There are many species of mosquitoes and mosquitoes in Brazil, which makes it difficult to identify the dengue mosquito; there is another species with white stripes
To be the main one dengue transmitter in Brazil, the Aedes aegizi It is known by most as the dengue mosquito, the one with the small white stripes. However, other species that are quite common in the country can cause confusion during identification.
Thanks to the warm climate and abundant rainfall throughout the year, Brazil is an excellent habitat for the most diverse species of mosquitoes: it is interesting to remember that the Aedes aegizi It didn’t even appear here, but it came here from Africa many years ago and has adapted perfectly.
Next, learn to differentiate species similar to the dengue mosquito.
Differences between mosquitoes
When talking about mosquitoes that transmit (or not) diseases, it is worth thinking about three main genera: Aedes, Culex AND Anopheles.
Those who observe them casually could also confuse these groups of insects, but the differences are numerous, as we will see below:
Mosquito genus Culex
They are popularly known as mosquitoesas the Culex quinquefasciatus. It is the famous species that has that characteristic buzz, and leaves reddish marks on the skin that itch after the bite.
“Mosquitoes like that Culex generally they do not have stripes on the body and legs”, which is very different from the dengue mosquito, as explained by Lizandra Guidi Magalhães Caldas, biomedical doctor and professor at the University of Franca (Unifran), due to the Canaltech.
Furthermore, “the Culex It has a brown color and makes that sound [de zumbido à noite] that we already know”, adds Alexandre Piva, infectious disease doctor and professor at the University of the City of São Paulo (Unicid).
Mosquito genus Anopheles
“Mosquitoes like that Anopheles they can have spots instead of stripes, generally less contrasting than those of Aedes”, explains Caldas.
Including the Anopheles darling and the Anopheles albimanthis group is known to transmit malaria, disease caused by the genus parasite Plasmodius. They are most common in the Amazon region.
Mosquito genus Aedes
“Mosquitoes like that Aedes they generally have black and white stripes on their body and legs,” says Caldas. However, anyone who thinks that only the Aedes aegizi is capable of transmitting dengue fever and other diseases (such as Zika and Chikungunya). The Asian tiger mosquito (Aedes albopictus) could be a vector of dengue.
To differentiate a mosquito Aedes of the other two genera it is worth analyzing the behavior of the flying insect. Very often, especially of this kind Aedes They fly low and have more diurnal habits. Observation is most common in the early morning and late afternoon.
Aedes aegizi OR Aedes albopictus?
OR Aedes aegizi AND OR Aedes albopictus they share basic morphological similarities, such as black and white coloration on their bodies and streaked legs. However, they have differences that help the observer in differentiation.
“OR Aedes aegizi It generally presents a more characteristic pattern of white stripes on the legs and a white spot in the shape of a ‘lyre’ or ‘harp’ on the back of the thorax, characterized by two straight lines in the center and two curved lines on the periphery”, explains biomedical doctor Caldas .
On the other hand, “the Aedes albopictus it is normally larger and has a less pronounced white striped pattern on the legs, as well as having a single straight white line down the center of the back of the chest.”
If you still have doubts, consult César Favacho, biologist and member of the Amazon Arthropod Study Group (Geaa), who illustrates the differences between the two species of the genus Aedes found in Brazil:
Part 2/2 of the mosquitoes here at home pic.twitter.com/moJFXxb4Ij
— César Favacho ~ 🐜🐞 (@CesarFavacho) March 20, 2024
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Source: Terra
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