Malaria-vector-potential
Guides
Anopheles perplexens
Anopheles perplexens is a native North American mosquito species in the genus Anopheles, first described by Ludlow in 1907. It was documented in Charlotte County, Florida in 2021 during routine public health surveillance, with only a single specimen confirmed to date. As an Anopheles species, it belongs to the group of mosquitoes capable of transmitting Plasmodium parasites, though specific vector competence for this species has not been established. The species was identified through external morphology and confirmed via COI gene sequencing.
Anopheles walkeri
Walker's Anopheles
Anopheles walkeri is a North American mosquito species found predominantly throughout the Mississippi River Valley, ranging north to southern Quebec, Canada. It is a freshwater swamp specialist whose eggs lack desiccation resistance, restricting it to permanently wet habitats. The species exhibits distinctive nocturnal activity patterns, with peak blood-feeding occurring late at night. A. walkeri has a multivoltine life cycle with specialized overwintering eggs that have enlarged dorsal floats, allowing it to complete one full larval generation before hibernating adults of other species become active. Despite occasional detection of human malaria parasites in southern U.S. specimens, it is considered an unlikely disease vector due to habitat preferences and low virus detection rates.