Population variation of Rhodnius prolixus (Reduviidae: Triatominae) in Attalea butyracea (Arecaceae) in the Colombian Orinoquia region

Abstract

The objective of this study was to determine the population density of Rhodnius prolixus and its developmental stages in natural forests of Attalea butyracea during a hydrological period in flooded savanna ecosystems of the Colombian Orinoquia region. One hundred twenty (120) palms were sampled over a period of one year using live bait traps for Triatomine bugs. Sampling showed that R. prolixus presents a high population density throughout the year, which increases during periods of low rainfall and decreases during the months of greatest precipitation. It was also found that all developmental stages of R. prolixus are presented throughout the year, although there are differences in their representation; showing decreases in density as developmental stages advance. Additionally, infestation, colonization and clustering were observed. The above suggests that the species presents population stability in A. butyracea forests without regard to climatic period, as well as reproductive success; thus individuals have the capacity to disperse and colonize other microhabitats at any time, regardless of climatic condition.

Authors

  • Plutarco Urbano Fundación Universitaria Internacional del Trópico Americano- UNITRÓPICO
  • Eduwin Hincapié Fundación Universitaria Internacional del Trópico Americano- UNITRÓPICO
  • Víctor Manuel Angulo Universidad Industrial de Santander
  • Lyda Esteban Universidad Industrial de Santander
  • Luís Alberto Núñez-Avellaneda Universidad de La Salle

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Keywords

Published
2018-12-31
| 130 |
How to Cite
Urbano, P., Hincapié, E., Angulo, V., Esteban, L., & Núñez-Avellaneda, L. (2018). Population variation of Rhodnius prolixus (Reduviidae: Triatominae) in Attalea butyracea (Arecaceae) in the Colombian Orinoquia region. Revista Colombiana De Entomología, 44(2), 211-216. https://doi.org/10.25100/socolen.v44i2.7315
Section
Medical / Research paper