Municipal authorities in La Puebla del Río, Sevilla, installed a biodiversity tower on May 16, 2026, to attract insect-eating wildlife [2].
This biological intervention aims to curb the spread of the West Nile virus by reducing the population of mosquitoes that transmit the disease. The effort follows a regional alert issued by the Junta de Andalucía as health officials work to prevent further human infections.
The "Torre de la Biodiversidad" is designed to provide a habitat for bats and birds. According to local reports, these animals can consume up to 1 million mosquitoes per day [1]. By leveraging natural predators, the municipality seeks a sustainable alternative to chemical pest control to protect public health.
The initiative comes amid heightened vigilance across the province of Sevilla and broader Andalusia. The Junta de Andalucía previously placed several areas under alert, including La Luisiana in Sevilla, El Tarajal in Málaga, and Tahivilla in Cádiz [3].
Public health concerns have intensified following the confirmation of one human case of the West Nile virus in 2026 [4]. This follows a severe period in 2024, during which the region recorded 11 deaths linked to the virus [4].
The use of biodiversity towers represents a shift toward ecological management in urban planning. By creating corridors for avian and chiropteran species, the city aims to create a permanent biological shield against the seasonal spikes of mosquito activity.
“these animals can consume up to 1 million mosquitoes per day”
The deployment of biodiversity towers suggests a move toward integrated pest management, combining urban infrastructure with ecological preservation. By utilizing natural predators to combat a viral threat, Spanish authorities are attempting to mitigate the public health risks of West Nile virus while avoiding the environmental impact of widespread insecticides.
