The adults subsist on carbohydrate-rich materials, such as honeydew, or saps and juices from damaged plants, refuse, fruit, and nectar.

[2] Mating in mid-air, males and females synchronize their wing beats to the same frequency.

[3] They are either white or yellow in color, with an incubation period of 40–60 hours depending on the temperature.

Environmental scientists have suggested that Toxorhynchites mosquitoes be introduced to areas outside their natural range in order to fight dengue fever.

[5] An extinct species T. mexicanus is known from Miocene aged Mexican Amber.