Differences on biological attributes of three populations of Meccus pallidipennis Stål (Hemiptera: Reduviidae)

José A. Martínez-Ibarra, Benjamín Nogueda-Torres, Paz M. Salazar-Schettino, Mauro O. Vences-Blanco, Felipe J. de la Torre-Álvarez, Oziel D. Montañez-Valdez

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7 Citations (Scopus)

Abstract

Background & objectives: Meccus pallidipennis is one of the most epidemiologically important vectors of Trypanosoma cruzi to reservoir hosts in nine states of Mexico. Triatomines occurring in distinct locations normally adapt to local conditions. The aim of this study was to examine the biological attributes of three populations of M. pallidipennis from areas with different environmental characteristics as a factor influencing the triatomine capacity for T. cruzi transmission. Methods: The values of biological parameters related to the life cycle, the number of blood meals to molt to next instar, fecundity and percentage of females after a biological cycle of three populations of M. pallidipennis were evaluated. A cohort of each of the three studied populations from different geographical areas of Mexico was maintained under similar laboratory conditions and then compared with each other. Results: The life cycle was less than six months in all the studied cohorts, with differences among them. The number of blood meals to molt was lower for the cohort from Izúcar de Matamoros. Laid eggs per day per female was lower for the cohort from Luvianos. In contrast, no important differences were recorded on the percentage of mortality, egg eclosion rate or percentages of obtained females. Interpretation & conclusion: It was found that an important level of heterogeneity exist between the three studied populations of M. pallidipennis, apparently influenced by the remarkable differences on environmental conditions on the localities where the founders were initially collected, that emphasizes the necessity of studies on local populations of triatomines.
Original languageAmerican English
Pages (from-to)22-26
Number of pages19
JournalJournal of Vector Borne Diseases
StatePublished - 1 Jan 2014

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Reduviidae
Hemiptera
Life cycle
Blood
Population
Trypanosoma cruzi
eggs
Mexico
Life Cycle Stages
cycles
blood
Meals
mortality
Eggs
Ovum
Fertility
Mortality

Cite this

Martínez-Ibarra, J. A., Nogueda-Torres, B., Salazar-Schettino, P. M., Vences-Blanco, M. O., de la Torre-Álvarez, F. J., & Montañez-Valdez, O. D. (2014). Differences on biological attributes of three populations of Meccus pallidipennis Stål (Hemiptera: Reduviidae). Journal of Vector Borne Diseases, 22-26.
Martínez-Ibarra, José A. ; Nogueda-Torres, Benjamín ; Salazar-Schettino, Paz M. ; Vences-Blanco, Mauro O. ; de la Torre-Álvarez, Felipe J. ; Montañez-Valdez, Oziel D. / Differences on biological attributes of three populations of Meccus pallidipennis Stål (Hemiptera: Reduviidae). In: Journal of Vector Borne Diseases. 2014 ; pp. 22-26.
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abstract = "Background & objectives: Meccus pallidipennis is one of the most epidemiologically important vectors of Trypanosoma cruzi to reservoir hosts in nine states of Mexico. Triatomines occurring in distinct locations normally adapt to local conditions. The aim of this study was to examine the biological attributes of three populations of M. pallidipennis from areas with different environmental characteristics as a factor influencing the triatomine capacity for T. cruzi transmission. Methods: The values of biological parameters related to the life cycle, the number of blood meals to molt to next instar, fecundity and percentage of females after a biological cycle of three populations of M. pallidipennis were evaluated. A cohort of each of the three studied populations from different geographical areas of Mexico was maintained under similar laboratory conditions and then compared with each other. Results: The life cycle was less than six months in all the studied cohorts, with differences among them. The number of blood meals to molt was lower for the cohort from Iz{\'u}car de Matamoros. Laid eggs per day per female was lower for the cohort from Luvianos. In contrast, no important differences were recorded on the percentage of mortality, egg eclosion rate or percentages of obtained females. Interpretation & conclusion: It was found that an important level of heterogeneity exist between the three studied populations of M. pallidipennis, apparently influenced by the remarkable differences on environmental conditions on the localities where the founders were initially collected, that emphasizes the necessity of studies on local populations of triatomines.",
author = "Mart{\'i}nez-Ibarra, {Jos{\'e} A.} and Benjam{\'i}n Nogueda-Torres and Salazar-Schettino, {Paz M.} and Vences-Blanco, {Mauro O.} and {de la Torre-{\'A}lvarez}, {Felipe J.} and Monta{\~n}ez-Valdez, {Oziel D.}",
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Martínez-Ibarra, JA, Nogueda-Torres, B, Salazar-Schettino, PM, Vences-Blanco, MO, de la Torre-Álvarez, FJ & Montañez-Valdez, OD 2014, 'Differences on biological attributes of three populations of Meccus pallidipennis Stål (Hemiptera: Reduviidae)', Journal of Vector Borne Diseases, pp. 22-26.

Differences on biological attributes of three populations of Meccus pallidipennis Stål (Hemiptera: Reduviidae). / Martínez-Ibarra, José A.; Nogueda-Torres, Benjamín; Salazar-Schettino, Paz M.; Vences-Blanco, Mauro O.; de la Torre-Álvarez, Felipe J.; Montañez-Valdez, Oziel D.

In: Journal of Vector Borne Diseases, 01.01.2014, p. 22-26.

Research output: Contribution to journalArticleResearchpeer-review

TY - JOUR

T1 - Differences on biological attributes of three populations of Meccus pallidipennis Stål (Hemiptera: Reduviidae)

AU - Martínez-Ibarra, José A.

AU - Nogueda-Torres, Benjamín

AU - Salazar-Schettino, Paz M.

AU - Vences-Blanco, Mauro O.

AU - de la Torre-Álvarez, Felipe J.

AU - Montañez-Valdez, Oziel D.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - Background & objectives: Meccus pallidipennis is one of the most epidemiologically important vectors of Trypanosoma cruzi to reservoir hosts in nine states of Mexico. Triatomines occurring in distinct locations normally adapt to local conditions. The aim of this study was to examine the biological attributes of three populations of M. pallidipennis from areas with different environmental characteristics as a factor influencing the triatomine capacity for T. cruzi transmission. Methods: The values of biological parameters related to the life cycle, the number of blood meals to molt to next instar, fecundity and percentage of females after a biological cycle of three populations of M. pallidipennis were evaluated. A cohort of each of the three studied populations from different geographical areas of Mexico was maintained under similar laboratory conditions and then compared with each other. Results: The life cycle was less than six months in all the studied cohorts, with differences among them. The number of blood meals to molt was lower for the cohort from Izúcar de Matamoros. Laid eggs per day per female was lower for the cohort from Luvianos. In contrast, no important differences were recorded on the percentage of mortality, egg eclosion rate or percentages of obtained females. Interpretation & conclusion: It was found that an important level of heterogeneity exist between the three studied populations of M. pallidipennis, apparently influenced by the remarkable differences on environmental conditions on the localities where the founders were initially collected, that emphasizes the necessity of studies on local populations of triatomines.

AB - Background & objectives: Meccus pallidipennis is one of the most epidemiologically important vectors of Trypanosoma cruzi to reservoir hosts in nine states of Mexico. Triatomines occurring in distinct locations normally adapt to local conditions. The aim of this study was to examine the biological attributes of three populations of M. pallidipennis from areas with different environmental characteristics as a factor influencing the triatomine capacity for T. cruzi transmission. Methods: The values of biological parameters related to the life cycle, the number of blood meals to molt to next instar, fecundity and percentage of females after a biological cycle of three populations of M. pallidipennis were evaluated. A cohort of each of the three studied populations from different geographical areas of Mexico was maintained under similar laboratory conditions and then compared with each other. Results: The life cycle was less than six months in all the studied cohorts, with differences among them. The number of blood meals to molt was lower for the cohort from Izúcar de Matamoros. Laid eggs per day per female was lower for the cohort from Luvianos. In contrast, no important differences were recorded on the percentage of mortality, egg eclosion rate or percentages of obtained females. Interpretation & conclusion: It was found that an important level of heterogeneity exist between the three studied populations of M. pallidipennis, apparently influenced by the remarkable differences on environmental conditions on the localities where the founders were initially collected, that emphasizes the necessity of studies on local populations of triatomines.

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Martínez-Ibarra JA, Nogueda-Torres B, Salazar-Schettino PM, Vences-Blanco MO, de la Torre-Álvarez FJ, Montañez-Valdez OD. Differences on biological attributes of three populations of Meccus pallidipennis Stål (Hemiptera: Reduviidae). Journal of Vector Borne Diseases. 2014 Jan 1;22-26.