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Hospesneotomae n. gen. of the Triatomini tribe presents a turnaround in the taxonomy of the Triatoma protracta species complex

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Author(s):
de Paiva, Vinicius Fernandes ; de Oliveira, Jader ; Belintani, Tiago ; Galvao, Cleber ; Gil-Santana, Helcio Reinaldo ; da Rosa, Joao Aristeu
Total Authors: 6
Document type: Journal article
Source: SCIENTIFIC REPORTS; v. 15, n. 1, p. 12-pg., 2025-03-09.
Abstract

The Triatominae are of relevant public health importance because they include hematophagous species which are proven or potential vectors of Chagas disease. Currently, eighteen genera are considered valid in this subfamily. Through a comprehensive and integrative study, the description of a new genus of Triatomine, the nineteenth of the subfamily, is presented. Were generated a robust phylogeny from data deposited in Genbank, created a table comparing two genera with Hospesneotomae, and prepared a dichotomous key for the genus and species. To this end, several systematic pieces of evidence about this group were taken into consideration, such as morphology, genetics, ecotopes and species distribution. The new genus is proposed to include the species previously included in the T. protracta complex, considered now in a new taxonomic assignment. Therefore, Hospesneotomae n. gen. will be composed by the following seven species (in the new combination): H. protracta, H. barberi, H. incrassata, H. peninsularis, H. sinaloensis, H. neotomae and H. nitida, providing an innovative perspective in understanding these organisms, because the seven species grouped here in the proposed new genus are distinct from the others species of Triatoma and at the same time show similarities that indicates that they form a monophyletic group. (AU)

FAPESP's process: 19/02145-2 - Analysis of the genetic structure of interspecific crosses using species of the genus Mepraia (Hemiptera, Reduviidae, Triatominae).
Grantee:Jader de Oliveira
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 23/01548-1 - Entomoepidemiology of Chagas disease in Amazon border regions (Brazil-Bolivia and Brazil-Peru): diversity, molecular tracking of Trypanosoma cruzi and analysis of food sources of vector insects
Grantee:João Aristeu da Rosa
Support Opportunities: Regular Research Grants
FAPESP's process: 23/09822-5 - Entomoepidemiology of Chagas disease in Amazon border regions (Brazil-Bolivia and Brazil-Peru): diversity, molecular tracking of Trypanosoma cruzi and analysis of food sources of vector insects
Grantee:Vinícius Fernandes de Paiva
Support Opportunities: Scholarships in Brazil - Support Program for Fixating Young Doctors
FAPESP's process: 23/15240-9 - Evolution of tarantulas of the tribes Hapalopini and Grammostolini (Mygalomorphae Theraphosidae) and their diversification processes in the Neotropics.
Grantee:Tiago Belintani
Support Opportunities: Scholarships in Brazil - Post-Doctoral