Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl)butanamide of the following formula (1): the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2?-methylbutyl)butanamide (1).

Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl)butanamide of the following formula (1): the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2?-methylbutyl)butanamide (1).

Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl) butanamide of the following formula (1):the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2? -methylbutyl)butanamide (1).

Abstract: The present invention provides a process for preparing 2-methyl-N-(2?-methylbutyl)butanamide of the following formula (1):the process comprising: subjecting an ?-arylethyl-2-methylbutylamine compound of the following general formula (2): wherein Ar represents a substituted or unsubstituted aryl group having 6 to 20 carbon atoms, to N-2-methylbutyrylation to form an N-?-arylethyl-2-methyl-N-(2?-methylbutyl)butanamide compound of the following general formula (3): wherein Ar is as defined above, and removing the ?-arylethyl group of the resulting compound (3) to form 2-methyl-N-(2?-methylbutyl)butanamide (1).

Abstract: Provided is a mating disruption method capable of bringing a stable and effective mating disruption result. Specifically provided is a mating disruption method comprising a step of starting to apply a mating disruptant after mating and oviposition of imagoes of the first generation of an insect pest are substantially over and before imagoes of the second generation of the insect pest emerge, the mating disruptant targeting at least one kind of insect pest which contains one or more kinds of acetates as a natural sex pheromone.

Abstract: There is provided a method of controlling filbertworm capable of reducing the number of release positions without changing a dosage amount per unit area. More specifically, there is provided a method of controlling filbertworm comprising the step of: providing E,E-8,10-dodecadienyl acetate or a composition comprising 80% by weight or more of E,E-8,10-dodecadienyl acetate at 1 to 100 release positions/ha to release the E,E-8,10-dodecadienyl acetate at a release rate of from 0.01 to 5 g/day/ha for mating disruption.

Abstract: There is provided a method for controlling San Jose scale using pheromone preparations comprising a pheromone substance of San Jose scale. A method for controlling San Jose scale is provided, the method comprising at least a step of installing pheromone preparations in a field such that the number of the installed pheromone preparations ranges from 200 to 5,000 per hectare, each of the pheromone preparation comprising a pheromone substance of San Jose scale and a container for enclosing the pheromone substance therein, to allow the pheromone substance to permeate the container and to be released into the field.

Abstract: Provided are an insect pest-targeting gel composition causing neither leakage nor reaction of a volatile substance and capable of releasing the volatile substance at a constant rate; and a sustained release preparation including the insect pest-targeting gel composition. More specifically, provided is an insect pest-targeting gel composition including one or more volatile substances and an oil gelling agent, wherein the volatile substance is included in an amount of from 70.0 to 99.0% by weight by the insect pest-targeting gel composition.

Abstract: Provided are a sustained release pheromone preparation capable of maintaining a high amount of pheromone release throughout a control period of vine mealybug (VMB) having lavandulyl senecioate (LVSN) as a pheromone substance; and a control method with the preparation. More specifically, provided are a sustained release pheromone preparation comprising a first pheromone substance, and a first container having the first pheromone substance sealed therein and comprising a first polymer membrane made of an ethylene vinyl acetate copolymer containing vinyl acetate units of from 0.5 to 10% by weight, wherein the first pheromone substance is lavandulyl senecioate, which is a pheromone substance of vine mealybug, and the lavandulyl senecioate can be released into the air through the first polymer membrane for 150 days or more; and others.

Abstract: Provided are a sustained release pheromone preparation capable of maintaining a high amount of pheromone release throughout a control period of vine mealybug (VMB) having lavandulyl senecioate (LVSN) as a pheromone substance; and a control method with the preparation. More specifically, provided are a sustained release pheromone preparation comprising a first pheromone substance, and a first container having the first pheromone substance sealed therein and comprising a first polymer membrane made of an ethylene vinyl acetate copolymer containing vinyl acetate units of from 0.5 to 10% by weight, wherein the first pheromone substance is lavandulyl senecioate, which is a pheromone substance of vine mealybug, and the lavandulyl senecioate can be released into the air through the first polymer membrane for 150 days or more; and others.

Abstract: Provided is a sustained release preparation comprising an insect pest-targeting gel composition, the preparation being free from leakage or reaction of a volatile substance and being capable of releasing the volatile substance at a constant rate. More specifically, provided is a sustained release preparation including a polymer tube and an insect pest-targeting gel composition in the polymer tube, the composition including one or more volatile substances and an oil gelling agent, wherein the volatile substances are included in an amount of from 70.0 to 99.0% by weight by the insect pest-targeting composition and are released outside of the polymer tube through the polymer tube.

Abstract: Targeting an insect pest having a carboxylic acid compound as a pheromone substance, provided is a sustained release pheromone preparation enabling a high amount of pheromone to be released during the control period. More specifically, provided is a sustained release pheromone preparation, comprising: a carboxylic acid compound to be released, and an ethylene-vinyl acetate copolymer membrane through which the carboxylic acid compound can permeate, wherein the preparation is targeted for an insect pest having the carboxylic acid compound as a pheromone substance.

Abstract: There is provided a method of controlling filbertworm capable of reducing the number of release positions without changing a dosage amount per unit area. More specifically, there is provided a method of controlling filbertworm comprising the step of: providing E,E-8,10-dodecadienyl acetate or a composition comprising 80% by weight or more of E,E-8,10-dodecadienyl acetate at 1 to 100 release positions/ha to release the E,E-8,10-dodecadienyl acetate at a release rate of from 0.01 to 5 g/day/ha for mating disruption.

Abstract: Provided are an insect pest-targeting gel composition causing neither leakage nor reaction of a volatile substance and capable of releasing the volatile substance at a constant rate; and a sustained release preparation including the insect pest-targeting gel composition. More specifically, provided is an insect pest-targeting gel composition including one or more volatile substances and an oil gelling agent, wherein the volatile substance is included in an amount of from 70.0 to 99.0% by weight by the insect pest-targeting gel composition.

Abstract: Provided are a sustained releaser of sex pheromone substances and a method for controlling insect pest by using the releaser, each enabling to control the simultaneous release of a mixture of sex pheromone substances having different chemical structures of one insect pest or a mixture of sex pheromone substances of insect pests, and each enabling to release the sex pheromone substances at a fixed rate or greater during the infestation period or periods of the respective insect pest or pests.

Abstract: Provided is a sustained release preparation comprising an insect pest-targeting gel composition, the preparation being free from leakage or reaction of a volatile substance and being capable of releasing the volatile substance at a constant rate. More specifically, provided is a sustained release preparation including a polymer tube and an insect pest-targeting gel composition in the polymer tube, the composition including one or more volatile substances and an oil gelling agent, wherein the volatile substances are included in an amount of from 70.0 to 99.0% by weight by the insect pest-targeting composition and are released outside of the polymer tube through the polymer tube.

Abstract: Provided are a sustained release dispenser which can control the release of sex pheromone simultaneously toward two or more species of insect pests and can also release the sex pheromone in response to the generation period of insect pest and the pest control method toward two or more insect pests. Provided specifically is a sex pheromone sustained release dispenser comprising two or more sex pheromone substances, each substance being aliphatic derivative having 10 to 20 carbons, and first and second chambers wherein some or all of the sex pheromone substance having a smallest carbon number excluding a carbon number in a functional group is contained in a first polymer chamber and the remainder is contained in a second polymer chamber. Provided also is a pest control method for using the sex pheromone sustained release dispenser.

Abstract: Provided is a sustained releaser of a sex pheromone having a high release rate, especially preferably of a sex pheromone of an aliphatic acetate compound having 10 to 16 carbon atoms, wherein the release of the sex pheromone is controlled so that it can be released at a constant rate over a control period of a pest insect. More specifically, provided is a sustained pheromone releaser comprising a polymer container and having, enclosed therein, a mixture having a melting point of 15 to 35° C. and being obtained by mixing a sex pheromone substance and a compound having a melting point of 10 to 40° C.

Abstract: Provided is a mating disruption method capable of bringing a stable and effective mating disruption result. Specifically provided is a mating disruption method comprising a step of starting to apply a mating disruptant after mating and oviposition of imagoes of the first generation of an insect pest are substantially over and before imagoes of the second generation of the insect pest emerge, the mating disruptant targeting at least one kind of insect pest which contains one or more kinds of acetates as a natural sex pheromone.

Abstract: Targeting an insect pest having a carboxylic acid compound as a pheromone substance, provided is a sustained release pheromone preparation enabling a high amount of pheromone to be released during the control period. More specifically, provided is a sustained release pheromone preparation, comprising: a carboxylic acid compound to be released, and an ethylene-vinyl acetate copolymer membrane through which the carboxylic acid compound can permeate, wherein the preparation is targeted for an insect pest having the carboxylic acid compound as a pheromone substance.