used an integrative taxonomic approach combining morphological and genetic analyses, to delineate species boundaries. Mitochondrial DNA barcodes were analyzed for 362 Tetradonia specimens, and additional nuclear markers for a subset of 88 specimens. All analyses supported the presence of five Tetradonia species, including two species new to science. Host specificity is highly variable across species, ranging from generalists such as T. laticeps, which parasitizes all six local Eciton species, to specialists such as T. lizonae, which primarily parasitizes a single species, E. hamatum. Here we provide a dichotomous key along with diagnostic molecular characters for identification of Tetradonia species at La Selva Biological Station. By reliably assessing biodiversity and providing tools for species identification, we hope to set the baseline for future studies of the ecological and evolutionary dynamics in these species-rich host-symbiont networks.

Original languageEnglish
Article numbere0165056
JournalPloS one
Volume11
Issue number11
DOIs
Publication statusPublished - Nov 1 2016

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Ants
Host Specificity
Biodiversity
Staphylinidae
Beetles
Taxonomies
host specificity
symbionts
Formicidae
Eciton
Coleoptera
Sampling
taxonomy
new species
Mitochondrial DNA
Costa Rica
sampling
Molecular Pathology
Arthropods
biodiversity

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)
  • General

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Community sampling and integrative taxonomy reveal new species and host specificity in the army ant-associated beetle genus Tetradonia (Coleoptera, Staphylinidae, Aleocharinae). / Von Beeren, Christoph; Maruyama, Munetoshi; Kronauer, Daniel J.C.

In: PloS one, Vol. 11, No. 11, e0165056, 01.11.2016.

Research output: Contribution to journalArticle

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