How did light traps reduce cicadas entering Tampines flats?

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Light Traps Captured Over 22,000 Cicadas, Reducing Infestation in Tampines Flats

A large-scale trial utilising light traps in Tampines Changkat since March has successfully captured more than 22,000 cicadas, significantly reducing their presence in Housing Board blocks and subsequently decreasing the number of insects entering residential flats. The initiative, a coordinated effort involving the People's Association, Tampines Town Council, and the National Parks Board, deployed these devices across 18 HDB blocks. The light traps were specifically designed to attract newly moulted cicadas, effectively luring them away from homes and into the capture devices.
Effectiveness of Light Trap Deployment

The light traps were strategically placed throughout 18 Housing Board blocks in Tampines Changkat as part of a comprehensive strategy to manage the seasonal emergence of the orange-winged cicada. This species has been a recurring nuisance for residents since 2018. By attracting the cicadas, particularly those that had recently moulted, the traps served as a direct deterrent, preventing them from reaching residential units.
Noted Reduction in Insect Entry and Noise

Following the implementation of the light trap initiative, residents in Tampines Changkat have reported a noticeable improvement in their living environment. Key observations include a significant reduction in the overall noise generated by the cicadas and a marked decrease in the number of insects finding their way into their flats. These outcomes indicate the practical success of the traps in mitigating the nuisance caused by the cicada population.
Broader Cicada Management Strategies

Beyond the light traps, the task force studying the cicada issue also trialled other methods to curb their numbers. These included wrapping over 500 trees with aluminium foil or plastic to impede nymphs from climbing and moulting, and placing tarpaulin or mats at the base of trees to capture emerging insects. Preliminary findings suggest that cicada activity might be concentrated in areas with specific tree species, ages, landscape features, and micro-habitat conditions, guiding future interventions.

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How did light traps reduce cicadas entering Tampines flats?

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