| Autor: |
Navarro-Kraul JI; Laboratorio de Entomología Médica, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey 66450, Nuevo León, Mexico.; Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, Cuernavaca 62100, Morelos, Mexico., Vázquez LAC; Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, Cuernavaca 62100, Morelos, Mexico., Paiz-Moscoso KE; Laboratorio de Entomología Médica, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey 66450, Nuevo León, Mexico.; Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, Cuernavaca 62100, Morelos, Mexico., Danis-Lozano R; Instituto Nacional de Salud Pública, Centro Regional de Investigación en Salud Pública, Cuernavaca 62100, Morelos, Mexico., Dávila-Barboza JA; Laboratorio de Entomología Médica, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey 66450, Nuevo León, Mexico., Lopez-Monroy B; Laboratorio de Entomología Médica, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey 66450, Nuevo León, Mexico., Sánchez-Casas RM; Veterinaria y Zootecnia, Facultad de Medicina, Universidad Autónoma de Nuevo León, General Escobedo 66050, Nuevo León, Mexico., Domínguez-Galera MA; Tecnológico Nacional de México, Campus Chetumal, Chetumal 77013, Quintana Roo, Mexico., Mis-Avila PC; Tecnológico Nacional de México, Campus Chetumal, Chetumal 77013, Quintana Roo, Mexico., Fernandez-Salas I; Laboratorio de Entomología Médica, Facultad de Ciencias Biológicas, Universidad Autónoma de Nuevo León, Monterrey 66450, Nuevo León, Mexico. |
| Abstrakt: |
Although integrated management and control programs implement intense control measures for adult, pupal, larval, and breeding sites during outbreaks, there is a lack of studies to understand the role of the vector egg stage in disease dynamics. This study aimed to assess the dry season quiescent Aedes aegypti and Aedes albopictus egg populations in houses and backyards in Tapachula, southern Mexico. Two hundred and fifty ovitraps were placed in 125 homes in the Las Americas neighborhood. A total of 7290 eggs were collected from 211 (84.4%) ovitraps. Only 5667 (77.7%) hatched under insectary water immersion and food supply conditions, with 4031 (71.1%) identified as Ae. aegypti , and 1636 (28.8%) as Ae . albopictus , respectively. The remaining 1623 (22.3%) did not hatch due to Delayed Hatching and/or quiescence tropical stage. Eighty-three larval containers were sampled with desiccated eggs during the dry season; most of them were described as trash waste because larvicides are only used for larger containers of 5-10 L. Evolutionary characteristics for the two species including partial egg hatching, ambient-regulated quiescence, the ability of the embryo to survive for a more extended period intra-seasonally, the egg sticking to inner container walls, demands urgent operational research to achieve successful egg-proof larval container methods. |
