Landscape Surrounding Human Settlements and Anopheles albimanus (Diptera: Culicidae) Abundance in Southern Chiapas, Mexico

Americo D. Rodriguez*, Mario H. Rodriguez, Juan E. Hernandez, Sheri W. Dister, Louisa R. Beck, Eliska Rejmankova, Donald R. Roberts

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations


Landscape characteristics that may influence important components of the Anopheles albimanus Wiedemann life cycle, including potential breeding sites, suitable diurnal resting sites, and possible sources of blood meals, were analyzed at 14 villages in a malarious area of southern Mexico. An. albimanus adults were collected weekly in each village using UV-light traps between July 1991 and August 1992. Based on rainfall, the study was divided into 6 seasonal periods. Villages were considered to have high mosquito abundance when >5 mosquitoes per trap per night were collected during any 1 of the 6 seasonal periods. The extension and frequency of 11 land cover types surrounding villages were determined using aerial photographs and subsequently verified through field surveys. Elevation was the main landscape feature that separated villages with low and high mosquito abundance. All villages with high mosquito abundance were below 25 m. Transitional and mangrove land cover types were found only in the high mosquito abundance group. Flooded areas as potential breeding sites and potential adult resting sites in unmanaged pastures were significantly more frequent in areas surrounding villages with high mosquito abundance. No significant differences in density of cattle and horses were found among village groups. Overall, surrounding breeding sites located at low elevations in flooded unmanaged pastures seemed to be the most important determinants of An. albimanus adult abundance in the villages.

Original languageEnglish
Pages (from-to)39-48
Number of pages10
JournalJournal of Medical Entomology
Issue number1
StatePublished - Jan 1996
Externally publishedYes


  • Abundance
  • Anopheles albimanus
  • Disease nidality
  • Landscape


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