Landscape and habitats of mosquito larval collection sites. (A) Urban area, representative urban area in cemeteries of Mexico City characterized by high human population density, public transportation and communication containing a small amount of green areas. (B) Suburban, this area is constituted for a balance between buildings and green areas with sufficient public transportation and communication but where the people are not dedicated to agricultural activities. (C) Rural, this representative area is characterized by low density human population, with little public transportation and communication and extensive green and agricultural areas. (D-I) Display all varieties of natural and man-made containers representative of the mosquito larval habitats in the collection sites at the cemeteries.