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Volume 18
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10.3390/d18020089
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Article

Phylogenomic Insights of Mesentotoma Salmon, 1942 (Collembola: Entomobryidae: Entomobryinae): First Mitogenome and Phylogenetic Hypothesis, Taxonomic Notes, and Description of Two New Brazilian Species †

by
Stéphanie dos Santos Viana
1,*,
Nerivania Nunes Godeiro
2,
José Wellington de Morais
1 and
Nikolas Gioia Cipola
3,*
1
National Institute of Amazonian Research-INPA-CPEN, Manaus 69067-375, Brazil
2
Natural History Research Center, Shanghai Natural History Museum, Shanghai Science & Technology Museum, Shanghai 200041, China
3
Department of Botany and Zoology, Biosciences Center, Federal University of Rio Grande do Norte-UFRN, Natal 59078-900, Brazil
*
Authors to whom correspondence should be addressed.
†
urn:lsid:zoobank.org:pub:14A5CC71-7CB6-4A1E-91C1-9450D8E14914.
Diversity 2026, 18(2), 89; https://doi.org/10.3390/d18020089 (registering DOI)
Submission received: 31 December 2025 / Revised: 23 January 2026 / Accepted: 23 January 2026 / Published: 31 January 2026
(This article belongs to the Special Issue Integrative Systematics and Evolution of Collembola)
Versions Notes

Abstract

We used whole-genome sequencing to assemble the first complete mitogenome from a Mesentotoma Salmon, 1942 species. Mesentotoma was included in phylogenetic analyses along with 21 mitogenomes of other Entomobryinae. Maximum likelihood and Bayesian inferences yielded similar results; both analyses indicated that Mesentotoma is related to Willowsia jacobsoni and Entomobrya proxima. However, other genera of Entomobryinae, also lacking a mucronal spine (Desertia Tshelnokov, 1979 Calx Christiansen, 1958 and Isotobrya Womersley, 1934) need to be included in further analysis to verify their relationships, as well as other species of Mesentotoma. Furthermore, five species previously assigned to Entomobrya were transferred to Mesentotoma due to the absence of a mucronal spine. E. coeruleopicta Marlier, 1945 is a junior homonym of E. coeruleopicta Schött, 1917 and a replacement name is proposed: M. tranvercyana nom. nov., comb. nov. In addition, two new species of Mesentotoma from a Brazilian island are described and characterized by reduced macrochaetotaxy. This represents the first record of Mesentotoma in the Neotropical region, increasing its total number of valid species from eight to fifteen. We provided an identification key for the seven Mesentotoma species recorded in the Tropical zone.
Keywords: Brazilian springtails; Entomobryoidea; Entomobryini; Fernando de Noronha; systematic; taxonomy Brazilian springtails; Entomobryoidea; Entomobryini; Fernando de Noronha; systematic; taxonomy

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MDPI and ACS Style

Viana, S.d.S.; Godeiro, N.N.; de Morais, J.W.; Cipola, N.G. Phylogenomic Insights of Mesentotoma Salmon, 1942 (Collembola: Entomobryidae: Entomobryinae): First Mitogenome and Phylogenetic Hypothesis, Taxonomic Notes, and Description of Two New Brazilian Species. Diversity 2026, 18, 89. https://doi.org/10.3390/d18020089

AMA Style

Viana SdS, Godeiro NN, de Morais JW, Cipola NG. Phylogenomic Insights of Mesentotoma Salmon, 1942 (Collembola: Entomobryidae: Entomobryinae): First Mitogenome and Phylogenetic Hypothesis, Taxonomic Notes, and Description of Two New Brazilian Species. Diversity. 2026; 18(2):89. https://doi.org/10.3390/d18020089

Chicago/Turabian Style

Viana, Stéphanie dos Santos, Nerivania Nunes Godeiro, José Wellington de Morais, and Nikolas Gioia Cipola. 2026. "Phylogenomic Insights of Mesentotoma Salmon, 1942 (Collembola: Entomobryidae: Entomobryinae): First Mitogenome and Phylogenetic Hypothesis, Taxonomic Notes, and Description of Two New Brazilian Species" Diversity 18, no. 2: 89. https://doi.org/10.3390/d18020089

APA Style

Viana, S. d. S., Godeiro, N. N., de Morais, J. W., & Cipola, N. G. (2026). Phylogenomic Insights of Mesentotoma Salmon, 1942 (Collembola: Entomobryidae: Entomobryinae): First Mitogenome and Phylogenetic Hypothesis, Taxonomic Notes, and Description of Two New Brazilian Species. Diversity, 18(2), 89. https://doi.org/10.3390/d18020089

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