What is the Difference Between Aedes Aegypti and Albopictus?

Aedes aegypti and Aedes albopictus are two species of mosquitoes that can transmit various viruses, including dengue, chikungunya, Zika, and yellow fever. They have some differences in their habitat preferences and distribution:

1. Habitat: Aedes aegypti mosquitoes live indoors and outdoors, while Aedes albopictus mosquitoes live outdoors. Aedes aegypti is more likely to live in close proximity to people and their homes, whereas Aedes albopictus is less likely to live as close or spread disease.
2. Distribution: Aedes aegypti is believed to have been transported from Africa to other parts of the world, and it has a high vectoral capacity, meaning it is a very effective transmitter of viruses in nature. Aedes albopictus, the Asian tiger mosquito, originated in Asia and can live in more temperate (cooler) climates.
3. Habitat Preferences: Studies have shown that Aedes aegypti is more prevalent in tire shop sites, while Aedes albopictus is more prevalent in cemetery sites. In residential sites, the relative abundance of these species may vary.

Both species are small, black mosquitoes with white stripes on their back and on their legs. They can lay eggs in any small, artificial or natural containers that hold water, and their eggs can survive drying out for up to 8 months.

Comparative Table: Aedes Aegypti vs Albopictus

Aedes aegypti and Aedes albopictus are both mosquito species that serve as vectors for dengue viruses (DENVs). Here is a table highlighting the differences between the two species:

In summary, while both Aedes aegypti and Aedes albopictus can transmit dengue viruses, Aedes aegypti is considered the primary vector, and Aedes albopictus is a secondary vector. Aedes aegypti has a more extensive geographical distribution and is generally more susceptible to dengue virus infection, whereas Aedes albopictus has a more limited distribution and lower susceptibility to infection. The two species can be distinguished by their thorax patterns.