Two New Species and New Records of Springtails (Collembola: Entomobryidae, Paronellidae) from Nevis, Lesser Antilles

Soto-Adames, Felipe N.; Anderson, Evan W.

doi:10.1653/024.100.0107

Cited by 6 publications

(5 citation statements)

References 10 publications

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“…Our dataset of Lepidocyrtus represents two subgenera: Setogaster ( Lepidocyrtus sp., L. sotoi and L. nigrosetosus ) and Lanocyrtus ( L. fimetarius ) (Bellini et al., 2015; Cipola et al., 2019b; Gisin, 1964). Lanocyrtus was recovered as an in‐group of Setogaster with high node support, and closely related to L. nigrosetosus , a widespread species in Neotropical Region (Katz et al., 2016; Soto‐Adames & Anderson, 2017). Setogaster species show a rounded dental lobe and can present scales on proximal antennae and femurs, as our sampled species, while Lanocyrtus taxa are devoid of both the dental lobe and scales on appendages (Cipola, Morais, Godeiro, et al., 2019; Yoshii & Suhardjono, 1989).…”

Section: Resultsmentioning

confidence: 99%

A mitogenomic phylogeny of the Entomobryoidea (Collembola): A comparative perspective

et al. 2021

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Mitogenomes have been widely used as markers to reconstruct phylogenies of various groups of arthropods, but specifically for Collembola they have not been useful to resolve the relationships between some families, such as Paronellidae and Entomobryidae. Here, we present a phylogenetic study integrating previously published data and 20 new mitogenomes, totalling 54 species of Entomobryoidea and two external groups. Eight of the nine subfamilies were included, with species from the most representative genera. The new mitogenomes were sequenced, assembled and annotated, resulting in sequences with a length of approximately 14,000 bp. Phylogenetic analyses were conducted based on the 13 protein‐ and 2 rRNAs‐encoding genes of the 56 mitogenomes. Both maximum likelihood (with six different datasets/models) and Bayesian inference analyses were performed. Orchesellidae, Seirinae and Lepidocyrtinae were reaffirmed as monophyletic groups, while the phylogenetic relationships between Paronellidae and Entomobryidae remain confused. A complete resolution of the Entomobryoidea phylogeny will require a comprehensive genomic sampling of the most informative nuclear and mitochondrial markers to finally overcome traditional systematic problems.

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Section: Resultsmentioning

confidence: 99%

A mitogenomic phylogeny of the Entomobryoidea (Collembola): A comparative perspective

et al. 2021

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“…nov. belongs to the marias group of species as its dorsal head chaetotaxy is devoid of A1 , S2 and all posterior mac except Pa5 and rarely Pp5 [ 12 , 47 ]. The new species is most similar to other Neotropical taxa from marias group, especially D. antillensis Mari-Mutt, 1979 [ 12 ], D. icelosmarias Soto-Adames and Anderson, 2017 [ 48 ], D. marias Wray, 1953 [ 49 ] and D. paramoensis Mari-Mutt, 1983 [ 47 ] since they also share seven mac on dorsal head S row ( S0 – 1 , S3 – 6 ), labial papilla E lateral process ( l.p. ) short, not reaching the apex of the papilla, labial basomedian field (labial triangle) with M1 chaeta ciliate and m2 and e smooth, Th. II lacking p5 mac and Abd.…”

Section: Resultsmentioning

confidence: 84%

“…medial unpaired tooth, (a.p.) apical unpaired tooth; unguiculus lamellae = (ai) antero-internal lamella, (pe) postero-external lamella; (*) extra chaetae only on labial basomedian field; (**) Soto-Adames and Anderson [ 48 ] only described the background colour, devoid of blue pigments. Distal antennae colour unknown for this species.…”

Section: Figurementioning

confidence: 99%

A Survey of the Brazilian Dicranocentrus Schött (Collembola, Orchesellidae, Heteromurini) with the Description of a New Species and Notes on the Genus

Bellini

Cipola

Siqueira

2020

Insects

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Dicranocentrus Schött is the most diverse and widespread taxon of Neotropical Orchesellidae. In Brazil, the genus is represented by 11 species found in humid forested areas of Atlantic and Amazon forests domains. Here we describe in detail Dicranocentrus abestado sp. nov. from Chapada Diamantina, Caatinga domain, Brazil. The new species belongs to the marias group sensu Mari-Mutt, due to the absence of most posterior macrochaetae on the dorsal head, and resembles other Neotropical species with 3, 2 and 2 central macrochaetae on abdominal segments I–III. However, the new species is unique especially by its reduced colour pattern combined with its empodial complex morphology. We compare Dicranocentrus abestado sp. nov. with 27 other taxa from the New and Old World, including all species with 3 macrochaetae on the first abdominal segment; provide notes and details on the morphology of the compared species plus identification keys to Brazilian and all species of the genus with similar abdominal chaetotaxy. We also discuss the current taxonomical knowledge on Brazilian Dicranocentrus and provide notes on its chaetotaxy and Heteromurinae systematics.

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“…Nearly complete dorsal chaetotaxy is again illustrated and compared with Soto-Adames and Anderson (2017). On dorsal head, a mic between the outer two mac of series M is homologous to m3.…”

Section: Taxonomymentioning

confidence: 97%

“…Dorsal cephalic and tergal macrochaetotaxy, differentiated chaetae on tibiotarsi, tenent hairs, dental spines are the main diagnostic characters widely used by Mari-Mutt and subsequent authors. Soto-Adames and Anderson (2017) attempted to explore the complete idiochaetotaxy (including macrochaetae, microchaetae, partial S-chaetae) for the first time in Dicranocentrus ; homology of some elements were uncertain due to the absence of chaetotaxic modification during postembryonic development. These characteristics are usually unknown in four species from China: D. indicus Bonet, 1930 from Taiwan, D. chenae Ma, Chen & Soto-Adames, 2006 from Guangxi, D. wangi Ma & Chen, 2007 from Guangdong and D. liuae Xu & Zhang, 2014 from Anhui.…”

Section: Introductionmentioning

confidence: 99%

A new species of Dicranocentrus Schött from Hainan (China) with a key to the Chinese species of the genus (Collembola, Entomobryidae)

Ren¹,

Li²,

Zhang³

2018

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A new species, Dicranocentrus hainanicus Ren & Zhang, sp. n., is described from Hainan Province, China. Complete tergal chaetotaxy including microchaetae is illustrated and discussed. It is characterized by having the dental spines arranged in 2–3 rows, two inner teeth on unguis, 5, 2, 2 central macrochaetae on Abd. I–III, two inner S-chaetae on Abd. V displaced anteriorly, and the additional microchaetae associated with the S-chaeta acc.p6 on Th. II–Abd. II. It is most similar to D. chenae Ma, Chen & Soto-Adames but differs from the latter in the number and arrangement of dental spines and the absence of macrochaeta Pa1 on dorsal head. A key to the Chinese species of the genus is provided.

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Two New Species and New Records of Springtails (Collembola: Entomobryidae, Paronellidae) from Nevis, Lesser Antilles

Cited by 6 publications

References 10 publications

A mitogenomic phylogeny of the Entomobryoidea (Collembola): A comparative perspective

A mitogenomic phylogeny of the Entomobryoidea (Collembola): A comparative perspective

A Survey of the Brazilian Dicranocentrus Schött (Collembola, Orchesellidae, Heteromurini) with the Description of a New Species and Notes on the Genus

A new species of Dicranocentrus Schött from Hainan (China) with a key to the Chinese species of the genus (Collembola, Entomobryidae)

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