title: Seasonal pattern of avian Plasmodium-infected mosquitoes and implications for parasite transmission in central Panama.
abstract: Aedeomyia squamipennis and Culex (Melanoconion) ocossa, two ubiquitous Neotropical mosquito species, are likely involved in the transmission of several bird pathogens in Gamboa, central Panama. However, knowledge on their eco-epidemiological profiles is still incomplete. Our goal in this study was to investigate temporal trends of vector density and their relationship with avian plasmodia prevalence. This information is central to identifying the risk posed by each vector species to the avian community locally. We found that A. squamipennis maintains stable population size across climatic seasons and thus maybe a more efficient vector of avian malaria than C. ocossa. In contrast, C. ocossa, which undergoes considerable population expansion in the rainy season and contraction in the dry season, is likely only an important avian malaria vector during part of the year. This is consistent with the larger number of parasite isolations and Plasmodium cyt b lineages recovered from A. squamipennis than from C. ocossa and might be explained by marked differences in their seasonality and host-feeding preferences. More Plasmodium PCR testing in mosquito communities from other areas of Panama might reveal additional vectors of avian plasmodia.
authors: Centro de Biodiversidad y Descubrimiento de Drogas, Instituto de Investigaciones Científicas y Servicios de Alta Tecnología, Edificio 219, Clayton, PO 0843-01103, Ciudad del Saber, Panama, jloaiza@indicasat.org.pa.
authors: Jose R
authors: JR
authors: Loaiza
authors: Matthew J
authors: MJ
authors: Miller
mesh_terms: D000818:Animals; D009033:Culicidae / Q000469:parasitology*; D008289:Malaria, Avian / Q000453:epidemiology / Q000469:parasitology* / Q000635:transmission*; D010176:Panama / Q000453:epidemiology; D010961:Plasmodium / Q000302:isolation & purification*; D012621:Seasons
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