A new species group of <i>Strumigenys</i> (Hymenoptera, Formicidae) from Ecuador, with a description of its mandible morphology

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Abstract

Strumigenys is one of the most diverse ant genera in the world and arguably the most morphologically diverse, exhibiting an exceptional range of mandible shape and function. A new species, Strumigenys ayersthey sp. nov., discovered in the Chocó region of Ecuador is described. With two morphological characters, this species is shown to be a morphologically unique outlier among Strumigenys globally, having predominately smooth and shining cuticle surface sculpturing and long trap-jaw mandibles. Using µCT scans, we produced 3D images of the worker ant and static images to examine and compare mandible articular morphologies with most morphologically similar members of the mandibularis species group. Cuticular, pilosity, and articular mandible morphological differences supports placing the new species in its own new species group.

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Author and article information

Journal

Journal ID (nlm-ta): Zookeys

Journal ID (iso-abbrev): Zookeys

Journal ID (publisher-id): 2

Journal ID (index): urn:lsid:arphahub.com:pub:45048D35-BB1D-5CE8-9668-537E44BD4C7E

Journal ID (aggregator): urn:lsid:zoobank.org:pub:91BD42D4-90F1-4B45-9350-EEF175B1727A

Title: ZooKeys

Publisher: Pensoft Publishers

ISSN (Print): 1313-2989

ISSN (Electronic): 1313-2970

Publication date Collection: 2021

Publication date (Electronic): 05 May 2021

Volume: 1036

Pages: 1-19

Affiliations

[1 ] Yale Center for Biodiversity and Global Change, 165 Prospect Street, New Haven, CT 06520-8106, USA Yale Center for Biodiversity and Global Change New Haven United States of America

[2 ] Georgia Museum of Natural History, 101 Cedar Street, Athens, GA 30602, USA Georgia Museum of Natural History Athens United States of America

[3 ] Ecological Networks, Department of Biology, Technical University of Darmstadt, Darmstadt, Germany Ecological Networks, Department of Biology, Technical University of Darmstadt Darmstadt Germany

Author notes

Corresponding authors: Douglas B. Booher ( dbooher@ 123456antmuseum.com ); Philipp O. Hoenle ( philipp.hoenle92@ 123456gmail.com )

Academic editor: Brian L. Fisher

Article

Publisher ID: 62034

DOI: 10.3897/zookeys.1036.62034

PMC ID: 8116322

SO-VID: 623f7622-63d1-4521-82af-38c931e5b46d

License:

This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.