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Host range and specificity of an Argentinean isolate of the aquatic fungus Leptolegnia chapmanii (Oomycetes: Saprolegniales), a pathogen of mosquito larvae (Diptera: Culicidae)

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Abstract

An isolate from Argentina of the fungal mosquito pathogen Leptolegnia chapmanii (ARSEF 5499), was tested against 12 species of mosquito larvae and on species of non-target aquatic invertebrates and vertebrates. The mosquito species tested were Aedes aegypti, Anopheles sp., Culex apicinus, Cx. castroi, Cx. dolosus, Cx. pipiens, Cx. renatoi, Isostomyia paranensis, Ochlerotatus albifasciatus, Oc. crinifer, Psorophora cyanescens, and P. ferox. Mosquito larvae of 10 species were susceptible, with mortality rates from 10–100%. Two mosquito species Cx. renatoi and I. paranensis were not infected by Leptolegnia. None of the non-target fauna treated was infected by L. chapmanii with exception of members of the Family Chironomidae which were susceptible at low infection rates.

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Authors and Affiliations

  1. CEPAVE (Centro de Estudios Parasitológicos y de Vectores) (CONICET-UNLP), La Plata, Argentina

    C. C. López Lastra, A. C. Scorsetti, G. A. Marti & J. J. García

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  1. C. C. López Lastra
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  2. A. C. Scorsetti
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  3. G. A. Marti
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  4. J. J. García
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Correspondence to C. C. López Lastra.

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Researcher CIC (Committee for Scientific Research of Buenos Aires State).

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López Lastra, C.C., Scorsetti, A.C., Marti, G.A. et al. Host range and specificity of an Argentinean isolate of the aquatic fungus Leptolegnia chapmanii (Oomycetes: Saprolegniales), a pathogen of mosquito larvae (Diptera: Culicidae). Mycopathologia 158, 311–315 (2004). https://doi.org/10.1007/s11046-005-0498-z

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  • DOI: https://doi.org/10.1007/s11046-005-0498-z

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