Abstract: 2,2-Dichlorocyclopropylmethyl-phosphoric acid derivatives of the formula I ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are identical or different and are hydrogen or methyl,R.sup.4 is unbranched or branched alkoxy of up to 4 carbon atoms, unbranched or branched alkylthio of up to 4 carbon atoms, amino, or alkylamino or dialkylamino, where each alkyl is of up to 5 carbon atoms and is linear or branched,Y is oxygen or sulfur andX.sup.1, X.sup.2, X.sup.3 and X.sup.4 are identical or different and each is hydrogen, halogen, nitro, cyano, methyl or methylthio,and their use for controlling pests from the classes of insects, Arachnidae and Nemathelminthes.

Abstract: Insecticidal agents containing, as active ingredients, imidazole derivatives or salts thereof. The imidazole derivatives have the formula ##STR1## where R.sup.1 denotes branched alkyl of 6 to 20 carbon atoms, linear alkyl of 6 to 16 carbon atoms, branched alkenyl of 10 to 20 carbon atoms, linear or branched alkynyl of 3 to 6 carbon atoms, 2-methyl-3-phenylpropyl or 2-methyl-3-phenylpropen-2-yl, phenyl being unsubstituted or mono- or polysubstituted by halogen or alkyl of 1 to 10 carbon atoms, and R.sup.2, R.sup.3 and R.sup.4 denote hydrogen or methyl.These insecticidal agents are suitable as growth regulators and ovicides for controlling insects from the Lepidoptera, Coleoptera, Diptera, Hymenoptera, Heteroptera, Homoptera and Isoptera classes.

Abstract: Aroylureas of the formula ##STR1## where A denotes a phenyl, thienyl or pyridyl-3 radical which is mono- or polysubstituted by halogen, linear or branched alkyl of 1 to 4 carbon atoms, or linear or branched alkoxy of 1 to 4 carbon atoms, R denotes linear or branched alkyl of 1 to 4 carbon atoms or linear or branched alkoxy of 1 to 4 carbon atoms, and n denotes one of the integers 0,1 and 2, which have an insecticidal and acarididal action, and a process for combating insects and mites with these active ingredients.

Abstract: New thienylmethyl-thiophosphoric acid esters of the formula ##STR1## where R.sup.1 denotes methyl or ethyl, R.sup.2 denotes linear or branched alkyl of a maximum of 5 carbon atoms, X denotes oxygen or sulfur, Y denotes sulfur or --NH--, Z denotes halogen, and n denotes one of the integers 0, 1, 2 and 3, which are effective against pests, especially insects, Arachnida and Nemathelminthes, and pesticides containing these compounds as active ingredients.

Abstract: The compound 2-(methylthiomethylthio)-phenyl-N-methylcarbamate of the formula ##STR1## and a process for controlling pests with this compound. The compound is particularly effective on plant-damaging Homoptera.

Abstract: New pyridazinonyl-(di)(thio)-phosphoric (phosphonic) acid esters of the formula ##STR1## where X and Y each denote oxygen or sulfur, R.sup.1 denotes linear or branched alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, mono- or dialkylamino of 1 to 4 carbon atoms in each alkyl, phenyl, or benzyl, R.sup.2 denotes linear or branched alkyl of 1 to 4 carbon atoms, phenyl or benzyl, R.sup.3 denotes linear or branched alkyl of 1 to 4 carbon atoms or phenyl, R.sup.4 denotes linear or branched alkyl of 1 to 4 carbon atoms, or R.sup.3 and R.sup.4, together with the oxygen and the carbon atom whose substituents they are, form a 5- or 6 membered saturated ring which may be substituted by alkyl of 1 to 4 carbon atoms, which are effective against pests, especially insects and Arachnida, pesticides containing these pyridazinonyl-(di)(thio)-phosphoric (phosphonic) acid esters as active ingredients, and a process for combating pests with these active ingredients.

Abstract: Insecticidal agents containing insecticidal active ingredients selected from the group consisting of carbamates, phosphoric (phosphonic) (di)(thio) acid esters, pyrethrins, pyrethroids, .alpha.-alkylphenyl acetates, .alpha.-cyclopropyl-phenyl acetates and chlorinated hydrocarbons, and, to increase the insecticidal action of these active ingredients, triazole derivatives or salts thereof.The triazole derivatives have the formula ##STR1## where R denotes unsubstituted or halogen-substituted phenyl, or ##STR2## Y denoting hydrogen, halogen, alkylmercapto of 1 to 6 carbon atoms, alkenylmercapto of 2 to 6 carbon atoms, or unsubstituted or halogen-substituted phenylmercapto, X denoting halogen, and n denoting one of the integers zero, 1 and 2, with the proviso that n does not denote zero when Y is halogen.

Abstract: Aroylureas of the formula ##STR1## where A denotes a phenyl, thienyl or pyridyl-3 radical which is mono- or polysubstituted by halogen, linear or branched alkyl of 1 to 4 carbon atoms, or linear or branched alkoxy of 1 to 4 carbon atoms, R denotes linear or branched alkyl of 1 to 4 carbon atoms or linear or branched alkoxy of 1 to 4 carbon atoms, and n denotes one of the integers 0, 1 and 2, which have an insecticidal and acarididal action, and a process for combating insects and mites with these active ingredients.

Abstract: The compound 2-(1-methylpropyn-2-yl-thio)-phenyl-N-methylcarbamate of the formula ##STR1## and a process for combating pests with this compound. The compound is effective on pests such as ectoparasites, and especially ticks.

Abstract: Haloalkyldithiophosphoric acid esters of the formula ##STR1## where R.sup.1 is methyl or ethyl, R.sup.2 is alkyl of 2 to 4 carbon atoms, A is linear or branched alkylene of 2 to 4 carbon atoms and X is chlorine or bromine, which are active against pests, especially insects, mites and ticks, a process for the manufacture of these active ingredients, pesticides containing these haloalkyldithiophosphoric acid esters as active ingredients, and a process for combating pests with these active ingredients.

Abstract: New carbamates, a process for their manufacture by reaction of salts of pyrazolinediones with a carbamyl halide, and pesticides containing these new carbamates as active ingredients.The new carbamates may be used as insecticides and acaricides. They have an excellent action on sucking insects, especially aphids.

Abstract: Dithiophosphoric acid derivatives bearing, as ester component, an isoxazole-5-alkyl radical substituted in the 3-position by alkyl of 1 to 6 carbon atoms, a process for their manufacture by reaction of isoxazole-5-alkyl halides substituted in the 3-position by alkyl with salts of dithiophosphoric acid derivatives, and pesticides containing these isoxazole-5-alkyl dithiophosphoric acid derivatives as active ingredients. The active ingredients according to the invention may be used for combatting pests such as sucking and biting insects, especially Lepidoptera, Diptera and mites.

Abstract: Phosphoric (phosphonic) acid esters of the formula ##STR1## where R.sup.1 denotes linear or branched alkyl of up to 4 carbon atoms, R.sup.2 denotes linear or branched alkyl, alkoxy or alkylthio, each of up to 4 carbon atoms, mono- or dialkylamino of up to 4 carbon atoms in each alkyl, or phenyl, R.sup.3 denotes linear or branched alkoxy or alkylthio of up to 4 carbon atoms, amino, mono- or dialkylamino of up to 4 carbon atoms in each alkyl, alkylalkoxyalkylamino of up to 4 carbon atoms in each alkyl or alkoxyalkyl, dialkoxyalkylamino of up to 4 carbon atoms in each alkoxyalkyl, alkylalkenylamino of up to 4 carbon atoms in each alkyl or alkenyl, alkylalkynylamino of up to 4 carbon atoms in each alkyl or alkynyl, N-methyl-N-methoxyamino, N-(2-methoxyethyl)-N-(2-cyanoethyl), a 5- or 6-membered nitrogenous heterocyclic ring which may contain several nitrogen atoms and optionally oxygen as ring members, R.sup.

Abstract: New phosphoric acid derivatives and pesticides containing these phosphoric acid derivatives as active ingredients. The new active ingredients are obtained by reaction of .alpha.-formylalkylphosphonic acid esters with phosphoric (phosphonic) acid ester halides or by reaction of .alpha.-formyl-.alpha.-haloalkylphosphonic acid esters with phosphites.The compounds are suitable for combatting pests from the classes of insects, Arachnida and nematodes in the crop protection, hygiene, stores protection and veterinary sectors.

Abstract: New phosphoric acid derivatives, a process for their manufacture by reaction of cyclopropylmethyl halides with salts of phosphoric acid derivatives, and pesticides containing these new phosphoric acid derivatives as active ingredients.

Abstract: Wood preservatives for protecting wood or wood-base materials against animal pests, and which contain a perfluoroalkane sulfonate of the formula C.sub. n F.sub.2n+1 --SO.sub.3 M where n is one of the integers from 1-14 and M denotes hydrogen or a cation, and a process for protecting wood or wood-base materials against animal pests with these compounds.

Abstract: New pyridylphosphoric acid derivatives, a process for the manufacture thereof by reaction of pyridinecarboxylic acid esters with salts of phosphoric acid derivatives, and pesticides containing these new pyridylphosphoric acid derivatives as active ingredients. The compounds of the invention have the formula ##STR1## where X denotes hydrogen or halogen, Y denotes oxygen or sulfur, R.sup.1 denotes linear or branched alkyl, alkenyl or alkynyl of a maximum of 6 carbons atoms, or unsubstituted or halogen-substituted phenyl or benzyl, R.sup.2 denotes linear or branched alkyl, unsubstituted phenyl, substituted phenyl, alkyloxy or alkylthio of a maximum of 6 carbon atoms, alkenyloxy or alkenylthio of a maximum of 6 carbon atoms, alkynyloxy or alkynylthio of a maximum of 6 carbon atoms, amino or alkylamino with from 1 to 4 carbon atoms in the alkyl moiety, or dialkylamino with from 1 to 4 carbons atoms per alkyl moiety, and R.sup.3 denotes alkyl of from 1 to 4 carbon atoms.

Abstract: Inspect repellents containing as active compound a composition of a halobenzoylpropionate and N,N-diethyl-m-toluamide.

Abstract: Naphth-[2,1-d]-isothiazole, agents for combatting nematodes containing this active ingredient, and a method of combatting nematodes with this active ingredient.

Abstract: New O,O-dialkylphosphonic acid esters having a strong insecticidal action, insecticides containing these compounds as active ingredients, a method of controlling insects, and a method for the preparation of the active ingredients.