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September 10, 2025Zootaxa0 citations

A revision of the shield-backed katydid genus Aglaothorax (Orthoptera: Tettigoniidae: Tettigoniinae: Nedubini)

JCJeffrey A. ColeNatural History Museum of Los Angeles County DWDavid B. WeissmanCalifornia Academy of Sciences DLDavid C. LightfootUniversity of New Mexico

Key Points

Molecular phylogenetics and morphology redefine species boundaries within the genus Aglaothorax.
Twelve new species of Aglaothorax are described, enhancing understanding of katydids in this genus.
The study involves bioacoustics and cytogenetics to further investigate the evolution of songs and chromosomes.
Implications for conservation and biogeography are discussed in the context of updated systematics.

Abstract

The Nearctic Shield-backed Katydid (Shieldbacks) genus Aglaothorax is revised. Species boundaries are delimited with molecular phylogenetics, morphology, bioacoustics, and cytogenetics. Five species are redescribed: A. diminutiva (Rentz A. dactyla (Rentz and A. islandica (Rentz & Weissman, 1981) = A. morsei santacruzae (Rentz & Weissman, 1981). Twelve new species are described: A. acrolophitus sp. nov., A. amathitis sp. nov., A. bufonoides sp. nov., A. conistylus sp. nov., A. kelainops sp. nov., A. khioneos sp. nov., A. hulodomus sp. nov., A. nesiazo sp. nov., A. oreibates sp. nov., A. poecilonotum sp. nov., A. sphenosternum sp. nov., and A. strobilion sp. nov. Evolution of songs and chromosomes, biogeography, rearing, and conservation are discussed in light of the updated and expanded systematics.

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