Abstract: Compounds of the formula 1-(4-SF.sub.5 2-R.sup.2 6-R.sup.6 phenyl) 3-CN 4-S(O).sub.n R.sup.4 5-N(R.sup.1)(R.sup.3) pyrazole, pesticidal compositions comprising them and related methods of controlling pests are disclosed.

Abstract: 1-(Substituted phenyl)-3-(thioimidate)pyrazoles having systemic activity, arthropodicidal (especially insecticidal) and nematocidal compositions comprising same and methods for controlling arthropods (especially insects) and nematodes.

Abstract: This invention relates to a new method of plant growth promotion whereby a 1-phenylpyrazole such as fipronil is applied to a crop or a seed.

Abstract: The invention describes novel 1-(2-pyridyl)pyrazoles of formula (I) ##STR1## wherein typically preferred substituents are: X is S(O).sub.n R.sub.1, in which R.sub.1 is an alkyl group, preferably a methyl group, which is fully substituted by halogen atoms, and n is 0, 1 and 2;Y is hydrogen, halogen, cyano, alkylsulfenyl, alkylsulfinyl, alkylsulfonyl, alkoxy, amino, alkylamino, dialkylamino, trialkylammonium salt, cyanoalkylamino, alkoxyalkylamino, alkoxycarbonylamino, alkylcarbonylamino, haloalkylcarbonylamino, alkylaminocarbonylamino, dialkylaminocarbonylamino or alkoxyalkylideneimino, wherein the alkyl and alkoxy moieties are a linear or branched chain, containing one to four carbon atoms, and the halo-substitution consists of one or more halogen atoms, which are the same or different, up to full substitution of the alkyl moiety;Z is cyano; andR.sub.2, R.sub.3, R.sub.4, and R.sub.