| the distribution of potential west nile virus vectors, culex pipiens pipiens and culex pipiens quinquefasciatus (diptera: culicidae), in mexico city. | abstract: background: culex spp. mosquitoes are considered to be the most important vectors of west nile virus (wnv) detected in at least 34 species of mosquitoes in the united states. in north america, culex pipiens pipiens, culex pipiens quinquefasciatus, and culex tarsalis are all competent vectors of wnv, which is considered to be enzootic in the united states and has also been detected in equines and birds in many states of mexico and in humans in nuevo leon. there is potential for wnv to b ... | 2011 | 21554725 |