JP2008019226A - Composition, spray product and method for controlling small flies - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a new composition and a new product for controlling small flies, such as drosophilas, capable of exhibiting superior control effect to small flies even without requiring an insecticidal agent, and capable of giving safety feeling to users. <P>SOLUTION: The composition for controlling small flies includes one kind or more component selected from the group consisting of a surfactant capable of making the composition soluble or solubilizable in water or a solvent containing water, a plant essential oil, ethanol and a reduced saccharized starch, as an effective component. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a composition useful for controlling fly flies without using a pesticide substance, and a spray product and a fly fly control method using the same.

Fruit flies such as Drosophila have been targeted for control because they are frequently generated from garbage and spoiled foods, causing discomfort to humans. In general, aerosols for flies and mosquitoes are sprayed, smoke agents are treated, and the like (for example, see Non-Patent Document 1). However, the fly flies may not be able to obtain a sufficient control effect compared to the house flies. This is thought to be due to the fact that the fly flies are easy to change generations and develop resistance to insecticides. For this reason, studies on novel active compounds for use in controlling fly flies are still underway, and one of these is known as caran-3,4-diol (see, for example, Patent Document 1). However, the active compound is controlled by suppressing the invasion of the fly to a septic tank or the like, and it has not been shown to exert an insecticidal effect on the fly.
Formulations that have been examined as insecticides for fly flies include aerosols containing insecticide components and hydrocarbons (see Patent Document 2), but pyrethroids and other insecticides and flammable hydrocarbons. Including this, the user cannot obtain a sufficient sense of security. In addition, few compounds other than the insecticidal substance are known for controlling fly flies.

Japanese Patent Laid-Open No. 11-171706 (page 1-3) Japanese Patent Laying-Open No. 2005-330264 (page 1-8) “Revised Pests and Their Extermination”, Japan Environmental Health Center, January 25, 1996, p. 12-39

  Therefore, the present invention is a novel composition for controlling fly flies that can exert an excellent control effect on fly flies without requiring an insecticidal active ingredient or a flammable gas, and can give a sense of security to the user. And to provide products.

As a result of intensive studies to solve the above problems, the present inventors have found that a composition containing at least one selected from ethanol, a surfactant, a plant essential oil, and a reduced starch saccharified product as an active ingredient is against fly flies. The present inventors have found that the control effect is excellent and have reached the present invention. That is, the present invention is achieved by the following means.
(1) Control of fly flies characterized by containing, as an active ingredient, at least one selected from surfactants that can be dissolved or solubilized in water or water-containing solvents, vegetable essential oils, ethanol, and reduced starch saccharified products Composition.
(2) A spray product for controlling fly flies characterized by filling a sprayer with the composition according to (1).
(3) The spray product for controlling fly flies according to (2), wherein the composition contains 45% by weight or more of ethanol.
(4) The spray product for controlling fly fly according to (2) or (3), wherein the spray particles have a volume average particle diameter d50 of 70 to 160 μm.
(5) The spray product for controlling fly flies according to any one of (2) to (4), wherein the sprayer is an aerosol.
(6) The spray product for controlling fly flies according to (5), which contains compressed gas as a propellant.
(7) The spray product for controlling fly fly according to any one of (2) to (4), wherein the sprayer is a pressurized hand pump.
(8) A method for controlling a fly fly, comprising spraying the fly product with the spray product for controlling fly fly according to any one of (2) to (7).

  The present invention makes it possible to efficiently control the fly that has been difficult to control. Furthermore, the safety for the user is also improved.

The fly fly control composition according to the present invention (hereinafter also simply referred to as “composition”) is selected from water, a surfactant that can be dissolved or solubilized in a water-containing solvent, plant essential oil, ethanol, and reduced starch saccharified product. 1 type or 2 types or more are contained as an active ingredient. Of these, ethanol is preferably included.
The content of ethanol with respect to the total amount of the composition of the present invention is preferably 20 wt / wt% (hereinafter also referred to as “w / w%”), more preferably 45 w / w%. A sufficient control effect on the fruit fly can be obtained by setting the amount to 20 w / w%.

Examples of the surfactant used in the present invention include decaglyceryl monolaurate, hexaglyceryl monolaurate, sorbitan monolaurate, sorbitan monooleate, sorbitan sesquioleate, sorbitan trioleate, and sorbitan monostearate, POE POE cetyl ether, POE / POP lauryl ether, POE / POP stearyl ether, POE / POP copolymers such as POE / POP decyl tetradecyl ether, PEG alkyl esters such as PEG laurate and PEG oleate, POE such as POE lauryl ether Examples include fatty acid esters, POE alkyl ethers, POE hydrogenated castor oil, and the like.
The content is preferably 0.01 w / w% or more with respect to the total amount of the composition as long as the content does not hinder the implementation, and can be 0.05 to 2 w / w%.

The plant essential oil used in the present invention includes orange oil, peppermint oil, eucalyptus oil, citronella oil, geranium oil, hiba oil, cinnamon oil, clove oil, turpentine oil, perilla oil, sesame oil, mint oil, and benzyl alcohol. , D-limonene, L-menthol, 1,8-cineole, cinnamic aldehyde, eugenol, linalool, citral, α-pinene and the like essential oil components.
As content, it should just be content of the range which does not prevent implementation by 0.01 w / w% or more with respect to the whole quantity of a composition, and can illustrate 0.02-1 w / w%.

Examples of the reduced starch saccharified product used in the present invention include “Amenko 100” (manufactured by Yashima Sangyo), “Ekopita Liquid” (Kyotomo Agri Co., Ltd.), and the like. Reduced starch saccharified products such as food raw materials such as Shoji Co., Ltd. and “Diator” (Sunei Saccharification Co., Ltd.)
In the present invention, reducing sugars such as glucose, galactose, maltose, xylose, fructose, and lactose can be used instead of or in combination with the reduced starch saccharified product.
As content of reduced starch saccharified material, it should just be content of the range which does not prevent implementation with 0.01 w / w% or more with respect to the whole quantity of a composition, and 0.1-5 w / w% can be illustrated.

  In the composition of the present invention, water or a solvent containing water can be mentioned as a solvent, but a solvent not containing water may be used. Examples of the solvent include water; alcohols such as isopropyl alcohol; glycols such as ethylene glycol; ethers such as diethyl ether; esters such as isopropyl myristate; and hydrocarbons such as kerosene. In this case, the mixing ratio may be 0: 100 to 80:20 (weight ratio).

  In addition, as a raw material compound that is generally used as an active ingredient of an insecticide, there are compounds called insecticidal substances, specifically pyrethroids (such as pyrethrin), carbamates (such as propoxur), organophosphorus (such as dichlorvos), Examples include oxadiazoles (such as methoxadiazone), sulfonamides (such as amidoflumet), and chloronicotinyls (such as imidacloprid). The composition of the present invention has a sufficient effect even if it does not substantially contain the above other insecticidal active substances, and it is preferable not to contain it from the viewpoints of the cost of the product, the sense of security of the user, and the like.

  If necessary, the composition of the present invention is a solubilizing agent such as lactic acid ester, N-alkylpyrrolidone, polyvinylpyrrolidone, propylene carbonate, propylene glycol, glycerin; sodium citrate, sodium phosphate, sodium silicate, sodium benzoate Rust preventive agent such as piperonyl butoxide, N-octylbicycloheptene dicarboximide (MGK264), 1,1′-oxybis [2,3,3,3-tetrachloropropane] (S421) A spreading agent such as lanolin; a deodorant such as polyphenol and lauryl methacrylate; a green note fragrance, a fruit note fragrance; or a component thereof.

  The present invention also relates to a spray product for controlling fly flies (hereinafter, also simply referred to as “spray product”) obtained by filling a sprayer with the above composition.

  In the spray product of the present invention, the structure of the spray nozzle and the composition of the contents may be adjusted so that the contents can be sprayed with a volume average particle diameter d50 of preferably 70 to 160 μm, more preferably 90 to 130 μm. . By setting it in such a range, a high fruit fly control effect is obtained. The volume average particle diameter d50 means d50 (cumulative 50%) measured by a particle size distribution measuring apparatus and analyzed by an automatic calculation processing apparatus. Specifically, from the position where the distance between the laser beam emitted from the laser light emitting part of the particle size distribution measuring device to the light receiving part and the injection port of the test specimen (spray sprayer) is about 50 cm, the ejected material is a laser beam. The test specimen (spray sprayer) is sprayed so that it passes vertically through. It is obtained by measuring during injection and analyzing the particle size distribution of the injection with an automatic arithmetic processing unit.

  Examples of the sprayer include an electric sprayer, an aerosol, and a pressurized hand pump, and an aerosol and a pressurized hand pump are preferable. Moreover, it is preferable that the spray port of the sprayer is provided with a mechanical breakup mechanism.

When the nebulizer is an aerosol, it contains non-flammable nitrogen, carbon dioxide, compressed gas such as air, and liquefied gas such as HFC-152a and HFC-134a, which are flame retardant among halogenated hydrocarbons. It is preferable to do. Examples of the propellant include flammable gas dimethyl ether, liquefied petroleum gas, hydrocarbons (propane, butane, pentane, etc.), etc., but the composition of the present invention substantially contains the other combustible gas. Even if it is not included, it has a sufficient effect.
One or more of the above propellants can be mixed and used, and 10 to 90 volume / volume% (hereinafter also referred to as “v / v%”), preferably based on the total amount of the aerosol content, It is good to contain as 30-70v / v%.

  As the kind of pests to be controlled according to the present invention, among the Diptera (Flyes) insects, they are excellent for small flies called flys, specifically Drosophila, fleas and other fly flies. There is a control effect. Among them, the Drosophila family (Drosophila, Drosophila, etc.), Flea flies (such as Drosophila, Drosophila, etc.), Drosophila, Drosophila, Drosophila, Drosophila, Examples of the target pests include, but are not limited to, Cleidae, Drosophila, Drosophila, Drosophila, Drosophila, Dermatophaceae, Drosophila, Drosophila, and the like.

  In addition, the present invention does not particularly require a so-called insecticidal substance or flammable gas, and can give the user a sense of safety with respect to safety, so that it can be used in any indoor space such as a floor surface, wall surface, flooring, furniture, etc. it can. Of course, the place of use is not limited to these, and it can also be used in places where fruit flies such as outdoors, verandas, trash cans, and trash cans are generated.

(Test Example 1)
The compositions shown in Table 1 were prepared, 150 mL each was filled into a 300 mL volume aerosol container, and nitrogen gas was charged into a specimen having an internal pressure of 0.7 MPa.

  A test system as shown in FIG. 1 was installed in a chamber (3.6 m × 3.6 m × 2.7 m) corresponding to 8 tatami mats. A cage (φ13 cm × L15 cm) containing 10 test worms (mixed Drosophila melanogaster, male and female) is hung at a height of 150 cm from the floor of the chamber, and the specimen is suspended from a distance of 15 cm for 2 seconds (about 4.8 g). ) After horizontal injection, the state of the test insects was observed 1 minute after the injection, and the knockdown (hereinafter referred to as KD) rate and mortality rate were calculated. The test was performed three times, and the average results are shown in Table 2.

  As the ethanol concentration decreased, the efficacy decreased. The mortality rate of the test insects at 95% by weight and 60% by weight of ethanol was equivalent, and the mortality rate was drastically decreased at 40% by weight or less.

(Test Example 2)
The sample of Example 4 was equipped with buttons having different nozzle diameters and used for the test.
Using a laser light scattering particle size distribution analyzer LDSA-1400A (manufactured by Tohnichi Computer Applications Co., Ltd.), the measurement was performed three times, and the average value of the volume average particle diameter d50 was defined as the average particle diameter.
Tests were performed under the same conditions as in Test Example 1 using four types of specimens with different buttons and different spray particle sizes. However, the specimen injection amount was adjusted to about 4.8 g (an amount corresponding to the 2-second injection in Test Example 1), and the test insects that were unable to fly after 1 minute were observed. The test was performed three times, and the average result is shown in Table 3.

  When the average particle size was 100 μm, 100% of the test insects could not fly, and even when the particle size was 70 μm and 157 μm, it was 80% or more.

(Test Example 3)
The specimen of Example 4 was ejected with the four types of hand pump trigger sprays shown in Table 4, and d50 was measured in the same manner as in Test Example 2.
It was confirmed that even with a hand pump, it was possible to achieve a spray particle size suitable for controlling flies, similar to aerosols.

(Test Example 4)
The composition shown in Table 5 was prepared, and the same test as in Test Example 1 was performed as an aerosol sample similar to that in Test Example 1. However, the mortality after 24 hours was also observed. The test was performed three times, and the average results are shown in Table 6.

  It has been found that the lethality increases after 24 hours by adding a surfactant that can be dissolved or solubilized in water or a solvent containing water in addition to a mixture of plant essential oil and ethanol and water.

(Test Example 5)
Tests similar to those in Test Example 1 were conducted using a specimen prepared from the composition of Example 11 shown in Table 7 as an aerosol formulation in the same manner as in Test Example 1 and a pump formulation in which the composition of Example 12 was filled in a hand pump. went. However, the injection amount of aerosol was 4.8 g (corresponding to injection for 2 seconds), the injection amount of the pump was adjusted to about 4.5 g (5 pushes), and the lethality after 24 hours was observed as in Test Example 3. . The test was performed three times, and the average result is shown in Table 8. The volume average particle diameter d50 of the spray particles was about 120 μm.

  Even with the hand pump formulation, the apparent KD rate (accurate KD rate + mortality rate) reached 73%.

(Test Example 6)
Tests were carried out in the same test system as in Test Example 1, using a specimen prepared from the composition of Example 11 shown in Table 7 as an aerosol preparation in the same manner as in Test Example 1. However, the number of test insects was 20 house flies (female), and the distance between the specimen and the cage containing the test insects was 25 cm. The specimen was sprayed horizontally for 2 seconds (about 4.8 g) and 3 seconds (about 7.2 g), and the KD rate after 1 minute and the mortality rate after 24 hours were observed. The test was performed twice and the average results are shown in Table 9.

  As can be seen from comparison with the results shown in Table 8, it can be said that the present invention is more effective in controlling the fly than the control of the housefly.

1 schematically shows a test system for testing the present invention.

Claims (8)

  A composition for controlling fly flies, comprising as an active ingredient at least one selected from surfactants, plant essential oils, ethanol, and reduced starch saccharified products that can be dissolved or solubilized in water or a solvent containing water. .   A spray product for controlling fly flies, wherein the composition according to claim 1 is filled in a sprayer.   The spray composition for controlling fly flies according to claim 2, wherein the composition contains 45% by weight or more of ethanol.   4. The spray product for controlling fly flies according to claim 2 or 3, wherein the spray particles have a volume average particle diameter d50 of 70 to 160 [mu] m.   5. The spray product for controlling fly flies according to any one of claims 2 to 4, wherein the sprayer is an aerosol.   6. A spray product for controlling fly flies according to claim 5, comprising compressed gas as a propellant.   The spray product for controlling fly flies according to any one of claims 2 to 4, wherein the sprayer is a pressurized hand pump.   A method for controlling a fly fly, comprising spraying the fly product with the spray product for controlling a fly fly according to any one of claims 2 to 7.

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