‘Ovitrampa’: discover the trap that makes the fight against Aedes aegypti more effective in Uberlândia | Mining Triangle

In the last three weeks, the increase in the number of eggs found in the ‘ovitrampas’, Aedes aegypti monitoring traps, in Uberlândia was 13.6%. The instrument shows the presence of the mosquito, especially where the females are, as it is an accompaniment made by the amount of eggs.

The work is carried out by the Dengue Control Program, the Municipal Health Department and the installation of traps in all regions of the city is a way of real-time monitoring of mosquito behavior, in addition to making combat actions more effective and thus achieving control over the spread of diseases caused by the vector.

Dengue Control Program intensifies the monitoring of traps against Aedes aegypti in Uberlândia — Photo: Uberlândia City Hall/Publishing

“It’s a thorough monitoring, with a fixed date, and on a permanent basis. We want to know where the mosquito appears, where the biggest infestation is. The ovitrap provides us with this information so that we can more precisely target actions”, explained the coordinator of the Dengue Control Program, José Humberto Arruda.

With the rainy season, the monitoring work is intensified, as the traps allow closer and more detailed monitoring of the mosquito’s behavior. At the beginning of the action, 960 traps were installed and currently there are 1,093.

how the trap works

Ovitrap, trap to capture Aedes Aegypti eggs — Photo: Reproduction/Fiocruz

From then on, the team at the Zoonoses Control Center began collecting material on a weekly basis to count the eggs, thus defining the mosquito population within a radius of nine blocks.

The three diseases transmitted by Aedes aegypti are serious: dengue, chikungunya fever and zika, so it is important that everyone is alert to possible outbreaks. “We can’t be too careful when our health is at risk,” said Arruda.

Care that contributes to the non-proliferation of the mosquito

  • Avoiding keeping containers that accumulate water under plant pots or even filling them with sand to the edge is one of the guidelines to keep the mosquito away from houses;
  • The yard must be inspected frequently so that there are no plastic bags and any other material – even small ones, such as bottle caps – that could hold water;
  • Those who have a swimming pool need to commit to keeping it always with clean, chlorinated water;
  • In situations where the house is unoccupied, or remains unmonitored for a long period, the owner must inform the Zoonoses Control Center so that the pool receives the guppy fish, which is a natural predator of mosquito larvae;
  • Dumpsters and bags must be well sealed and kept out of the reach of animals;
  • Glass bottles and cans need to be emptied and stored upside down;
  • Inside the house, it is recommended to cover the sink and bathroom drains.

Application reinforces actions against the mosquito

The tool is an ally of the population in the fight against Aedes Aegypti, as it allows direct interaction with the Dengue Control Program team. Through the application, the population can send photos, videos and text or voice messages alerting teams to possible breeding sites for the mosquito.

Udi sem Dengue still works as an action manager, assisting agents in real-time monitoring of ovitraps distributed throughout the city, as well as swimming pools and reservoirs registered for the insertion of guppy fish.

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