Which mosquito species often bites below the knee?

The correct choice is Aedes cinereus, known for its propensity to bite lower on the body, particularly below the knee. This behavior is influenced by its typical habitats and characteristics, which make it more likely to target areas of the body that are more exposed when individuals are outdoors, especially in natural settings or near water sources where these mosquitoes breed.

While other species of mosquitoes may also bite humans, their feeding patterns and preferred locations can differ significantly. For example, Aedes albopictus, commonly referred to as the Asian tiger mosquito, is known for its biting behavior primarily at the waist and above. Culex tarsalis tends to bite primarily around the upper body or head, while Aedes trivittatus often targets areas that are more exposed but not as consistently low as Aedes cinereus. Therefore, the distinctive biting behavior of Aedes cinereus below the knee sets it apart from the other options.