Residents of a housing block on Rowell Road in Jalan Besar are battling nightly swarms of mosquitoes in recent weeks [1].
The infestation has disrupted the lives of local inhabitants who face an onslaught of insects every evening. While the current species does not transmit dengue, the sheer volume of insects creates a public health nuisance and significant discomfort for the community.
Some residents reported killing up to 80 mosquitoes in a single evening [1]. The insects typically emerge at night, causing persistent itching and irritation for those living in the affected block.
The National Environment Agency (NEA) has responded to the situation by conducting inspections in the area. Officials identified seven mosquito breeding sites on Rowell Road [1]. The agency has since taken remedial action to eliminate these sites and reduce the population of the insects.
Authorities identified the insects as Culex mosquitoes [1]. This specific variety is known to breed in stagnant water and is characterized by its tendency to bite at night [1]. Unlike the Aedes mosquito, the Culex variety does not transmit dengue fever [1].
The surge of these mosquitoes is part of a wider island-wide increase in Culex populations [1]. The NEA continues to monitor the area to ensure that breeding sites are neutralized, and to prevent further outbreaks in the Jalan Besar neighborhood.
“Residents have killed up to 80 mosquitoes in a single evening”
This incident highlights a shift in urban pest challenges in Singapore. While the city-state focuses heavily on Aedes mosquitoes to prevent dengue outbreaks, the rise of Culex mosquitoes demonstrates that non-disease-carrying vectors can still cause significant urban disruption. The NEA's rapid identification of breeding sites underscores the government's reliance on targeted environmental management to maintain public sanitation in high-density housing areas.





