A species of Burkholderia sp with no known pathogenicity to vertebrates but with pesticidal activity (e.g., plants, insects, fungi, weeds and nematodes) is provided. Also provided are natural products derived from a culture of said species and methods of controlling pests using said natural products.

A species of Burkholderia sp with no known pathogenicity to vertebrates but with pesticidal activity (e.g., plants, insects, fungi, weeds and nematodes) is provided. Also provided are natural products derived from a culture of said species and methods of controlling pests using said natural products.

The present invention provides a compound represented by formula (I) or salt thereof (in the formula, A.sup.1 and A.sup.2 each independently represents a nitrogen atom or the like, B.sup.1, B.sup.2, B.sup.3 and B.sup.4 each independently represents a carbon atom or nitrogen atom, X.sup.1 represents an unsubstituted or substituted C1-6 alkyl group or the like, n represents a number of X.sup.1 and represents an integer of 0-4, R.sup.1 represents a halogeno group or the like, R.sup.2 represents an unsubstituted or substituted C1-6 alkyl group or the like, m represents a number of the oxide group bonding with the nitrogen atom which does not bond with R.sup.2 on the imidazole ring, and represents 0 or 1, R.sup.3 represents a hydrogen atom or the like, Ar represents an unsubstituted or substituted C6-10 aryl group.

##STR00001##

The present invention provides a compound represented by formula (I) or salt thereof (in the formula, A.sup.1 and A.sup.2 each independently represents a nitrogen atom or the like, B.sup.1, B.sup.2, B.sup.3 and B.sup.4 each independently represents a carbon atom or nitrogen atom, X.sup.1 represents an unsubstituted or substituted C1-6 alkyl group or the like, n represents a number of X.sup.1 and represents an integer of 0-4, R.sup.1 represents a halogeno group or the like, R.sup.2 represents an unsubstituted or substituted C1-6 alkyl group or the like, m represents a number of the oxide group bonding with the nitrogen atom which does not bond with R.sup.2 on the imidazole ring, and represents 0 or 1, R.sup.3 represents a hydrogen atom or the like, Ar represents an unsubstituted or substituted C6-10 aryl group.

##STR00001##

The present invention provides a compound represented by formula (I) or salt thereof (in the formula, A.sup.1 and A.sup.2 each independently represents a nitrogen atom or the like, B.sup.1, B.sup.2, B.sup.3 and B.sup.4 each independently represents a carbon atom or nitrogen atom, X.sup.1 represents an unsubstituted or substituted C1-6 alkyl group or the like, n represents a number of X.sup.1 and represents an integer of 0-4, R.sup.1 represents a halogeno group or the like, R.sup.2 represents an unsubstituted or substituted C1-6 alkyl group or the like, m represents a number of the oxide group bonding with the nitrogen atom which does not bond with R.sup.2 on the imidazole ring, and represents 0 or 1, R.sup.3 represents a hydrogen atom or the like, Ar represents an unsubstituted or substituted C6-10 aryl group.

##STR00001##

The present invention provides a compound represented by formula (I) or salt thereof (in the formula, A.sup.1 and A.sup.2 each independently represents a nitrogen atom or the like, B.sup.1, B.sup.2, B.sup.3 and B.sup.4 each independently represents a carbon atom or nitrogen atom, X.sup.1 represents an unsubstituted or substituted C1-6 alkyl group or the like, n represents a number of X.sup.1 and represents an integer of 0-4, R.sup.1 represents a halogeno group or the like, R.sup.2 represents an unsubstituted or substituted C1-6 alkyl group or the like, m represents a number of the oxide group bonding with the nitrogen atom which does not bond with R.sup.2 on the imidazole ring, and represents 0 or 1, R.sup.3 represents a hydrogen atom or the like, Ar represents an unsubstituted or substituted C6-10 aryl group.

##STR00001##

Disclosed are compounds of Formula 1 or Formula 1′, including all geometric and stereoisomers, N-oxides, and salts thereof,

##STR00001## wherein R.sup.1, R.sup.2, R.sup.3a, R.sup.3b, R.sup.3c, R.sup.3d, R.sup.4, Z and A, respectively, are as defined in the disclosure.
Also disclosed are compositions containing the compounds of Formula 1 or Formula 1′ and methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a compound or a composition of the disclosure.

A species of Burkholderia sp with no known pathogenicity to vertebrates but with pesticidal activity (e.g., plants, insects, fungi, weeds and nematodes) is provided. Also provided are natural products derived from a culture of said species and methods of controlling pests using said natural products.

A species of Burkholderia sp with no known pathogenicity to vertebrates but with pesticidal activity (e.g., plants, insects, fungi, weeds and nematodes) is provided. Also provided are natural products derived from a culture of said species and methods of controlling pests using said natural products.

The invention relates to novel compounds of the formula (I)

##STR00001##

in which Ar represents phenyl or a 5- or 6-membered heteroaromatic ring and A, R.sup.1 and R.sup.2 have the meanings given above, and their use for controlling animal pests, especially arthropods and in particular insects, arachnids and nematodes.