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Competitive displacement in Triatominae: the Triatoma infestans success

Pereira, M. H., Gontijo, N. F., Guarneri, A. A., Sant'Anna, Mauricio R.V. and Diotaiuti, L. (2006) 'Competitive displacement in Triatominae: the Triatoma infestans success'. Trends in Parasitology, Vol 22, Issue 11, pp. 516-520.

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Abstract

Brazil has just been certificated by Pan American Health Organization as 'free of Chagas disease transmission due to Triatoma infestans'. During the early 1980s, this species of blood-sucking bug alone was considered responsible for approximately 80% of Chagas disease transmission. But it was not always so. The species originally abundant in houses of central and eastern Brazil was Panstronglylus megistus, which seems to have been progressively displaced from houses by T. infestans during the past century. Indeed, T. infestans seems able to displace other Triatominae in artificial environments. Recent studies suggest that it might simply be because T. infestans feeds more efficiently than its Triatominae competitors.

Item Type: Article
Uncontrolled Keywords: rhodnius-prolixus panstrongylus-megistus domestic populations density regulation nutritional-status feeding-behavior pharyngeal pump chagas-disease reduviidae saliva
Subjects: QX Parasitology > Insects. Other Parasites > QX 503 Hemiptera (e.g., Bedbugs)
WC Communicable Diseases > Tropical and Parasitic Diseases > WC 705 Trypanosomiasis
Faculty: Department: Groups (2002 - 2012) > Vector Group
Digital Object Identifer (DOI): https://doi.org/10.1016/j.pt.2006.08.012
Depositing User: Ms Julia Martin
Date Deposited: 28 Jan 2011 14:38
Last Modified: 06 Feb 2018 13:02
URI: http://archive.lstmed.ac.uk/id/eprint/1577

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