Effect of ultraviolet-A radiation on the production of Leptolegnia chapmanii (Saprolegniales: Saprolegniaceae) zoospores on dead Aedes aegypti (Diptera: Culicidae) larvae and their larvicidal activity
| Autor: | Rueda Páramo, Manuel Enrique, López Lastra, Claudia Cristina, García, Juan José, Fernandes, Éverton K. K., Marreto, Ricardo N., Luz, Christian |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
| Předmět: | |
| Popis: | Impact of UV-radiation in entomopathogens in aquatic environments remains little investigated. The present study reports on the effect of UV-A on the larvicidal activity of Leptolegnia chapmanii zoospores in Aedes aegypti; on the production of zoospores in larvae killed by the pathogen and then exposed to UV-A; and on the activity of these zoospores against healthy larvae. Whereas the virulence of free zoospores in A. aegypti larvae was affected by a UV-A exposure time longer than 10. min, production of zoospores in larvae and their virulence were not hampered at a maximal 8. h exposure of dead larvae to UV-A. Findings suggest that dead larvae and zoosporangia provide a certain protection to zoospores against UV-A and emphasize the susceptibility of free encysted zoospores to such radiation. Centro de Estudios Parasitológicos y de Vectores |
| Databáze: | OpenAIRE |
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