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      Panstrongylus rufotuberculatus (Champion, 1899) (Hemiptera, Reduviidae, Triatominae) in Rondônia, Brazil: A novel report

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      Author(s): 1 , 2 , 1
      Publication date (Electronic, pub):
      Publication date (Electronic, collection):
      Journal: Revista da Sociedade Brasileira de Medicina Tropical
      Publisher: Sociedade Brasileira de Medicina Tropical - SBMT
      Keywords: Chagas disease, New records, Vectors, Surveillance programs

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          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          INTRODUCTION:

          This short communication presents a novel report on the occurrence of Panstrongylus rufotuberculatus in the Brazilian state of Rondônia.

          METHODS:

          Two specimens were collected inside dwellings and identified using dichotomous keys.

          RESULTS:

          The present study showed the extensive geographic distribution of P. rufotuberculatus and the increased number of species in the state of Rondônia.

          CONCLUSIONS:

          This new record of P. rufotuberculatus is important for understanding the epidemiology of Chagas disease because this species is found naturally infected with Trypanosoma cruzi. Studies on the ecology, biology, and vector-host-parasite interactions of this species are essential for surveillance programs.

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          An overview on the ecology of Triatominae (Hemiptera:Reduviidae).

          Silvia Justi, Cleber Galvão (2015)
          Chagas disease, the American trypanosomiasis, is an important neglected tropical illness caused by the flagellate protozoan Trypanosoma cruzi (Kinetoplastida, Trypanosomatidae) and transmitted by insects of the subfamily Triatominae (Hemiptera: Reduviidae). Here we provide an overview on the current knowledge about Triatominae ecology, its association with human, T. cruzi infection and the immediate consequences of habitat fragmentation. We also discuss the geographic distribution of the species and the importance of predicting their distributions to control programs.
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            Rhodnius micki , a new species of Triatominae ( Hemiptera , Reduviidae ) from Bolivia

            Yisheng Zhao, Cleber Galvão, Wanzhi Cai (2021)
            Abstract Rhodnius Stål, 1859 is the second largest genus of Triatominae after Triatoma Laporte, 1832, and includes several important Chagas vectors. Genitalia in Reduviidae are frequently used for species identification, but the current use of terminology for it is inconsistent in Triatominae . Here, Rhodnius micki sp. nov., is described from Bolivia and considered as belonging to the pictipes group based on its morphological characters and distribution. Detailed documentation of the genitalia of Rhodnius micki sp. nov. is provided with emphasis on its everted phallus, especially the endosomal sclerites, which are potentially useful as species-level diagnostic features in Rhodnius . To further verify the validity of this species, the head shapes and wing venation patterns of five species in Rhodnius are compared with morphometric analysis. After reviewing taxonomic and comparative morphology papers of assassin bugs, a vocabulary with a terminology of morphological characters, especially of external male genitalic characters, is assembled with the preferred terms and the synonyms listed. Establishing a consistent terminological framework will greatly facilitate future research on the homology of these structures across Triatominae and will ultimately contribute to our understanding of the evolution of these groups.
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              Triatoma rosai sp. nov. (Hemiptera, Triatominae): A New Species of Argentinian Chagas Disease Vector Described Based on Integrative Taxonomy

              Kaio Cesar Chaboli Alevi, Jader de Oliveira, Ariane Cristina Caris Garcia … (2020)
              Simple Summary Although all triatomines are potential vectors of Chagas' disease, there are species with greater or lesser vectorial importance. Therefore, the correct identification of triatomines species is essential for the vector control programs. In general, triatomines are identified by external morphological characters. However, some species are very similar or even morphologically identical, being important the use of complementary analyses for the correct identification of species. For this reason, this study focused on the use of morphological, morphometric, molecular data, and experimental crosses to describe Triatoma rosai sp. nov., a new species of Argentinian Chagas disease vector. Significant morphological and morphometric differences, associated with phylogenetic support and high mortality rate of the hybrids made it possible to confirm the specific status of T. rosai sp. nov., emphasizing the importance of integrative analyses for the taxonomy of triatomines. Abstract Chagas disease is the most prevalent neglected tropical disease in the Americas and makes an important contribution to morbidity and mortality rates in countries where it is endemic since 30 to 40% of patients develop cardiac diseases, gastrointestinal disorders, or both. In this paper, a new species of the genus Triatoma is described based on specimens collected in the Department San Miguel, Province of Corrientes, Argentina. Triatoma rosai sp. nov. is closely related to T. sordida (Stål, 1859), and was characterized based on integrative taxonomy using morphological, morphometric, molecular data, and experimental crosses. These analyses, combined with data from the literature (cytogenetics, electrophoresis pattern, molecular analyses, cuticular hydrocarbons pattern, geometric morphometry, cycle, and average time of life as well as geographic distribution) confirm the specific status of T. rosai sp. nov. Natural Trypanosoma cruzi infection, coupled with its presence mostly in peridomestic habitats, indicates that this species can be considered as an important Chagas disease vector from Argentina.
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                Author and article information

                Journal
                Journal ID (nlm-ta): Rev Soc Bras Med Trop
                Journal ID (iso-abbrev): Rev Soc Bras Med Trop
                Journal ID (publisher-id): rsbmt
                Title: Revista da Sociedade Brasileira de Medicina Tropical
                Publisher: Sociedade Brasileira de Medicina Tropical - SBMT
                ISSN (Print): 0037-8682
                ISSN (Electronic): 1678-9849
                Publication date (Electronic, pub): 20 August 2021
                Publication date (Electronic, collection): 2021
                Volume: 54
                Electronic Location Identifier: e0141-2021
                Affiliations
                [1 ] Fundação Oswaldo Cruz, Instituto Oswaldo Cruz, Laboratório Nacional e Internacional de Referência em Taxonomia de Triatomíneos, Rio de Janeiro, RJ, Brasil.
                [2 ] Laboratório Central de Saúde Pública, LACEN, Porto Velho, RO, Brasil.
                Author notes
                Corresponding author: Dr. Cleber Galvão. e-mail: clebergalvao@ 123456gmail.com

                Authors’ contribution: AL: conducted the fieldwork and microscopic analysis of infection with Trypanosoma cruzi; DSR: written the original draft; CG: studied the specimens and reviewed whole text. All authors have read and agreed to the published version of the manuscript.

                Conflict of interest: The authors declare that there is no conflict of interest.

                Author information
                http://orcid.org/0000-0001-5633-9001
                http://orcid.org/0000-0001-9105-6322
                http://orcid.org/0000-0003-4027-9205
                Article
                Other ID: 00652
                DOI: 10.1590/0037-8682-0141-2021
                PMC ID: 8405211
                PubMed ID: 34431942
                SO-VID: e69e2c7a-d699-4645-bbcd-ffc26023013b
                License:

                This is an open-access article distributed under the terms of the Creative Commons Attribution License

                History
                Date received : 09 March 2021
                Date accepted : 15 June 2021
                Page count
                Figures: 3, Tables: 0, Equations: 0, References: 15
                Categories
                Subject: Short Communication

                Keywords: chagas disease,new records,vectors,surveillance programs
                Data availability:
                Keywords: chagas disease, new records, vectors, surveillance programs

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