Composition and abundance ofanopheline species according to habitat diversity in Mexico

• Autores: Cuauhtémoc Villarreal Treviño, Jana C. Ríos Delgado, R Patricia Penilla Navarro, Américo David Rodríguez, José Higinio López, José A. Nettel Cruz, David A. Moo Llanes, Gabriel Fuentes Maldonado
• Localización: Salud pública de México, ISSN-e 1606-7916, ISSN 0036-3634, Vol. 62, Nº. Extra 4, 2020 (Ejemplar dedicado a: Evidencia científica para el control de vectores en México), págs. 388-401
• Idioma: inglés
• Títulos paralelos:
  • Composición y abundancia de especies de anofelinossegún la diversidad de hábitats en México
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• Resumen

  • Objective. To determine the abundance and geographic distributionofthemainmalariavectors,whichareinfluencedbyhabitatcharacteristicsandecologicalfactorsthatdirectlyimpactadultdensityandthedynamicsofmalariatransmissionin Mexico. Materials and methods. Samples oflarvae werecollectedfrom19statesinMexico.Eachlarvalhabitatwas characterized in situ determining the following param-eters:waterdepth,turbidity,percentageofvegetationcover,amountofdetritus,presenceofalgae,lightintensity,typeofvegetation,amountofpredators,habitatstability,altitude,andhydrologictype.Results. A total of 21 687 larvae cor-responding to 13 anopheline species were obtained from 149 aquatic habitats. The most abundant species were Anopheles pseudopunctipennis (52.91%), An. albimanus (39.14%) and An. franciscanus(5.29%).Themultiplelogisticregressionanalysisshowed a negative association between An. pseudopunctipennisandwaterturbidity(ß=-1.342;Wald=6.122; p=0.013)andtheamountofdetritus(ß=-2.206;Wald=3.642; p=0.050).Whilein An. albimanus,therewasasignificantpositiveassociationwithwaterturbidity(ß=1.344;Wald=4.256;p=0.039),anegativecorrelationwasfoundwiththealtitude(ß=-3.445;Wald=5.407;p=0.020).Thehighestmosquitospeciesdiver-sityindexwasfoundinChiapas(Fisher’sα=1.20)andthelowestdiversityinChihuahua(Fisher’sα=0.26).Thegreat-estrichnesswasfoundinstreams(n=11).Conclusions.The two most abundant species were: An. albimanus and pseudopunctipennis. Detailed knowledge of the distribution and characteristics of their larval habitats will be useful for the effective implementation of control strategies in Mexico.