title: In vitro evaluation of acaricidal activity of fipronil against Haemaphysalis bispinosa based on adult immersion test.
abstract: Fipronil is a phenylpyrazole family insecticide which mainly affects the nervous   system of insects. In the present study, the in vitro acaricidal effects of the compound   against the widely prevalent multihost tick, Haemaphysalis bispinosa was assessed. The   lowest concentration at which complete adult tick mortality was observed was at 25 ppm   while complete absence of egg mass observed at 10 ppm. Hundred per cent inhibition of   fecundity was observed at 1 ppm while complete blocking of hatching of the laid ova was   observed even at 500 ppb.
authors.affiliation: Department of Veterinary Parasitology, College of Veterinary and Animal Sciences, Pookode, Lakkidi, P.O., Wayanad, Kerala 673 576, India. drreghuravi@yahoo.com
authors.forename: R
authors.initials: R
authors.lastname: Ravindran
authors.forename: K G
authors.initials: KG
authors.lastname: Ajith Kumar
authors.forename: K K
authors.initials: KK
authors.lastname: Amithamol
authors.forename: A R
authors.initials: AR
authors.lastname: Sunil
authors.forename: S
authors.initials: S
authors.lastname: Juliet
authors.forename: S N
authors.initials: SN
authors.lastname: Nair
authors.forename: L
authors.initials: L
authors.lastname: Chandrasekhar
authors.forename: S
authors.initials: S
authors.lastname: Sujith
authors.forename: S
authors.initials: S
authors.lastname: Varghese
authors.forename: M
authors.initials: M
authors.lastname: Aparna
authors.forename: A
authors.initials: A
authors.lastname: Bandyapadhyay
authors.forename: A K S
authors.initials: AK
authors.lastname: Rawat
authors.forename: S
authors.initials: S
authors.lastname: Ghosh
mesh_terms: D056810:Acaricides / Q000494:pharmacology*; D000818:Animals; D004772:Entomology / Q000379:methods*; D005260:Female; D005298:Fertility / Q000187:drug effects; D026863:Ixodidae / Q000187:drug effects* / Q000502:physiology; D011720:Pyrazoles / Q000494:pharmacology*
chemical_list: D056810:Acaricides; D011720:Pyrazoles; C082360:fipronil