JP2012000106A - Pest control net - Google Patents

Abstract

The present invention provides a pest control net that can be produced at low cost and can exhibit satisfactory and excellent pest control effects.
In a pest control net formed by knitting or weaving resin yarns so as to form a large number of meshes 3, both a first resin yarn 1 and a second resin yarn 2 are used as resin yarns. In use, the first resin yarn 1 contains a pest control component and the second resin yarn 2 contains an insect growth control agent component.
[Selection] Figure 2

Description

  The present invention relates to a pest control net constituting, for example, a mosquito net or a screen door.

  Pest control nets composed of resin yarns containing a pest control component are disclosed in Patent Documents 1 and 2, for example.

JP 2008-13508 A JP-A-8-163950

  By the way, in order to obtain a pest control net having a better pest control effect, it is conceivable to carry more pest control components on the insect repellent fibers forming the net. However, there is a limit to the amount of the pest control component that can be stably supported on one fiber. In addition, when the amount of the pest control component loaded is large, the amount of the pest control component removed by washing or the like increases, so that the pest control effect can be enhanced to meet the increased amount of the pest control component. There may be no aftereffect.

  An object of the present invention is to provide a pest control net that can be produced at low cost and that can exhibit a satisfactory and excellent pest control effect.

  The present invention provides a pest control net formed by knitting or weaving a resin yarn so as to form a large number of meshes, and the first resin yarn and the second resin yarn are both used as the resin yarn. The first resin yarn contains a pest control component, and the second resin yarn contains an insect growth control agent component.

  According to the pest control net of the present invention, an excellent pest control effect can be exhibited.

  Moreover, according to the pest control net of the present invention, the first resin yarn contains the pest control agent component and the second resin yarn contains the insect growth control agent component. Each of the yarn and the second resin yarn can be manufactured at a lower cost than the resin yarn containing both the pest control component and the insect growth control agent component, and the first resin yarn and the second resin yarn Depending on the purpose, various grades of pest control nets can be produced depending on the proportion of the resin yarn and the knitting / weaving method.

It is a figure which shows an example of the knitting structure of the pest control net | network of this invention. It is a figure which shows an example of the woven structure of the pest control net | network of this invention.

  The pest control net of the present invention is formed by knitting or weaving resin yarns so as to form a large number of meshes. In the present invention, both the first resin yarn and the second resin yarn are used as the resin yarn. The first resin yarn contains a pest control component. The second resin yarn contains an insect growth control agent component. In place of the resin yarn, a yarn made of a fiber material such as natural fiber or glass fiber may be used. Examples of natural fibers include pulp, cellulose, cotton, and hair.

  The net of the present invention has a knitted structure when it is knitted and has a woven structure when it is woven. FIG. 1 shows an example of a knitted structure, and FIG. 2 shows an example of a woven structure.

  Whether the net of the present invention has a knitted structure or a woven structure, each mesh is preferably composed of a first resin thread and a second resin thread. For example, the knitting structure of FIG. 1 is configured by using the first resin yarn 1 and the second resin yarn 2 as warp yarns and alternately, and knitting them. Therefore, each mesh 3 is surrounded by the first resin yarn 1 and the second resin yarn 2. The woven structure of FIG. 2 is configured by using the first resin yarn 1 as the warp and the second resin yarn 2 as the weft and weaving them. Therefore, each mesh 3 is surrounded by the first resin yarn 1 and the second resin yarn 2. The net of the present invention preferably has a knitted structure.

  The size of the mesh is appropriately set according to the length of the pest to be controlled, and it is preferable that the size of the mesh be in contact with the net when trying to pass through the net. In general, the mesh size (hole size) is in the range of 1 to 5 mm, preferably 2 to 4 mm.

  As the resin component constituting the first resin yarn and / or the second resin yarn, a thermoplastic resin is usually used. As the thermoplastic resin, polyolefin resin, polyvinyl alcohol, polyvinyl acetate, polycarbonate, polyester, polyamide, polystyrene, polymethyl methacrylate, acrylonitrile-butadiene-styrene copolymer, polyvinyl chloride, or the like can be used.

In addition, as a thermoplastic resin, polyolefin resin is preferable. As the polyolefin resin, the following compounds are preferable.
(I) Homopolymer of α-olefin: For example, polyethylene, polypropylene and the like.
(Ii) ethylene-α-olefin copolymer: for example, ethylene-propylene copolymer, ethylene-butene-1 copolymer, ethylene-4-methyl-1-pentene copolymer, or ethylene-hexene copolymer Such.
(Iii) Copolymer of an organic carboxylic acid derivative having an ethylenically unsaturated bond and ethylene: for example, ethylene-methyl methacrylate copolymer, ethylene-vinyl acetate copolymer, ethylene-acrylic acid copolymer, or ethylene -Vinyl acetate-methyl methacrylate copolymer and the like.

  In the first resin yarn, the pest control component is preferably kneaded in the resin yarn from the viewpoint of residual effect. In this case, the first resin yarn can be manufactured as follows. That is, a resin component and a pest control component are mixed, melt-kneaded using a single screw extruder, and formed into pellets. Then, a resin yarn is spun from the pellet. Thereby, a pest control agent component will disperse | distribute and exist in a resin thread | yarn. Accordingly, in the first resin yarn, the pest control component is bleed on the surface of the yarn, and the pest comes into contact with the pest control component on the surface of the yarn, thereby exhibiting the pest control effect.

  The first resin yarn usually contains 0.01 to 50% by weight, preferably 0.1 to 25% by weight of a pest control component.

  In the first resin yarn, the pest control component may be coated on the surface of the resin yarn. Even in this case, the pest control effect is exhibited when the pest comes into contact with the pest control component on the yarn surface. As a method for performing the coating in this case, for example, a pest control component, as it is or by dissolving it in a solvent such as alcohol, the resin yarn surface is immersed, sprayed, or applied, Can be mentioned.

  In the second resin yarn, the insect growth controlling agent component is preferably kneaded into the resin yarn from the viewpoint of residual effect. In this case, the second resin yarn can be manufactured as follows. That is, the resin component and the insect growth control agent component are mixed, melt-kneaded using a single screw extruder, and formed into pellets. Then, a resin yarn is spun from the pellet. As a result, the insect growth controlling agent component is present dispersed in the resin yarn. Therefore, in the second resin yarn, the insect growth control agent component bleeds on the surface of the yarn, and the pest comes in contact with the insect growth control agent component on the surface of the yarn, thereby causing the pest by the pest control agent component of the first resin yarn. The effect of increasing the control effect is exhibited.

  The second resin yarn usually contains 0.001 to 50% by weight, preferably 0.01 to 25% by weight, of an insect growth control agent component.

  In the second resin yarn, the insect growth control agent component may be coated on the surface of the resin yarn. Even in this case, when the pest comes into contact with the insect growth control agent component on the surface of the yarn, the effect of enhancing the pest control effect by the pest control component of the first resin yarn is exhibited. As a method of coating in this case, for example, there is a method of immersing, spraying, or coating the resin yarn surface with the insect growth controlling agent component as it is or by dissolving it in a solvent such as alcohol. .

  The first resin yarn and / or the second resin yarn is preferably a monofilament having a predetermined thickness. According to this, knitting work and weaving work become easy. In this case, the “predetermined thickness” is a thickness capable of maintaining the strength as a pest control net. In general, when the first resin yarn and / or the second resin yarn is a monofilament, it is preferable to use a monofilament in the range of 50 to 350 denier.

  Moreover, you may use a tape-shaped thing as a 1st resin thread and / or a 2nd resin thread. According to this, in the net of the present invention, a mosaic pattern is formed by the first resin thread and the second resin thread.

  As the pest control component, a pyrethroid compound is preferable. Examples of pyrethroid compounds include acrinathrin, allethrin, d-arethrin, dd-arethrin, beta-cyfluthrin, bifenthrin, cycloprotorin, cythruthrin (cyfluthrin) cyhalothrin, cypermethrin, dimethylfluthrin, empentrin, deltamethrin, teralesrine, teflutrin, esfenvalerate, ethofenphenate. proprathrin, fenvalerate, flucitrinate, flufenprox, flumethrin, fluvalinate, fluvaline, profluthrin, fenfenproline. , Permethrin, benfluthrin, praretrin, pyrethrins, resmethrin, d-resmethrin, sigma-cypermethrin, silaflufen ), Tefluthrin, tralomethrin, transfluthrin, tetramethrin, d-tetramethrin, phenothrin, d-phenothrin, cyphenothrin (cyphenthrin) ), Sialpha cypermethrin, zeta-cypermethrin, lambda-cyhalothrin, gamma-cyhalothrin, furamethrin, taufulvalinate, taufulvalinate Meto Flutrin, natural pyrethrin, and the like can be mentioned, and permethrin, deltamethrin, or alpha cypermethrin is particularly preferable.

  These pyrethroid compounds can be used alone or in combination of two or more. Some of the above compounds have optical isomers, stereoisomers, geometric isomers and the like, but the pyrethroid compounds of the present invention include active isomers and mixtures thereof.

  Alternatively, as the pest control component, for example, a neonicotinoid compound, a carbamate compound, an organic phosphorus compound, a phenylpyrazole compound, a pyrrole compound, or an oxadiazine compound may be used. In addition, as a neonicotinoid type compound, clothianidin (clothianidin) is preferable.

  Specific examples of the insect growth regulator component include juvenile hormone active compounds and chitin synthesis inhibitors.

  Examples of the juvenile hormone active compound include pyriproxyfen, metoprene, hydroprene, phenoxycarb, and the like.

  Examples of chitin synthesis inhibitors include etoxazole, chlorfluazuron, fluazuron, triazuron, novallon, hexaflumuron, diflubenzuron, cyromazine, flufenoxuron, teflubenzuron, triflumuron, flucycloxuron, hydroprene, lufenuron, nobiflumuron, bistrin Examples include fullon.

  The insect growth regulator is preferably pyriproxyfen or metoprene.

  In the pest control net of the present invention, the approaching pest touches the first resin thread 1 and the second resin thread 2 when trying to pass through the mesh 3. In particular, when the mesh 3 is surrounded by the first resin yarn 1 and the second resin yarn 2, the pests can be surely and at once at the first resin yarn 1 and the second resin yarn 2. Touch. In addition, the pest touches the first resin thread 1 and the second resin thread 2 at once and reliably when walking on the net or resting on the net. At this time, the pest contacts the pest control component on the surface of the first resin yarn 1 and contacts the insect growth control agent component on the surface of the second resin yarn 2. For this reason, a pest receives a high pest control effect compared with the case where it contacts only a pest control agent component. Therefore, pests are reliably controlled.

  As described above, according to the pest control net of the present invention, the pest is brought into contact with the pest control component of the first resin yarn and the insect growth control agent component of the second resin yarn, thereby preventing the pest. Since a high pest control effect can be exerted, a satisfactory and excellent pest control effect can be exhibited.

In the pest control net of the present invention, the first resin yarn contains a pest control agent component, but does not contain an insect growth control agent component, and the second resin yarn contains an insect pest control component. It contains a growth control agent component, but does not contain a pest control component. Therefore, the following effects can be exhibited.
(1) Each of the first resin yarn and the second resin yarn can be manufactured at a lower cost than a resin yarn containing both a pest control agent component and an insect growth control agent component. Therefore, the pest control net of the present invention can be manufactured at low cost.
(2) Each of the first resin yarn and the second resin yarn has a pest control component and an insect growth control as compared with a resin yarn containing both a pest control component and an insect growth control component. Each of the agent components can be contained at a high concentration.
(3) Since each of the first resin yarn and the second resin yarn contains only one of the insecticide component and the insect growth control agent component, it is optimal for each of the insecticide component and the insect growth control agent component. A resin that is a suitable carrier can be selected. Therefore, the pest control net of the present invention has a high degree of freedom in product design as compared to the case where a resin yarn containing both an insecticide component and an insect growth control agent component is used.

  In addition, when the pest control component is kneaded in the first resin yarn, the pest control component can be gradually bleed on the yarn surface, so that the sustainability of the pest control effect can be improved. In addition, when the insect growth regulator component is kneaded in the second resin yarn, the insect growth regulator component can be gradually bleed on the yarn surface, so that the effect of the insect growth regulator component can be sustained. It can be improved.

  Examples of the usage pattern of the pest control net of the present invention include mosquito nets, screen doors, insect screens, etc., and mosquito nets and screen doors are particularly preferable.

  Moreover, as a utilization form of the pest control net | network of this invention, parts for housings, such as a wallpaper, a race, a curtain, a flooring, can be mentioned, Especially, the wallpaper for indoor installation, a race, and a curtain are preferable. Furthermore, insect-proof products such as mats for pets and livestock can be mentioned.

According to the pest control net of the present invention, for example, pests such as harmful insects and harmful mites can be controlled. Specific examples of such pests include the following.
Anopheles mosquitoes such as An. Gambiae, An. Arabiensis, An. Funestus, An. Melas, An. Minimus, An. Dirus, An, stephensi, An. Sinensis, An. Anthropophagus, etc.
Cx. Pipiens pipiens, Cx. Quinquefasciatus, Cx. Pipiens pallens, Cx. Pipiens f. Molestus, Cx. Restuans, Cx. Tarsalis, Cx. Modestus, Cx. Tritaeniorhynchus, etc.
Aedes aegypti, Ae. Albopictus, Ae. Japonicus, Ae. Vexans, mosquitoes of the genus Aedes.
-Abs, flies, flyfish, sand flies, tuna flies, tsetse flies, chironomids, fleas, lices, bed bugs, sand turtles, ants, termites, ticks, ticks, etc.

In addition, when a pest contacts the pest control net | network of this invention, specifically, the following pest control effects are exhibited.
(1) Blood sucking by pests can be prevented.
(2) Pests can be sterilized.
(3) It can inhibit hatching of pest eggs.
(4) It is possible to inhibit the second and subsequent blood sucking of pests.
(5) Pest life can be shortened.
(6) The population density of pests can be reduced by the effects described above.
(7) Propagation of pathogens to human livestock can be prevented by the blood sucking inhibition effect described above.
(8) When a pest mediates an infectious disease, the above-mentioned effects can dramatically reduce the pest's ability to transmit infectious diseases. Therefore, when the pest control material of the present invention is used throughout a predetermined area, infectious diseases in the area can be eradicated.
(9) The above-described effects are excellent even for pests having kdr factor and / or pyrethroid resistance of metabolic system.
(10) It can control not only human infections but also livestock infections.

  Each of the first resin yarn and the second resin yarn may include a synergist, a neonicotinoid compound, an insecticide such as a carbamate compound or an organophosphorus compound, an antioxidant, a fungicide, Antibacterial agent, pigment, fragrance, deodorant, spreading agent, UV absorber, light stabilizer, lubricant, anti-blocking agent, antistatic agent, surfactant, filler, refractory agent, plasticizer, or prevention You may contain compounding agents, such as a rust agent.

As a synergist, the following are mentioned, for example.
Α- [2- (2-butoxyethoxy) ethoxy] -4,5-methylenedioxy-2-propyltoluene [piperonylbutoxide (PBO)]
N- (2-ethylhexyl) -1-isopropyl-4-methylbicyclo (2,2,2) oct-5-ene-2,3-dicarboximide [Sinepirine 500]
・ Butyl stearate ・ Bis- (2,3,3,3-tetrachloropropyl) ether [S-421]
N- (2-ethylhexyl) bicyclo [2.2.1] hept-5-ene-2,3-dicarboximide [MGK264]

  Examples of the pest control net of the present invention will be described below. The present invention is not limited to these examples.

[First embodiment]
The pest control net of this example has the knitting structure shown in FIG. 1 and is manufactured as follows.
(1) Preparation of first resin yarn 1 96 parts by weight of polyethylene, 2 parts by weight of amorphous silica, and 2 parts by weight of one pyrethroid compound selected from the group consisting of permethrin, deltamethrin, and alpha cypermethrin After stirring and mixing, the mixture is melt kneaded using a single screw extruder. And 60 kg of cylindrical pellets are shape | molded from the obtained mixture. Then, the first resin yarn 1 is spun from a 20 kg pellet. The first resin yarn 1 is a monofilament and has a thickness of 190 denier.
(2) Preparation of second resin yarn 2 96 parts by weight of polyethylene, 2 parts by weight of amorphous silica, and 2 parts by weight of pyriproxyfen or metoprene were stirred and mixed, and then melted using a single screw extruder. Knead. And 60 kg of cylindrical pellets are shape | molded from the obtained mixture. Then, the second resin yarn 2 is spun from the 20 kg pellet. The second resin yarn 2 is a monofilament and has a thickness of 190 denier.
(3) Production of Net The first resin yarn 1 and the second resin yarn 2 are both used as warp yarns and alternately, and these are knitted to produce a net. The size of the mesh 3 is set so that L1 is about 2 mm and W1 is about 2.5 mm.

[Second Embodiment]
The pest control net of this example has the woven structure shown in FIG. 2 and is produced as follows.
(1) Preparation of first resin yarn 1 94 parts by weight of polyethylene, 3 parts by weight of amorphous silica, and 3 parts by weight of one pyrethroid compound selected from the group consisting of permethrin, deltamethrin, and alpha cypermethrin After stirring and mixing, the mixture is melt kneaded using a single screw extruder. And 60 kg of cylindrical pellets are shape | molded from the obtained mixture. Then, the first resin yarn 1 is spun from a 20 kg pellet. The first resin yarn 1 is a monofilament and has a thickness of 190 denier.
(2) Preparation of second resin yarn 2 After 94 parts by weight of polyethylene, 3 parts by weight of amorphous silica, and 3 parts by weight of pyriproxyfen or metoprene were mixed with stirring, they were melted using a single screw extruder. Knead. And 60 kg of cylindrical pellets are shape | molded from the obtained mixture. Then, the second resin yarn 2 is spun from the 20 kg pellet. The second resin yarn 2 is a monofilament and has a thickness of 190 denier.
(3) Production of Net Using the first resin yarn 1 as the warp, using the second resin yarn 2 as the weft, weaving the warp and the weft to produce the net. The size of the mesh 3 is set so that L2 is about 2 mm and W2 is about 4 mm.

[Third embodiment]
The pest control net of this example has a woven structure and is manufactured as follows.
(1) Preparation of first resin yarn 4.0 parts by weight of amorphous silica, 8.2 parts by weight of one pyrethroid compound selected from the group consisting of permethrin, deltamethrin, and alpha cypermethrin, and zinc stearate 2.6 parts by weight and 0.1 part by weight of BHT are mixed with stirring, and then 85.1 parts by weight of polyethylene is added and melt-kneaded using a single screw extruder. And a cylindrical pellet is shape | molded from the obtained mixture. Next, 50.0 parts by weight of the obtained pellets and 50.0 parts by weight of polyethylene are melt-kneaded. Then, the first resin yarn is spun from the obtained mixture at a processing temperature of 200 ° C. The first resin yarn is a monofilament and has a thickness of 190 denier.
(2) Preparation of Second Resin Yarn 4.0 parts by weight of amorphous silica, 8.2 parts by weight of pyriproxyfen or methoprene, 2.6 parts by weight of zinc stearate, and 0.1 part by weight of BHT Then, 85.1 parts by weight of polyethylene is added and the mixture is melt-kneaded using a single screw extruder. And a cylindrical pellet is shape | molded from the obtained mixture. Next, 50.0 parts by weight of the obtained pellets and 50.0 parts by weight of polyethylene are melt-kneaded. Then, the second resin yarn is spun from the obtained mixture at a processing temperature of 200 ° C. The second resin yarn is a monofilament and has a thickness of 190 denier.
(3) Production of Net A net is produced by using the first resin yarn and the second resin yarn as warp yarns, using the first resin yarn as weft yarns, and weaving warp yarns and weft yarns. The warp yarns are arranged at intervals of about 2.5 mm. Wefts are arranged at intervals of about 4.0 mm. In the warp yarn, a cycle in which three second resin yarns are arranged in succession and one first resin yarn is arranged is repeated.

[Fourth embodiment]
The pest control net of this example has a woven structure and is manufactured as follows.
(1) Preparation of first resin yarn 4.0 parts by weight of amorphous silica, 8.2 parts by weight of one pyrethroid compound selected from the group consisting of permethrin, deltamethrin, and alpha cypermethrin, and zinc stearate 2.6 parts by weight and 0.1 part by weight of BHT are mixed and stirred, and then 85.1 parts by weight of polyethylene is added and melt kneaded using a single screw extruder. And a cylindrical pellet is shape | molded from the obtained mixture. Next, 50.0 parts by weight of the obtained pellets and 50.0 parts by weight of polyethylene are melt-kneaded. Then, the first resin yarn is spun from the obtained mixture at a processing temperature of 200 ° C. The first resin yarn is a monofilament and has a thickness of 190 denier.
(2) Preparation of second resin yarn 4.1 parts by weight of amorphous silica, 4.2 parts by weight of pyriproxyfen or methoprene, 2.6 parts by weight of zinc stearate, and 0.1 part by weight of BHT Then, 89.0 parts by weight of polyethylene is added, and the mixture is melt-kneaded using a single screw extruder. And a cylindrical pellet is shape | molded from the obtained mixture. Next, 50.0 parts by weight of the obtained pellets and 50.0 parts by weight of polyethylene are melt-kneaded. Then, the second resin yarn is spun from the obtained mixture at a processing temperature of 200 ° C. The second resin yarn is a monofilament and has a thickness of 190 denier.
(3) Production of Net A net is produced by using the first resin yarn and the second resin yarn as warp yarns, using the first resin yarn as weft yarns, and weaving warp and weft yarns. The warp yarns are arranged at intervals of about 2.5 mm. Wefts are arranged at intervals of about 4.0 mm. In the warp yarn, a cycle in which three second resin yarns are arranged in succession and one first resin yarn is arranged is repeated.

[Fifth embodiment]
The pest control net of this example has the knitting structure shown in FIG. 1 and is manufactured as follows.
(1) Preparation of first resin yarn 1 4.0 parts by weight of amorphous silica, 8.2 parts by weight of one pyrethroid compound selected from the group consisting of permethrin, deltamethrin, and alpha cypermethrin, and stearic acid 2.6 parts by weight of zinc and 0.1 part by weight of BHT are mixed with stirring, and then 85.1 parts by weight of polyethylene are added and melt-kneaded using a single screw extruder. And a cylindrical pellet is shape | molded from the obtained mixture. Next, 50.0 parts by weight of the obtained pellets and 50.0 parts by weight of polyethylene are melt-kneaded. Then, the first resin yarn is spun from the obtained mixture at a processing temperature of 200 ° C. The first resin yarn is a monofilament and has a thickness of 195 denier.
(2) Preparation of second resin yarn 2 4.0 parts by weight of amorphous silica, 8.2 parts by weight of pyriproxyfen or methoprene, 2.6 parts by weight of zinc stearate, and 0.1 parts by weight of BHT Is stirred and mixed, and then 85.1 parts by weight of polyethylene is added and melt kneaded using a single screw extruder. And a cylindrical pellet is shape | molded from the obtained mixture. Next, 50.0 parts by weight of the obtained pellets and 50.0 parts by weight of polyethylene are melt-kneaded. Then, the second resin yarn is spun from the obtained mixture at a processing temperature of 200 ° C. The second resin yarn is a monofilament and has a thickness of 195 denier.
(3) Production of net The first resin yarn and the second resin yarn are both used as warp yarns and alternately, and these are knitted to produce a net. The size of the mesh 3 is set so that L1 is about 2 mm and W1 is about 2.5 mm.

[Sixth embodiment]
The pest control net of this example has the woven structure shown in FIG. 2 and is produced as follows.
(1) Preparation of first resin yarn 1 After 94 parts by weight of polyethylene, 3 parts by weight of amorphous silica, and 3 parts by weight of clothianidin are stirred and mixed, they are melt-kneaded using a single screw extruder. And 60 kg of cylindrical pellets are shape | molded from the obtained mixture. Then, the first resin yarn 1 is spun from a 20 kg pellet. The first resin yarn 1 is a monofilament and has a thickness of 190 denier.
(2) Preparation of second resin yarn 2 After 94 parts by weight of polyethylene, 3 parts by weight of amorphous silica, and 3 parts by weight of pyriproxyfen or metoprene were mixed with stirring, they were melted using a single screw extruder. Knead. And 60 kg of cylindrical pellets are shape | molded from the obtained mixture. Then, the second resin yarn 2 is spun from the 20 kg pellet. The second resin yarn 2 is a monofilament and has a thickness of 190 denier.
(3) Production of Net Using the first resin yarn 1 as the warp, using the second resin yarn 2 as the weft, weaving the warp and the weft to produce the net. The size of the mesh 3 is set so that L2 is about 2 mm and W2 is about 4 mm.

[Reference example]
A monofilament is spun from polyethylene at a processing temperature of 240 ° C. Then, the obtained resin yarn is knitted so as to form a large number of meshes, thereby producing a net. The mesh size is set so that the number of holes per 6.45 cm ² is 100.

[Test example]
A 25 cm × 25 cm section is cut out as a test sample from the pest control net of the first example. On the other hand, also from the net of the reference example, a 25 cm × 25 cm section is cut out as a reference sample. And the blood-absorption rate of pyrethroid-resistant Anopheles gambiae in the case of using each sample is calculated | required by the tunnel test as described in the following reference. The blood absorption rate is calculated by the equation (a). Furthermore, the blood sucking inhibition rate for the test sample is determined. The blood sucking inhibition rate is calculated by the equation (b). As a result, it can be confirmed that the pest control net of the present invention exhibits an excellent pest control effect.

(References)
WHOPES (2005), Guidelines for laboratory and field testing of long-lasting
insecticidal mosquito nets, WHO / CDS / WHOPES / GCDPP / 2005.11 Geneva, WHO.

  The pest control net of the present invention can be manufactured at a low cost, and can exhibit a satisfactory and excellent pest control effect, and thus has great industrial utility value.

  DESCRIPTION OF SYMBOLS 1 1st resin thread 2 2nd resin thread 3 Mesh

Claims (11)

In a pest control net formed by knitting or weaving resin yarns so as to form a large number of meshes,
As the resin thread, the first resin thread and the second resin thread are used together,
The first resin yarn contains a pest control component;
The second resin yarn contains an insect growth regulator component;
A pest control net characterized by that.   The pest control net according to claim 1, wherein each mesh is composed of a first resin thread and a second resin thread.   The pest control net according to claim 1 or 2, wherein the pest control component is kneaded in the first resin yarn.   The insect pest control net according to any one of claims 1 to 3, wherein the insect growth control agent component is kneaded in the second resin yarn.   The pest control net according to claim 1, 2, or 4, wherein the pest control component is coated on the surface of the first resin yarn.   The pest control net according to claim 1, 2, 3, or 5, wherein the insect growth control agent component is coated on the surface of the second resin yarn.   The pest control net according to any one of claims 1 to 6, wherein the pest control component is a pyrethroid compound.   The pest control net according to any one of claims 1 to 6, wherein the pest control component is permethrin.   The pest control net according to any one of claims 1 to 8, wherein the insect growth regulator component is pyriproxyfen.   The pest control net according to any one of claims 1 to 9, wherein the first resin yarn and / or the second resin yarn is made of polyethylene.   The pest control net according to any one of claims 1 to 10, wherein the first resin yarn and / or the second resin yarn is a monofilament.

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