JPH11220993A - Control of insect pest and controller for insect pest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide both a method for controlling insect pests, having excellent diffusivity, capable of sufficiently attaining controlling effects on insect pests, slightly attaching a transpiration component to a tool, not requiring the frequent cleaning, etc., of the tool, suitable for use for many hours and a controller for insect pests. SOLUTION: This method for controlling insect pests comprises forcibly diffusing an inset pest controller evaporated by heating in a heated state as it is into a gas requiring insect pest control to control insect pests. The insect pest controller is obtained by attaching a holding body 6 for an insect pest controller to a container body 1 equipped with an exhaust 9 for the insect pest controller and an intake 10 for outside air, loading the holding body 6 with a liquid absorbing carrier 8 in a projected state of its upper part, supplying the upper part of the liquid absorbing carrier 8 with a heating means 2 and installing a diffusing means 4 capable of diffusing the insect pest controller evaporated by the heating means 2 in a heated state as it is from the exhaust 9 in the container body 1. Insect pests such as cockroaches, chisels, mites, etc., lurking in a place which an insect pest controller hardly reaches can be efficiently controlled and the stain of the container body reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for controlling pests such as cockroaches, fleas, mites and the like lurking in places where a pest control agent is difficult to reach, and a control device therefor.

[0002]

2. Description of the Related Art Conventional pest control methods and pest control devices include:
There are a system in which hot air is applied to the granulated pesticide to evaporate, and a system in which air is applied to the absorbent carrier of the insect control device to evaporate the pesticide.

[0003]

However, the above-mentioned conventional method of exposing the granular pesticide to hot air by evaporation with hot air is not applied to the one in which the liquid is continuously supplied, and the pest control device is not used. The method in which air is blown to the liquid-absorbing carrier is merely a method of evaporating a normal-temperature volatile component into the air at normal temperature. For this reason, there is a problem that the diffusibility is poor and a sufficiently satisfactory control of pests cannot be performed.

Accordingly, the present invention is to solve the problems of the above-mentioned conventional pest control method and pest control apparatus. The present invention is excellent in diffusivity, sufficiently achieves the pest control effect, and can be used to control the transpilation component to the equipment. An object of the present invention is to provide a pest control method and a pest control apparatus which have little adhesion and do not require frequent cleaning of equipment, and are suitable for long-term use.

[0005]

Therefore, the method for controlling pests of the present invention forcibly diffuses the pest controlling agent evaporated by heating toward the air where pest control is required while heating the pest controlling agent. Is to be controlled.

That is, in the present invention, the insect-controlling agent is contained in a container such as a bottle, is sucked up by a liquid-absorbing carrier, and is evaporated by appropriately heating the liquid-absorbing carrier by a heating means. Then, the transpired component is forcibly diffused into the air where pest control is required, while being heated by an appropriate diffusion means.

The pest control device of the present invention is provided with a blow-out port 9 for the evaporated pest control agent and an outside air intake port 1.
0 is provided with a container 6 of a pesticidal agent, a liquid absorbent carrier 8 is inserted into the container 6 with the upper part protruding, and a liquid absorbent carrier 8 is further placed on the liquid absorbent carrier 8. A heating means 2 is provided, and a diffusion means 4 is provided in the vessel 1 so that the pest control agent evaporated by the heating means 2 can be diffused from the outlet 9 in a heated state.

Further, in the pest control device of the present invention, the container 1 provided with the outlet 9 for the evaporated pest control agent and the intake port 10 for the outside air is provided with the container 6 for the pest control agent. Diffusion means 4 is provided in the vessel 1 so that the pest control agent evaporated from the evaporation surface of the body 6 can be diffused from the outlet 9 while being heated.

In the present invention, pest control agents include pyrethroid compounds, organophosphorus compounds (DDVP), carbamate compounds (propoxer), insect growth regulators (methoprene, hydroprene, pyriproxyfen),
(Phenoxycarb), but a pyrethroid-based compound as shown below can be typically used. Examples of such pyrethroid compounds include phenothrin (3-phenoxybenzyl-d-cis / trans-chrysanthemate), permethrin (3-
Phenoxybenzyl-dl-cis / trans-2,2-
Dimethyl-3- (2 ', 2'-dichlorovinyl) -cyclopropanecarboxylate), resmethrin ((5-
Benzyl-3-furyl) methyl-d-cis / trans-
Chrysanthemate), allethrin (dl-3-allyl-
2-methyl-4-oxo-2-cyclopentenyl-dl
-Cis / trans-chrysanthemate), phthalthrine (1,3,4,5,6,7-hexahydro-dioxo-
2-indolyl-dl-cis / trans-chrysanthemate), empentrin (1-ethynyl-2-methyl-
2-pentenyl-dl-cis / trans-chrysanthemate), 1-ethynyl-2-ethyl-2-pentenyl-
2,2,3,3-tetramethyl-cyclopropanecarboxylate, 1-ethynyl-2-methyl-2-pentenyl-2,2-dimethyl-3- (2 ′, 2′-dichlorovinyl) -cyclopropanecarboxylate Rate, praletrin ((+)-2-methyl-4-oxo-3-propargylcyclopent-2-enyl-d-cis / trans-chrysanthemate), tefluthrin (2,3,5,6-tetrafluoro- 4-methylbenzyl-3- (2'-chloro-3 ', 3', 3'-trifluoro-1-propenyl) -2,2-dimethylcyclopropanecarboxylate), benfluthrin (2,3,5,6 -Tetrafluorobenzyl-3- (2,2-dichlorovinyl) -2,2
-Dimethylcyclopropanecarboxylate) and isomers, derivatives, analogs and the like of these compounds,
One or more compounds selected from these pyrethroid compounds can be used.

The pest control method of the present invention is effective against various pests and harmful mites, but is particularly effective against sanitary pests, wood pests, clothing pests, food pests, indoor pests and other unpleasant pests. In the case of controlling mites by evaporating the pesticidal agent, the pesticidal agent is usually used after absorbing the liquid with a suitable carrier.

The liquid-absorbing carrier as the carrier may be in any form such as a rod, a tube, a honeycomb, etc., and may be any of various commonly used materials such as felt, cotton, pulp, synthetic resin, non-woven fabric, asbestos, Any of inorganic moldings and the like may be used, and a felt core, a sintered core, a pulp core, a synthetic resin core, and an inorganic molding core are preferable. Specific examples of the inorganic molded core include magnetic porous, glass fibers, inorganic fibers such as asbestos hardened with a binder such as gypsum or bentonite, kaolin, activated clay, talc, diatomaceous earth, clay, pearlite, gypsum Mineral powders such as bentonite, alumina, silica, alumina silica, titanium, vitreous volcanic rock calcined powder, vitreous volcanic ash calcined powder, etc., alone or together with wood flour, charcoal powder, activated carbon, etc., as a sizing agent, for example, dextrin, starch, gum arabic And those hardened with synthetic glue CMC or the like. Particularly preferred liquid-absorbing carrier is the above-mentioned mineral powder 1
00 parts by weight and 10 to 300 parts by weight of wood flour or a mixture of carbon powder and / or activated carbon up to an equal weight with the wood flour until the sizing agent becomes 5 to 25 parts by weight of the total liquid absorbing carrier weight. It is manufactured by mixing, further adding water, kneading, extruding and drying. The liquid absorbing carrier desirably has a liquid absorbing rate of 1 to 40 hours, preferably 8 to 21 hours. The liquid absorption rate is a liquid temperature of 25 ° C.
A liquid-absorbing carrier having a diameter of 7 mm and a length of 70 mm was immersed in the n-paraffin solution to a depth of 15 mm from the lower part thereof,
-Means the value determined by measuring the time taken for paraffin to reach. In addition, in addition to the mineral powder, wood flour and sizing agent, a pigment such as malachite green, sorbic acid and its salts, a fungicide such as dehydroacetic acid, etc. are further incorporated into the liquid-absorbing carrier, if necessary. You can also.

In the present invention, the pest control agent is α- [2- (2-butoxyethoxy) ethoxy] -4,5-methylenedioxy-2-propyltoluene (pipe), which is a synergist for pyrethroids. Ronyl butoxide),
N- (2-ethylhexyl) bicyclo [2,2,1] hepta-5-ene-2,3-dicarboximide (MGK
-264), octachlorodiisopropyl ether (S
-421) and other pyrethroid compounds can be used in combination with a known synergist effective to enhance the efficacy.

The insecticidal drug substance can be stabilized by adding an antioxidant or an ultraviolet absorber to enhance the stability against light, heat, oxidation and the like. As the antioxidant, for example, 2,2'-methylenebis (6
-Tert-butyl-4-ethylphenol), 2,6
-Di-tert-butyl-4-methylphenol, 2,
2'-methylenebis (6-tert-butyl-4-methylphenol), 4,4'-methylenebis (2,6-di-tert-butylphenol), 4,4'-butylidenebis (6-tert-butyl-3-) Methylphenol), 4,4'-thiobis (6-tert-butyl-3)
-Methylphenol), dibutylhydroquinone (DB
H), and examples of the ultraviolet absorber include BHT
Such as phenol derivatives, bisphenol derivatives, phenyl-α-naphthylamine, phenyl-β-naphthylamine, arylamines such as condensates of phenetidine and acetone, and benzophenone-based compounds.

Also, allylaminoanthraquinone, 1,1,
Colorants such as 4-diisopropylaminoanthraquinone, 1,4-diaminoanthraquinone, 1,4-dibutylaminoanthraquinone, 1-amino-4-anilinoanthraquinone, and fragrances for evaporative compositions may be mixed and used.

In the present invention, the pest controlling agent includes:
In order to facilitate the reduction in viscosity and the liquid absorbing property, a fatty acid ester such as isopropyl myristate, isopropyl palmitate and hexyl laurate, and a solvent such as isopropyl alcohol and deodorized kerosene can be used as additives.

Further, in the present invention, the pest control agent is prepared in a solution form or a gel form. As a solvent for preparing the pesticide solution, any of various solvents, typically, an aliphatic solvent, water, and the like can be used.
In particular, aliphatic hydrocarbons (paraffinic hydrocarbons and unsaturated aliphatic hydrocarbons) having a boiling point range of 150 to 350 ° C. are preferable, and those having 10 to 18 carbon atoms are included in the n-paraffins having the above boiling point range. [Dictionary of Organi
c Compounds, 5thed 1982]. Among them, n-paraffin, isoparaffin and the like are particularly suitable because they are practically non-toxic, have no odor, and have a very low risk of fire. Examples of the solvent other than the above include alcohols such as glycerin, propylene glycol, methanol, isopropanol, 1-octanol and 1-dodecanol; ketones such as acetone and acetophenone; ethers such as dihexyl ether and diethylene glycol diethyl ether; and adipic acid. Esters such as dioctyl, diethyl malonate and diethyl phthalate, xylene, chlorcene, chloroform, silicone oil and the like can be exemplified.

The solvent solution of the above pesticide is appropriately determined according to the kind of the pesticide to be used, and is not particularly limited. Usually, the concentration of the pesticide is about 0.5 to 10%.
It is good to prepare so that it may become 3 weight parts, preferably 3-8 weight parts.

In the present invention, the heating means includes a platinum catalyst heating element, a platinum honeycomb catalyst heating element, a chemical reaction heating element, a sheet heater, a bottomless cage heater, a nichrome wire heater, a positive temperature coefficient thermistor, and the like. The surface temperature to 70
A heating element adjusted to １５０150 ° C. can be used. It should be noted that a commercially available electric heater can be used by appropriately modifying the electric resistance, the material of the heat generating portion, the setting of the thermostat, and the like. The surface temperature of the heating means is 70 to 150 ° C., preferably 100 to 140 ° C.
The surface to be heated is heated at 60 to 140 ° C, preferably 90 to 130 ° C.

In the present invention, the state of the heated state may be continuous or intermittent as long as the effect of the present invention is not hindered.

In the present invention, the means for diffusing the evaporated pest control agent is not limited as long as it can be diffused in a heated state. Here, the term "diffusion" refers to carrying the transpiration component outward as far as possible. For example, the diffusion means may be a combination of a heater and a fan, or a combination of a heat conductive member and a fan. Here, the fan is not limited by a propeller, a sirocco, a piezo type, or the like.

[0021]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings, but the present invention is not limited to these embodiments.

FIG. 1 is a longitudinal sectional view showing an embodiment of a pest control apparatus of the present invention, FIG. 2 is a longitudinal sectional view showing another embodiment of the pest control apparatus of the present invention, and FIG. It is a longitudinal cross-sectional view which shows further another embodiment of the insect pest control device of FIG.

In the embodiment shown in FIGS. 1 and 2, a heating means 2 is provided in a vessel 1, and a heat conductive member 3 is provided above the heating means 2 so that heat from the heating means 2 is transmitted. Is provided. The heat conductive member 3 is not limited as long as it is made of a material to which heat is easily transmitted. The heat conductive member 3 has a part that has ventilation to prevent the gas from being blown from the propeller fan 4a, which is the diffusion means 4 provided in the upper part of the body 1. A ventilation section 5 is provided. In FIG. 1, reference numeral 6 denotes a container containing a pesticide 7, reference numeral 8 denotes a liquid-absorbing carrier protruding from the upper part of the container 6, and reference numeral 9 denotes a vaporized pesticide. Is an outside air intake port. Reference numeral 6 in FIG. 2 denotes a container for the insect-controlling agent 7, and 11 denotes the container 6
Reference numeral 9 denotes an outlet for the evaporated pest control agent, and reference numeral 10 denotes an intake for outside air.

In the pest control apparatus thus constructed, the evaporated pest control agent can be efficiently transported to the air requiring the pest control through the outlet 9 while being heated by the heat conductive member 3 and the propeller fan 4a. There are advantages. In addition, since the heat conductive member 3 is used, there is an advantage that the heating state can be maintained without using a separate heater.

In the embodiment shown in FIG. 3, the external appearance is supported by the top surface 1a of the container 1 at a position opposite to the surface to be heated on the upper part of the liquid absorbing carrier 8 in the upper portion of the container 1. A bottomless heating device 2 is provided, and a sirocco fan 4b serving as a diffusion device 4 is provided behind the heating device 2. That is, the heating means 2 has an attachment portion 12a
A heat-insulating insulating plate 12 with a mounting portion 13a, and a heat-insulating insulating frame 13 with a mounting portion 13a therebetween. Fixed at 15. The neck 6a of the container 6 is attached to the attachment 13a below the heating means 2.

In such a pest control apparatus, since the heating means 2 is of an external basket type, the pest control agent which has been ventilated in a heated state while having air permeability can be efficiently passed through the blow-out port 9. Can be transported in the air where it is necessary. In addition, since the heating means 2 has a cage type appearance, the upper part of the liquid-absorbent carrier 8 can be heated uniformly.

[0027]

The pest control method and pest control device of the present invention are constructed as described above, and can efficiently remove cockroaches, fleas, ticks and other pests lurking in places where the pest control agent is difficult to reach. In addition to being able to control, dirt on the body can be reduced.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing one embodiment of a pest control device of the present invention.

FIG. 2 is a longitudinal sectional view showing another embodiment of the pest control device of the present invention.

FIG. 3 is a longitudinal sectional view showing still another embodiment of the pest control device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container body 2 Heating means 4 Diffusion means 6 Container 8 Absorbent carrier 9 Outlet 10 Inlet

Claims (3)

[Claims] 1. A method for controlling pests, which comprises forcibly diffusing a pest control agent evaporated by heating toward the air where pest control is required in a heated state to control pests. 2. An outlet for a transpired pest control agent (9).
A container (6) for a pesticidal agent is provided in a container (1) provided with an air intake (10) and an air inlet (10), and the liquid absorbing carrier ( 8)
And a heating means (2) is provided above the liquid-absorbing carrier (8), and the pest control agent evaporated by the heating means (2) is heated from the outlet (9) while being heated. A pest control device, wherein a diffusion means (4) capable of diffusing is provided on the vessel (1). 3. An outlet for the evaporated pest control agent (9).
A container (6) for a pesticide is provided in a vessel (1) provided with an air inlet (10) and an air inlet (10), and the pesticide evaporating from the transpiration surface of the container (6) is heated. A pest control device, wherein a diffusion means (4) capable of diffusing from the outlet (9) in the state is provided in the vessel (1).