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Toxicity of extract of Magonia pubescens (Sapindales: Sapindaceae) St. Hil. to Control the Brown Dog tick, Rhipicephalus sanguineus (Latreille) (Acari: Ixodidae) Neotropical Entomology
Fernandes,Fernando F.; D’alessandro,Walmirton B.; Freitas,Edméia P.S..
The action of crude ethanol extract of the stem bark of the soapberry Magonia pubescens St. Hil. was studied upon larvae of the Brown Dog tick Rhipicephalus sanguineus (Latreille). Tick larvae were obtained by maintaining gravid females in an incubator, after collecting them from naturally infested kennels. The tick larvae were placed in envelopes of filter paper impregnated with different concentrations of the extract dissolved in dimethylsulfoxide (DMSO) and distilled water. Four tests were repeated with each solution (n > 120). The control was carried out in DMSO and distilled water. The bioassays were performed at 27±1°C, RH > 80% and 12:12 light cycle. Mortality was observed after 48h exposure. All motionless larvae were considered to be dead....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Botanical acaricide; Soapberry; Tingui; Tick control.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2008000200016
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