Table 2: Anopheles species of Canada and their potential competence as malarial vectors.

Mosquito species Distribution in Canada Vector competence as a potential reservoir for Plasmodium species

An. freeborniBritish Columbia (BC)Competent vector, particularly for P. vivax, believed to be the dominant vector of cases in the western USA

An.  quadrimaculatusOntario (ON) Competent vector for P. vivax and P. falciparum, believed to be the dominant vector of cases in the eastern USA
Quebec (QC)

An. punctipennisBritish Columbia (BC) Competent vector for P. vivax and P. falciparum, but not believed to be dominant vector for human incidence in the USA, possibly due to minimal preference for modern indoor environments
Manitoba (MB)
New Brunswick (NB)
Nova Scotia (NS)
Ontario (ON)
Quebec (QC)

An. walkeriManitoba (MB) Vector competency doubtful; species believed to be of negligible or no importance as a vector of Plasmodium spp.
New Brunswick (NB)
Nova Scotia (NS)
Ontario (ON)
Quebec (QC)
Saskatchewan (SK)

An. barberiOntario (ON) Competent vector of Plasmodium species, though considered to be of doubtful importance due to its limited contact with man
Quebec (QC)

An. earleiAll provinces & territories except Newfoundland and Labrador (NF)Not known to be a competent vector

Sources: [31, 3537].