01654naa a2200301 a 450000100080000000500110000800800410001910000170006024501680007726000090024552007730025465000100102765000140103765300140105165300150106565300210108065300100110165300100111165300200112170000230114170000240116470000240118870000190121270000180123170000240124970000220127377300570129520693512022-05-18       2017    bl uuuu     u00u1 u    #d1 aANHOLETO, A.  aPotential action of extract of Acmella oleracea (L.) R. K. Jansen to control Amblyomma cajennense (Fabricius, 1787) (AcaribIxodidae) ticks.h[electronic resource]  c2017  aThe use of synthetic acaricides is currently the main method to control ticks. However, the indiscrimi-nate use of these chemicals can lead to the selection of resistant individuals and in the accumulation ofchemical residues in the environment, contaminating the soil and water streams, consequently affectingthe flora, fauna, and the human beings as well. In this sense, the objective of this study was to investigatethe acaricidal effect of crude ethanolic extract of Acmella oleracea (L.) R.K. Jansen aerials parts at different concentrations on fed males and semi-engorged females of A. cajennense s.s. An in vitro bioassay (AdultImmersion Test) was carried out to determine the lethal concentration 50 (LC50) of ethanolic extract, cal-culated by Probit analysis.  aticks  aAcaricida  aAcaricide  aCarrapatos  aControle natural  aJambu  aLC50a  aNatural control1 aOLIVEIRA, P. R. de1 aRODRIGUES, R. A. F.1 aSPINDOLA, C. dos S.1 aLABRUNA, M. B.1 aPIZANO, M. A.1 aCASTRO, K. N. de C.1 aMATHIAS, M. I. C.  tTicks and Tick-borne Diseasesgv. 8, p. 65-72, 2017.