Please use this identifier to cite or link to this item: http://repositorio.cualtos.udg.mx:8080/jspui/handle/123456789/326
Title: Biology of three species of North American Triatominae (Hemiptera: Reduviidae: Triatominae) fed on rabbits
Authors: Trujillo Contreras, Francisco
Martínez Ibarra, José Alejandro
Alejandre Aguilar, Ricardo
Paredes González, Edgar
Martínez Silva, Miguel Alejandro
Solorio Cibrián, Miriam
Nogueda Torres, Benjamín
Novelo López, Mónica
Keywords: North America
laboratory conditions
triatominae
biology
Issue Date: Dec-2007
Publisher: Memórias do Instituto Oswaldo Cruz, 102(8)
Citation: Trujillo Contreras, F.; Martínez Ibarra, J.; Alejandre Aguilar, R.; Paredes González, E.; Martínez Silva, M.; Solorio Cibrián, M.; Nogueda Torres, B.; Novelo López, M. (2007). Biology of three species of North American Triatominae (Hemiptera: Reduviidae: Triatominae) fed on rabbits. Mem Inst Oswaldo Cruz, 102(8). Rio de Janeiro. pp. 925-930
Series/Report no.: Memórias do Instituto Oswaldo Cruz;102 (8)
DOI;10.1590/S0074-02762007000800006
Abstract: Aspects related to hatching, lifetime, number of blood meals for molting, mortality, feeding time, and postfeeding defecation delay were evaluated and compared in each instar of three North American Triatominae: Triatoma gerstaeckeri, Triatoma lecticularia and Triatoma protracta, all of them fed on rabbits. No significant differences (p > 0.05) were found among the three species regarding mean hatching rate, which was close to 20 days. Egg-to-adult development times were significantly shorter (p < 0.05) for T. lecticularia. Number of blood meals for molting to next instar ranged from one to five for T. protracta, and from one to six for T. gerstaeckeri and T. lecticularia. Mortality rates were higher in younger nymphs of T. lecticularia and T. protracta, while rates in T. gerstaeckeri were higher in fifth-instar nymphs. Mean feeding time was longest in T. gerstaeckeri, followed by T. lecticularia. More than twice the number of T. gerstaeckeri nymphs completed the development process, if compared to the nymphs from the other two species. Defecation delay was less than 10 min for T. lecticularia, T. protracta and the youngest nymphs of T. gerstaeckeri. Results point out that these three species may be important potential vectors of Trypanosoma cruzi for human populations, in areas of Mexico where these species are currently present.
URI: http://repositorio.cualtos.udg.mx:8080/jspui/handle/123456789/326
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