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Triatomine physiology in the context of trypanosome infection
Journal of Insect Physiology, 2017Triatomines are hematophagous insects that feed on the blood of vertebrates from different taxa, but can occasionally also take fluids from invertebrate hosts, including other insects. During the blood ingestion process, these insects can acquire diverse parasites that can later be transmitted to susceptible vertebrates if they complete their ...
Alessandra Aparecida, Guarneri +1 more
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Anatomy of the Nervous System of Triatomines
2021The nervous system of triatomines follows the general plan for insects in terms of organization. Yet, its anatomy is in line with the form of the different regions of the bug’s body. The brain is located in the posterior region of the elongated head, the cavity of which is mostly occupied by the cibarial pump.
Teresita C. Insausti, Claudio R. Lazzari
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Blood Digestion in Triatomine Insects
2021Triatomine insects had a fundamental role in the establishment of essential concepts of insect physiology, especially thanks to the use of Rhodnius prolixus as a model for basic research in the last century. The major unique feature that made triatomines excellent models is their strictly hematophagous way of life, as molting in nymph stages and ...
Pedro L. Oliveira, Fernando A. Genta
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Triatomines as Vectors of American Trypanosomiasis
Parasitology Research Monographs, 2012Triatomine bugs are the biggest blood-sucking insects, with adults up to 41 mm long. They are well adapted to hematophagy, possessing fine mouthparts to ingest blood from the capillaries of the warm-blooded hosts. Hematophagy is supported by the salivary glands, a “chemical factory” producing hundreds of compounds, some of them acting as local ...
Carsten Balczun +2 more
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Advances, pitfalls, and challenges in triatomine genomics
Trends in ParasitologyChagas' disease remains one of the most neglected vector-borne infections in the Americas, with transmission shaped by the extraordinary ecological and evolutionary diversity of triatomine bugs. Unlike mosquitoes and ticks, whose genomic resources now guide functional studies and control strategies, triatomines have long remained underexplored.
Juan David, Ramírez +5 more
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A ‘vigilance unit’ for households subject to triatomine control
Transactions of the Royal Society of Tropical Medicine and Hygiene, 1982Abstract An inexpensive ‘vigilance unit’ consisting of a cardboard box and attached plastic bag is described. This is utilized to provide two ways of detecting residual triatomine bugs present after an insecticide control programme in Brazil. How well it works will depend on the householders' enthusiasm to participate in the vigilance measures ...
P D, Marsden, R, Penna
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Interactions of Trypanosoma cruzi and Triatomines
2011Triatomine bugs are vectors of Trypanosoma cruzi, the etiologic agent of Chagas disease in Latin America. The flagellate colonizes the intestinal tract of the insect, especially the rectum. T. cruzi changes the composition of amino acids and proteins/peptides in the rectum and affects the intestinal innate immune homeostasis.
Günter A. Schaub +2 more
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Cleptohaematophagy of the Triatomine bug Belminus herreri
Medical and Veterinary Entomology, 2000Summary The Triatomine bug Belminus herreri , previously known only from Panama, is reported for the first time from Colombia. Three adult B. herreri were collected from a chicken coop and a viable egg was found on a
C M, Sandoval +3 more
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Triatomines as Experimental Vectors of Trypanosomes of Asian Monkeys
The American Journal of Tropical Medicine and Hygiene, 1978Systematic surveys of the wild macaques of South Asia by blood culture resulted in the discovery that trypanosomiasis is enzootic in the simians of Indonesia, Malaysia, India, and Thailand. The isolates obtained differ in morphology, metabolism, and ability to multiply in arthropods.
D, Weinman +3 more
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Infection of triatomines with Trypanosoma cruzi
1997The scientist who discovered American trypanosomiasis (Chagas’ disease), Carlos Chagas, not only wisely recognized the disease as a clinical entity, but also identified its causative agent (Trypanosoma cruzi) and its haematophagous (triatomine) insect vector (Chagas, 1909).
Eloi S. Garcia, Patricia de Azambuja
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