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

Booher, Douglas B. ; Hoenle, Philipp O. (2021)
A new species group of Strumigenys (Hymenoptera, Formicidae) from Ecuador, with a description of its mandible morphology.
In: ZooKeys, 1036
doi: 10.3897/zookeys.1036.62034
Artikel, Bibliographie

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Kurzbeschreibung (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.

Typ des Eintrags: Artikel
Erschienen: 2021
Autor(en): Booher, Douglas B. ; Hoenle, Philipp O.
Art des Eintrags: Bibliographie
Titel: A new species group of Strumigenys (Hymenoptera, Formicidae) from Ecuador, with a description of its mandible morphology
Sprache: Englisch
Publikationsjahr: 2021
Verlag: Pensoft Publishers
Titel der Zeitschrift, Zeitung oder Schriftenreihe: ZooKeys
Jahrgang/Volume einer Zeitschrift: 1036
Kollation: 19 Seiten
DOI: 10.3897/zookeys.1036.62034
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Kurzbeschreibung (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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Keywords: 3D scan, μCT, LaMSA (latch-mediated spring-actuation), Myrmicinae, Northwest Ecuador, power amplified, Strumigenys ayersthey, taxonomy, tropical forest

Sachgruppe der Dewey Dezimalklassifikatin (DDC): 500 Naturwissenschaften und Mathematik > 570 Biowissenschaften, Biologie
Fachbereich(e)/-gebiet(e): 10 Fachbereich Biologie
10 Fachbereich Biologie > Ecological Networks
Hinterlegungsdatum: 02 Aug 2024 12:36
Letzte Änderung: 02 Aug 2024 12:36
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