Dragonflies are valuable predators that eat mosquitoes, including those that carrying dengue fever virus. Nparks commissioned a survey and they were surprisingly found to thriving in Singapore’s urban landscape. I am surprised too, with all the foggings going on in Singapore which sometimes throw dangerous smokescreen that floats over to expressways from condominiums nearby.
Dragonflies are especially vulnerable when Nparks’ contractors pour insecticides into ponds that are already home to small fishes and dragonflies. Report to Nparks if you see any oily patches on natural ponds on your next trip to Ubin.
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Tags: Dengue fever, dragonfly, insect fogging, insecticide, National Parks Board, natural pond, Nparks
