Strelkovimermis spiculatus (Poinar and Camino 1986) is a nematode parasite of mosquitoes isolated from the Neotropical region. We investigated the host range of this parasite in mosquito populations for a better understanding of the dynamics of temporary breeding sites. Five grassy-pool habitats filled by rainwater were sampled from the summer 2007 through the fall 2008. Eight mosquito species were collected: Anopheles albitarsis, Culex chidesteri, Culex dolosus, Culex maxi, Aedes albifasciatus, Psorophora ciliata, Psorophora cyanescens, and Psorophora albigenu. Six of these species were parasitized: Cx. chidesteri, Cx. dolosus, Cx. maxi, Ae. albifasciatus, Ps. ciliata, and Ps. cyanescens. The occurrence of this mermithid in natural mosquito populations was increased from the end of winter to the end of the spring. Prevalence ranged from 11% to 100%. High levels of infections were registered only in Ae. albifasciatus larvae, the most abundant mosquito species (95%), followed by Cx. dolosus (2.7%). Strelkovimermis spiculatus completed its development in all infected mosquito larvae. The presence of S. spiculatus in six natural mosquito populations increases the number of susceptible species to 24.
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1 June 2013
Host Range of the Parasite Strelkovimermis spiculatus (Nematoda: Mermithidae) in Argentina Mosquitoes
M. F. Achinelly,
M. V. Micieli
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Journal of Vector Ecology
Vol. 38 • No. 1
June 2013
Vol. 38 • No. 1
June 2013
Argentina
Culicidae
Mermithidae
parasite
Strelkovimermis spiculatus