ArticleInfection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases2013
Origins of house reinfestation with Triatoma infestans after insecticide spraying in the Argentine Chaco using wing geometric morphometry.
Article in Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed.
- Coexistence of monogamy and polygyny in Triatoma infestans: fine-scale genealogical structure reveals complex social structures within domestic colonies in the Bolivian ChacoMemorias do Instituto Oswaldo Cruz · 2026Article
- The Body of Chagas Disease Vectors.Pathogens (Basel, Switzerland) · 2025Review
- The Pampa del Indio project: District-wide quasi-elimination of Triatoma infestans after a 9-year intervention program in the Argentine Chaco.PLoS neglected tropical diseases · 2023Article
- Phenotypic plasticity, canalisation and developmental stability of Triatoma infestans wings: effects of a sublethal application of a pyrethroid insecticide.Parasites & vectors · 2021Article
- Identification and characterization of microsatellite markers for population genetic studies of Panstrongylus megistus (Burmeister, 1835) (Triatominae: Reduviidae).Parasites & vectors · 2021Article
- Residual foci of Triatoma infestans infestation: Surveillance and control in Rio Grande do Sul, Brazil, 2001-2018.Revista da Sociedade Brasileira de Medicina Tropical · 2021Article
- Drivers of molecular and morphometric variation in Triatoma brasiliensis (Hemiptera: Triatominae): the resolution of geometric morphometrics for populational structuring on a microgeographical scale.Parasites & vectors · 2020Article
- Characterization of melanic and non-melanic forms in domestic and peridomestic populations of Triatoma infestans (Hemiptera: Reduviidae).Parasites & vectors · 2020Article
- Body size and hosts of Triatoma infestans populations affect the size of bloodmeal contents and female fecundity in rural northwestern Argentina.PLoS neglected tropical diseases · 2017Article
- Morphometric Wings Similarity among Sylvatic and Domestic Populations of Triatoma infestansThe American journal of tropical medicine and hygiene · 2017Article
- Distribution of Pyrethroid Resistant Populations of Triatoma infestans in the Southern Cone of South America.PLoS neglected tropical diseases · 2016Article
- Inheritance and heritability of deltamethrin resistance under laboratory conditions of Triatoma infestans from Bolivia.Parasites & vectors · 2015Article
- Where do these bugs come from? Phenotypic structure of Triatoma infestans populations after control interventions in the Argentine Chaco.Memorias do Instituto Oswaldo Cruz · 2015Article
- Vector research addressing country control needs.PLoS neglected tropical diseases · 2015Article
- Residual infestation and recolonization during urban Triatoma infestans Bug Control Campaign, Peru.Emerging infectious diseases · 2014Article
- Article
- Wild populations of Triatoma infestans are highly connected to intra-peridomestic conspecific populations in the Bolivian Andes.PloS one · 2013Article
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Abstract
Identifying the origins of insect vectors collected after community-wide residual insecticide applications is a relevant challenge in the Gran Chaco region where the main vector of Chagas disease Triatoma infestans usually reinfests human dwellings. Wing geometric morphometry was used to compare the right wings of 63 males and 54 females collected at 4 months post-spraying (MPS) with those from 165 males and 111 females collected before full-coverage spraying with pyrethroids in a well-defined rural area in Northeastern Argentina. Male and female wing centroid size resulted significantly larger at 4MPS than before interventions, but no significant changes in shape were detected. Metric disparity (variance of shape) varied significantly in males but not in females. Using shape variables, a relatively large fraction of post-spraying males (70%) and females (54%) could not be differentiated from those collected at the same source house or at the nearest infested house before interventions. Bugs collected at 4 and 8MPS in a persistently infested house were mainly assigned to the source house. These results support the hypothesis of persistent bug populations that survived the insecticide application at local spatial scales, and are consistent with the occurrence of vector control failures most likely related to moderate pyrethroid resistance. Wing geometric morphometry is a useful tool for identifying sources of reinfestation, but it is limited by the spatial structure found in the reference populations. Combined with field and genetic data, this approach may contribute to the understanding of the reinfestation process and improvement of vector control strategies.
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