Which of the following is NOT a function of the mosquito thorax?

The thorax of a mosquito is primarily responsible for functions related to movement and locomotion, including flight and sensory perception that is critical for navigation and finding hosts. The muscular structure of the thorax enables the rapid and agile movement necessary for flying.

While the thorax is involved in these activities, feeding is primarily a function of the mouthparts, which are not located in the thorax. Mosquitoes utilize their specialized proboscis for feeding, which is an adaptation of their mouthparts and is positioned in the head of the mosquito. Therefore, feeding does not occur within the thorax, making it the correct choice for the function that is not associated with that part of the mosquito.