Abstract: A 3-aryl-pyrrolidine-2,4-dione (e) derivative of the formula (I) ##STR1## in which X represents alkyl, halogen and alkoxy,Y represents hydrogen, alkyl, halogen, alkoxy and halogenoalkyl,Z represents alkyl, halogen and alkoxy,m represents a number from 1-4,n represents a number from 0-3, R represents hydrogen, ##STR2## or A where A represents a metal cation equivalent or represents an ammonium ion,R.sup.1 represents optionally halogen-substituted alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl and optionally substituted cycloalkyl which can be interrupted by hetero atoms, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl and substituted hetaryloxyalkyl andR.sup.2 represents optionally halogen-substituted alkyl, cycloalkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl and optionally substituted phenyl,as well as the pure enantiomeric forms of compounds of the formula (I).

Abstract: Pesticidal O-halogenocyclobutyl S-alkyl (di) thiophosph(on)ates of the formula ##STR1## in which x represents oxygen or sulphur,p represents zero, one or two,m represents zero, one or two,n represents 2, 3 or 4R.sup.1 represents alkyl, alkoxy which is optionally interrupted by oxygen or sulphur and can be substituted by halogen, or alkenyloxy, alkinyloxy, heterocyclyl-alkoxy or cycloalkoxy which is optionally substituted by alkyl and/or halogen,R.sup.2 represents alkyl which is optionally interrupted by oxygen or sulphur and can be substituted by halogen, or alkenyl, alkinyl or heterocyclyl-alkyl andR.sup.3 represents hydrogen or alkyl.

Abstract: Substituted 1-arylpyrazoles useful in combating insects having the arachnida and nematodes of the formula ##STR1## in which R.sup.1 represents hydrogen or alkyl,R.sup.2 represents alkyl or halogenoalkyl,R.sup.3 represents hydrogen or alkanoyl,R.sup.4 represents hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, halogenoalkyl, alkenyl, halogenoalkenyl or alkinyl, in each case optionally substituted cycloalkyl, aralkyl or aryl, or, when X represents oxygen or sulphur, R.sup.4 can represent a cation equivalent which is bonded in a salt-like manner,A represents a double-linked alkylene radical,X represents oxygen, sulphur or a radical ##STR2## Ar represents optionally substituted phenyl, pyridyl and n represents a number 0, 1 or 2, where R.sup.5 represents hydrogen, alkyl, hydroxylalkyl, alkoxyalkyl, alylthioalkyl, halogenoalkyl, alkenyl, halogenoalkenyl or alkinyl, or represents optionally substituted cycloalkyl, aralkyl or aryl.

Abstract: A method of combating agricultural pests comprising applying a pesticidally effective amount of a substituted 1,4-naphthoquinone on agricultural pests and/or their environment, said 1,4-naphthoquinone being of the formula ##STR1## in which n represents the number zero or a number from 1 to 12,R.sup.1 represents hydrogen, or represents an unsubstituted or substituted radical R selected from the group consisting of alkyl, aralkyl, alkylcarbonyl, alkoxycarbonyl, alkylsulphonyl and arylsulphonyl, andR.sup.2 represents halogenoalkyl, unsubstituted or substituted aryl or substituted cycloalkyl.A substituted 1,4-naphthoquinone of the formula ##STR2## in which m represents the number 0 or a number from 1 to 12,A.sup.1 represents hydrogen, methyl, benzyl, acetyl, methoxycarbonyl, benzenesulphonyl or toluenesulphonyl andA.sup.2 represents trifluoromethyl, 3-trifluoromethylcyclohexyl, 3-trifluoromethyl-phenyl, 4-trimethylsilyl-cyclohexyl or 4-trifluoromethylthiophenyl, with the proviso that m is other than 0 and 2 if A.

Abstract: A method of combating arthropods and nematodes which comprises applying thereto, to a habitat thereof or to an area from which they are to be excluded an arthropodicidally or nematocidally effective amount of at least one long-chain halogenoolefine of the formula (I) ##STR1## in which R represents a straight-chain or branched alkyl radical with 8 to 25 carbon atoms in the straight chain, the alkyl radical optionally being interrupted once or several times by a --C.tbd.C-- and/or ##STR2## in which Z and Z.sup.1 are identical or different and represent hydrogen or methyl andR.sup.1 represents hydrogen, alkyl or halogen.Those compounds are new wherein R has at least 12 carbon atoms in the straight chain.

Abstract: Pest-combating agents, in particular as insecticides which substituted nitroalkenes of the formula ##STR1## in which m represents 0, 1 or 2,A represents alkanediyl,R.sup.1 represents an optionally substituted five-or six-membered heterocyclic grouping,R.sup.2 represents hydrogen or alkyl,R.sup.3 represents hydrogen or optionally substituted alkyl, alkenyl, alkinyl, benzyl, furyl, furylmethyl, thenyl, thienyl or pyridyl,R.sup.4 represents optionally substituted phenyl, pyrimidinyl, imidazolyl or triazolyl andX represents oxygen, sulphur or the grouping N--R.sup.5,whereinR.sup.5 represents hydrogen, optionally substituted alkyl, alkenyl, alkinyl, or benzyl, formyl, or optionally substituted alkylcarbonyl, cycloalkylcarbonyl, alkenylcarbonyl, phenylcarbonyl or naphthylcarbonyl.

Abstract: In the control of parasitoses in honey bees by applying to the bees, their food or their habitat a parasiticide which is selectively active against such parasitoses but not against said bees, the improvement wherein such parasiticide is a synthetic pyrethroid.

Abstract: A 5-aminopyrazole of the formula (I) ##STR1## in which R.sup.2 represents CF.sub.3 or CCL.sub.2 F,R.sup.3 represents hydrogen or CH.sub.3and n represents the number 0 or 1.The 5-aminopyrazole of formula (I) is effective in combating insects, sense animals and nematodes.

Abstract: Pesticidal substituted 5-methylamino-1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents alkyl, andR.sup.2 represents halogenoalkyl.

Abstract: A method of combating agricultural pest comprising applying a pesticidally effective amount of a substituted 1,4-naphthoquinone on agricultural pests and/or their environment, said 1,4-naphthoquinone being of the formula ##STR1## in which n represents the number zero or a number from 1 to 12,R.sup.1 represents hydrogen, t-butylcarbonyl or acetyl andR.sup.2 represents phenyl which is substituted by bromine, fluorine, chlorine, trifluoromethyl, trifluoromethoxy, trifluoromethylsulphenyl, trifluoromethylsulphonyl or trimethylsilyl or cyclohexyl which is substituted by methyl, trifluoromethyl or trimethylsilyl orR.sup.2 represents C.sub.1 -C.sub.8 -alkyl which is substituted by fluorine, chlorine or bromine.

Abstract: Pesticidal 5-ethylamino-1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen or alkyl,R.sup.2 represents halogenoalkyl andn represents a number 0, 1 or 2, with the proviso that if R.sup.1 represents hydrogen, R.sup.2 is not dichlorofluoromethyl and n is not 0.These compounds are not only active against plant, hygiene and stored product pests, but also, in the veterinary medicine sector, against animal parasites, such as scaly ticks, argasidae, scab mites, trombidae, flies (stinging and sucking), parasitic fly larvae, lice, hair lice, bird lice and fleas.

Abstract: Novel mercapto-substituted hydroxyethyl-(triazol-l-yl) derivatives of the formula ##STR1## in which Ar represents optionally substituted aryl,X represents oxygen, sulphur, a direct bond or the groupings --CH.sub.2 --, --CH.sub.2 --CH.sub.2 --, --O--CH.sub.2 --, --SCH.sub.2 --, --O--CH.sub.2 --CH.sub.2 --, and --S--CH.sub.2 --CH.sub.2 --, the hetero atom being bonded to the aryl radical if X represents --OCH.sub.2 --, --SCH.sub.2 --, --O--CH.sub.2 --CH.sub.2 -- or --S--CH.sub.2 --CH.sub.2 -- andR represents hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl or optionally substituted phenyl, and their acid addition salts and metal salt complexes are very effective as fungicides and parasiticides.

Abstract: Arthropodicidally active O-(6-alkoxy-2-tert-butylpyrimidin-4-yl)-O-methyl-thionoethanephosphonic acid diesters of the formula ##STR1## in which R represents alkyl with 1 to 4 carbon atoms or cycloalkyl with 3 or 4 carbon atoms. The intermediate where R is replaced by H is also new.

Abstract: Pest-combating agents, especially as insecticides, which are 1-arylpyrazoles of the formula ##STR1## in which R.sup.1 represents hydrogen, alkyl or halogenoalkyl,R.sup.2 represents alkyl, halogenoalkyl, optionally substituted aralkyl or optionally substituted aryl,R.sup.3 represents hydrogen, alkyl or halogenoalkyl,R.sup.4 represents alkyl, alkenyl, alkinyl, halogenoalkyl, halogenoalkenyl, halogenoalkinyl or in each case optionally substituted aryl or heteroaryl,X represents oxygen, sulphur or an N-alkyl radical,Ar represents in each case optionally substituted phenyl or pyridyl,m represents a number 0 or 1 andn represents a number 0, 1 or 2,have been found.

Abstract: A process for the separation of mutually diastereomeric forms of a cyclopropanecarboxylic acid ester of the formula ##STR1## in which R.sup.1 represents hydrogen or halogen,R.sup.2 represents hydrogen or halogen,R.sup.4 represents hydrogen, Cn, --C.dbd.CH or CH.sub.3,R.sup.5 represents hydrogen or halogen, andR.sup.6 represents hydrogen or halogen,comprising reacting such ester in a first stage with about half or an equal molar amount of a second compound of the formula ##STR2## in which R.sup.7, R.sup.8 and R.sup.9 represent hydrogen or methyl, or, together with the C atom to which they are bound and with the adjacent C atoms of the basic structure form a fused 6-membered ring,R.sup.10 represents hydrogen, methyl, ethyl, halogen, amino, methylamino or dimethylamino, andR.sup.

Abstract: A method of combating arthropods and nematodes which comprises applying thereto, to a habitat thereof or to an area from which they are to be excluded an arthropodicidally or nematocidally effective amount of at least one long-chain halogenoolefine of the formula (I) ##STR1## in which R represents a straight-chain or branched alkyl radical with 8 to 25 carbon atoms in the straight chain, the alkyl radical optionally being interrupted once or several times by a --C.tbd.C-- and/or ##STR2## in which Z and Z.sup.1 are identical or different and represent hydrogen or methyl andR.sup.1 represents hydrogen, alkyl or halogen.Those compounds are new wherein R has at least 12 carbon atoms in the straight chain.

Abstract: New 1,2,3,6-tetrahydro-5-nitro-pyrimidine derivatives of the formula ##STR1## in which n represents the numbers 0, 1 or 2,R.sup.1 represents hydrogen or optionally substituted radicals from the series comprising alkyl, alkenyl, alkinyl, aralkyl and hetarylalkyl, andR.sup.2 represents dialkylamino, alkoxy, alkenyloxy, aralkoxy or optionally substituted radicals from the series comprising alkyl, alkenyl, alkinyl, cycloalkyl, aralkyl and hetarylalkyl,and their acid addition salts have been found.It has furthermore been found that these 1,2,3,6-tetrahydro-5-nitor-pyrimidine derivatives have unexpectedly high activity as insecticides, nematicides and ectoparasiticides.

Abstract: Insecticidally and acaricidally active novel 1-aryl-3-tert.-butyl-pyrazoles of the formula ##STR1## in which R.sup.1 represents nitro or halogen,R.sup.2 represents halogen or the --NR.sup.3 R.sup.4 group, and also may represent hydrogen when R.sup.1 denotes halogen,whereR.sup.3 represents hydrogen, in each case optionally substituted alkyl, alkenyl or alkinyl, and in each case optionally substituted cycloalkyl or cycloalkylalkyl andR.sup.4, independently of R.sup.3, represents the same radicals as R.sup.3l , and, in addition, a ##STR2## radical, where X represents oxygen or sulphur andR.sup.5 represents hydrogen, alkyl, alkenyl, alkinyl, halogenoalkyl, alkoxyalkyl, alkylthioalkyl, optionally substituted cycloalkyl, optionally substituted aryl, alkoxy, alkylthio, optionally substituted aryloxy, optionally substituted arylthio, alkylamino, dialkylamino or optionally substituted arylamino; andAr represents optionally substituted phenyl, apart from dinitrophenyl, or optionally substituted pyridyl.

Abstract: Substituted furazans of the formula ##STR1## in which R and R.sup.1 are identical or different and represent optionally substituted aromatic or heteroaromatic radicals,R.sup.2 represents hydrogen, an OH or COOH grouping or an optionally substituted radical from the series comprising alkyl, alkoxy, cycloalkyl, cycloalkenyl, alkoxycarbonyl, alkoxythiocarbonyl, alkylsulphonyl, arylsulphonyl and aralkyl,Y represents oxygen or an S(O).sub.m, --CR.sup.3 R.sup.4, CO or NR.sup.5 grouping,in whichm represents the number 0, 1 or 2 andR.sup.3, R.sup.4 and R.sup.5 are identical or different andrepresent hydrogen or alkyl,n represents the number 0 or 1 andx represents oxygen or sulphur,and wherein, ifR represents phenyl,R.sup.1 represents phenyl,R.sup.2 represents hydrogen andx represents oxygen or sulphur,thenn represents the number 1,or ifn represents the number 0,R represents 4-bromophenyl,R.sup.1 represents 4-chlorophenyl andR.sup.2 represents hydrogen,thenX represents sulphur, which possess pesticidal activity.

Abstract: Novel insecticidally and acarididally active vinylcyclopropanecarboxylic acid esters of the formula ##STR1## in which R represents alkylthio, alkylsulphinyl, alkylsulphonyl,amino, monoalkylamino or dialkylamino, and whereinX and Y either simultaneously represent halogen orX and Y simultaneously represent alkyl, or in whichX represents CF.sub.3,Y represents Cl and,R simultaneously represents methylmercapto.The alcohols of such esters are also new.