An annotated catalogue of the pygmy grasshoppers of the genus Criotettix Bolívar, 1887 (Orthoptera: Tetrigidae) with two new Criotettix species from China

Deng, Wei-An; Chen, Danni; Sheng, Qin; Zhao, Cong-Lin; Wu, Fei-Peng

doi:10.11646/zootaxa.4629.4.2

Cited by 1,016 publications

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“…Tetrigoidea (more than 2,000 species), the pygmy grasshoppers, is sister to Acridomorpha and belongs to the Acrididea infraorder ( Song et al, 2015 ; Deng, 2016 ; Cigliano et al, 2020 ). The species in Tetrigoidea constitute a unique family, Tetrigidae, which is widely distributed throughout the world and has 265 genera within nine subfamilies (Scelimeninae, Metrodorinae, Diseotettiginae, Tetriginae, Cladonotinae, Lophotettiginae, Batrachideinae, Tripetalocerinae, and Cleostratinae) ( Deng, 2016 ; Deng et al, 2019 ). Studies of Tetrigidae have mainly focused on their traditional morphological classification over the past decade due to its small size and marginal importance as an agricultural pest ( Deng, 2016 ; Wei, Xin & Deng, 2018 ).…”

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confidence: 99%

Mitochondrial genomes of eight Scelimeninae species (Orthoptera) and their phylogenetic implications within Tetrigoidea

Ying

Deng

et al. 2021

PeerJ

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Scelimeninae is a key member of the pygmy grasshopper community, and an important ecological indicator. No mitochondrial genomes of Scelimeninae have been reported to date, and the monophyly of Scelimeninae and its phylogenetic relationship within Tetrigidae is still unclear. We sequenced and analyzed eight nearly complete mitochondrial genomes representing eight genera of Scelimeninae. These mitogenomes ranged in size from 13,112 to 16,380 bp and the order of tRNA genes between COII and ATP8 was reversed compared with the ancestral order of insects. The protein-coding genes (PCGs) of tetrigid species mainly with the typical ATN codons and most terminated with complete (TAA or TAG) stop codons. Analyses of pairwise genetic distances showed that ATP8 was the least conserved gene within Tetrigidae, while COI was the most conserved. The longest intergenic spacer (IGS) region in the mitogenomes was always found between tRNASer(UCN) and ND1. Additionally, tandem repeat units were identified in the longest IGS of three mitogenomes. Maximum likelihood (ML) and Bayesian Inference (BI) analyses based on the two datasets supported the monophyly of Tetriginae. Scelimeninae was classified as a non-monophyletic subfamily.

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Section: Introductionmentioning

confidence: 99%

Mitochondrial genomes of eight Scelimeninae species (Orthoptera) and their phylogenetic implications within Tetrigoidea

Ying

Deng

et al. 2021

PeerJ

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Chromosome-level genome assembly of the pygmy grasshopper Eucriotettix oculatus (Orthoptera: Tetrigoidea)

Li,

Qin,

Rong

et al. 2024

Sci Data

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The pygmy grasshoppers, which belong to the superfamily Tetrigoidea, exhibit remarkable environmental adaptability. However, no study has yet reported a reference genome for this group. In this study, we assembled a high-quality chromosome-scale genome of Eucriotettix oculatus, which survive in the environment heavily polluted by heavy metals, achieved through Illumina and PacBio sequencing, alongside chromosome conformation capture techniques. The resulting genome spans 985.45 Mb across seven chromosomes (range: 71.55 to 266.65 Mb) and features an N50 length of 123.82 Mb. Chr5 is considered to be the single sex chromosome (X). This genome is composed of 46.42% repetitive elements and contains 14,906 predicted protein-coding genes, 91.63% of which are functionally annotated. Decoding the E. oculatus genome not only promotes future studies on environmental adaptation for the pygmy grasshopper, but also provides valuable resources for in-depth investigation on phylogeny, evolution, and behavior of Orthoptera.

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New species and new synonyms of Criotettix and Eucriotettix from China (Orthoptera: Tetrigidae) with an updated key

Deng

2021

Oriental Insects

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An annotated catalogue of the pygmy grasshoppers of the genus Criotettix Bolívar, 1887 (Orthoptera: Tetrigidae) with two new Criotettix species from China

Cited by 1,016 publications

References 0 publications

Mitochondrial genomes of eight Scelimeninae species (Orthoptera) and their phylogenetic implications within Tetrigoidea

Mitochondrial genomes of eight Scelimeninae species (Orthoptera) and their phylogenetic implications within Tetrigoidea

Chromosome-level genome assembly of the pygmy grasshopper Eucriotettix oculatus (Orthoptera: Tetrigoidea)

New species and new synonyms of Criotettix and Eucriotettix from China (Orthoptera: Tetrigidae) with an updated key

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