Soneva Fushi in partnership with Biogents, a company at the forefront of international mosquito control research, has successfully achieved an island-wide, insecticide-free mosquito management solution.

Maldivian islands are often prone to large populations of mosquitoes, particularly during the monsoon season, which rises mosquito-borne illnesses in the country. While many resorts use chemical fogging to manage the mosquito population, Soneva recently revealed that for more than a year they have been working with Biogents to introduce a sustainable, insecticide-free mosquito management system.

Dr. Andreas Rose, Co-Founder and Management Board Member at Biogents, said, “Improving the efficacy of mosquito traps has always been the core expertise of Biogents. So, we had the right tools to offer, but the approach also needs a solid understanding of mosquito ecology, Soneva really understands this, and thanks to the vision and expertise of all the involved partners, the project is indeed setting new standards”

The partnership between Soneva and Biogents aims to bring the mosquito population on the island of Kunfunadhoo, Soneva Fushi, down to zero, to show the international community that it is possible to use sustainable insecticide-free alternatives in mosquito control and to be the first mosquito-free island in the Maldives.

In July 2019, a month into the operation, a sharp decline in the number of mosquitoes trapped on the island was already observed, and now the mosquito population has been reduced by around 95-98%. Soneva’s target is to eliminate all mosquitoes on Kunfunadhoo island by the end of 2020.

Sonu Shivdasani, Soneva’s CEO and Co-Founder said, “At Soneva, we have always used nature as an inspiration for our innovation. In fact, our organizational structure is inspired by the relationship of the planets to each other. In the middle of last year at Soneva Fushi, we set a target to become the first island to be completely mosquito-free. We installed more than 500 Biogents traps throughout the island. While some mimic mosquito breeding sites, others hold a sachet that mimics human sweat with the smell of lactic acid. We also add a mix of sugar water and yeast as a means to produce carbon dioxide, mimicking exhaled human breath. So, these traps smell and breathe like a human being. The mosquitoes are lured into a catch-bag where they dry out and die.”

“In the first weeks of implementing this, the traps caught up to 9,000 mosquitoes a day, on average 20 mosquitoes per trap. Since then, this number has reduced to single digits. We have two mosquito species on the island, the Aedes and the Culex. The Culex is nearly extinct and we hope that the Aedes will soon follow. It is my hope that this will be a perfect example of how closely following and understanding the laws of nature, and innovating around it, one can find solutions that end up being more effective than solutions that are the result of bioengineering” Mr. Sonu further added.

As Kunfunadhoo has low biodiversity and no freshwater aquatic ecosystems where mosquito larvae are a necessary part of the food chain, Biogents reassures that mosquitoes elimination from the island will not impact the local food chain and ecosystems. The halting of chemical fogging has also resulted in the appearance of a greater diversity of flora and fauna on the island.

Previously, the mosquito population at Soneva Fushi was managed by a conventional pest control company with hot fogging and mist blowing, which the mosquito population built strong resistance to rendering it ineffective. The fogging also reduced the number of other insects including species of butterflies, dragonflies, bumblebees, beetles, and more. However, with the new system, an increase in the Maldives’ native insects has been recorded, which will result in more flowers, more fruits and Soneva Fushi’s organic gardens are thriving with more products to serve its restaurants. This has also resulted in more birds visiting the shores of Kunfunadhoo and fireflies spotting at night.

Two types of mosquito traps, with a total of more than 500, have been deployed across the island: the BG-GAT, which is a passive trap for egg-laying tiger mosquitoes that have bitten someone and are searching for a place to lay eggs; and the BG-Mosquitaire CO2, which attracts mosquitoes in search of blood. Carbon dioxide, produced through yeast and sugar fermentation helps attract the mosquitoes in combination with lactic acid that humans emanate from the skin.

In tandem to placing the traps, Knols and Jahir also educated Soneva Fushi’s Hosts about mosquito breeding sites and how to reduce the amount of stagnant water found on the island. This included reducing the use of tarpaulins, island clean-up days to remove coconut shells, and any other objects that could contain water, and daily inspections of island sectors for the presence of mosquito larvae.

Recently, Soneva gifted a number of mosquito traps to Parliament in Malé, the capital of the Maldives, and is currently deploying traps at Soneva Jani in the Noonu Atoll. There, in a time-frame of 48 hours, a single BG-Mosquitaire CO2 trap caught a record number of 2,972 mosquitoes.

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