scholarly journals Analysis of Chagas disease vectors occurrence data: the Argentinean triatomine species database

2020 ◽  
Vol 8 ◽  
Author(s):  
Soledad Ceccarelli ◽  
Agustín Balsalobre ◽  
Maria Cano ◽  
Delmi Canale ◽  
Patricia Lobbia ◽  
...  
Keyword(s):  
Chagas Disease ◽  
Disease Vectors ◽  
Ecological Analysis ◽  
Policy Makers ◽  
Occurrence Data ◽  
Triatomine Species ◽  
Chagas Disease Vectors ◽  
Comprehensive Picture ◽  
And Control ◽  
Panstrongylus Geniculatus

Chagas disease is a neglected tropical disease and Trypanosoma cruzi (its etiological agent) is mainly transmitted by triatomines (Hemiptera: Reduviidae). All triatomine species are considered as potential vectors; thus, their geographic distribution and habitat information should be a fundamental guide for the surveillance and control of Chagas disease. Currently, of the 137 species distributed in the Americas (Justi and Galvão 2017), 17 species are cited for Argentina: Panstrongylus geniculatus, P. guentheri, P. megistus, P. rufotuberculatus, Psammolestes coreodes, Triatoma breyeri, T. delpontei, T. eratyrusiformis, T. garciabesi, T. guasayana, T. infestans, T. limai, T. patagonica, T. platensis, T. rubrofasciata, T. rubrovaria and T. sordida. Almost 20 years have passed since the publication of the “Atlas of the Triatominae” by Carcavallo et al. (1998) and no work has been done to provide an updated complete integration and analysis of the existing information for Argentinean triatomine species. Here we provide a detailed temporal, spatial and ecological analysis of updated occurrence data for triatomines present in Argentina. This is the first database of the 17 triatomine species present in Argentina (15917 records), with a critical analysis of the temporal, spatial and ecological characteristics of 9788 records. The information spans the last 100 years (1918–2019) and it was mostly obtained from the DataTri database and from the Argentinean Vector Reference Center. As 70% of the occurrences corresponded to the last 20 years, the information was split into two broad periods (pre-2000 and post-2000). Occurrence data for most species show distribution range contractions, which, from the pre-2000 to post-2000 period, became restricted mainly to the dry and humid Chaco ecoregions. Concurrently, the highest species richness foci occurred within those ecoregions. The species T. infestans, T. sordida, T. garciabesi and T. guasayana mostly colonise human dwelling habitats. This study provides the most comprehensive picture available for Argentinean triatomine species and we hope that any knowledge gaps will encourage others to keep this information updated to assist health policy-makers to make decisions based on the best evidence.

scholarly journals First Report ofAprostocetus asthenogmus(Hymenoptera: Eulophidae) in South America and Parasitizing Eggs of Triatominae Vectors of Chagas Disease

2014 ◽  
Vol 2014 ◽  
pp. 1-4 ◽  
Author(s):  
Claudiney Biral dos Santos ◽  
Marcelo Teixeira Tavares ◽  
Gustavo Rocha Leite ◽  
Adelson Luiz Ferreira ◽  
Leonardo de Souza Rocha ◽  
...  
Keyword(s):  
South America ◽  
Chagas Disease ◽  
Biological Control Agent ◽  
Control Agent ◽  
Triatoma Infestans ◽  
Disease Vectors ◽  
Parasitoid Species ◽  
Triatomine Species ◽  
Chagas Disease Vectors ◽  
First Time

We report for the first time the parasitism of eggs of two triatomine Chagas disease vectors,Triatoma infestansandT. vitticeps, by the microhymenopterous parasitoidAprostocetus asthenogmus. We also describe the first identification of this parasitoid in South America.A. asthenogmuswere captured near unparasitized triatomine colonies in the municipality of Vitória, state of Espírito Santo, Brazil, and placed into pots with recently laid triatomine eggs. After 24 days, we observed wasps emerging fromT. infestansandT. vitticepseggs. Several characteristics of this parasitoid species suggest that it could be a potential biological control agent of triatomine species.

scholarly journals Trends in Taxonomy of Chagas Disease Vectors (Hemiptera, Reduviidae, Triatominae): From Linnaean to Integrative Taxonomy

Pathogens ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 1627
Author(s):  
Kaio Cesar Chaboli Alevi ◽  
Jader de Oliveira ◽  
Dayse da Silva Rocha ◽  
Cleber Galvão
Keyword(s):  
Chagas Disease ◽  
State Of The Art ◽  
Integrative Taxonomy ◽  
Disease Vectors ◽  
Neglected Tropical Disease ◽  
Cryptic Speciation ◽  
Triatomine Species ◽  
Chagas Disease Vectors ◽  
First Time ◽  
Five Tribes

Chagas disease is a neglected tropical disease caused by the protozoan Trypanosoma cruzi and transmitted mainly by members of the subfamily Triatominae. There are currently 157 species, grouped into 18 genera and five tribes. Most descriptions of triatomine species are based on classical taxonomy. Facing evolutionary (cryptic speciation and phenotypic plasticity) and taxonomic (more than 190 synonymizations) problems, it is evident that integrative taxonomy studies are an important and necessary trend for this group of vectors. Almost two-and-a-half centuries after the description of the first species, we present for the first time the state-of-the-art taxonomy of the whole subfamily, covering from the initial classic studies to the use of integrative taxonomy.

Community-based surveillance and control of chagas disease vectors in remote rural areas of the Argentine Chaco: A five-year follow-up

Acta Tropica ◽  
2019 ◽  
Vol 191 ◽  
pp. 108-115 ◽  
Author(s):  
María C. Cecere ◽  
Lucía I. Rodríguez-Planes ◽  
Gonzalo M. Vazquez-Prokopec ◽  
Uriel Kitron ◽  
Ricardo E. Gürtler
Keyword(s):  
Chagas Disease ◽  
Rural Areas ◽  
Disease Vectors ◽  
Community Based ◽  
Chagas Disease Vectors ◽  
And Control

scholarly journals Potential Distribution of Chagas Disease Vectors (Hemiptera, Reduviidae, Triatominae) in Colombia, Based on Ecological Niche Modeling

2016 ◽  
Vol 2016 ◽  
pp. 1-10 ◽  
Author(s):  
Gabriel Parra-Henao ◽  
Laura C. Suárez-Escudero ◽  
Sebastián González-Caro
Keyword(s):  
Chagas Disease ◽  
Sierra Nevada ◽  
Geographic Distribution ◽  
Ecological Niche ◽  
Ecological Niche Modeling ◽  
Climatic Factors ◽  
Niche Modeling ◽  
Triatomine Species ◽  
Local Risk ◽  
And Control

Ecological niche modeling of Triatominae bugs allow us to establish the local risk of transmission of the parasiteTrypanosoma cruzi,which causes Chagas disease.This information could help to guide health authority recommendations on infection monitoring, prevention, and control. In this study, we estimated the geographic distribution of triatomine species in Colombia and identified the relationship between landscape structure and climatic factors influencing their occurrence. A total of 2451 records of 4 triatomine species (Panstrongylus geniculatus,Rhodnius pallescens,R. prolixus, andTriatoma maculata) were analyzed.The variables that provided more information to explain the ecologic niche of these vectors were related to precipitation, altitude, and temperature. We found that the species with the broadest potential geographic distribution wereP. geniculatus,R. pallescens, andR. prolixus. In general, the models predicted the highest occurrence probability of these vectors in the eastern slope of the Eastern Cordillera, the southern region of the Magdalena valley, and the Sierra Nevada of Santa Marta.

scholarly journals Surveillance of Chagas disease vectors in municipalities of the state of Ceará, Brazil

2009 ◽  
Vol 104 (8) ◽  
pp. 1159-1164 ◽  
Author(s):  
Teresa Cristina Monte Gonçalves ◽  
Assilon Lindoval Carneiro Freitas ◽  
Simone Patrícia Carneiro Freitas
Keyword(s):  
Chagas Disease ◽  
The State ◽  
Disease Vectors ◽  
Chagas Disease Vectors
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