ITTO970632A1 - POISONED LURE FOR THE CONTROL OF HARMFUL INSECTS. - Google Patents

Description

DESCRIPTION of the industrial invention entitled: "POISONED BAIT FOR THE CONTROL OF WALNUT-VI INSECTS",

DESCRIPTION

BACKGROUND OF THE INVENTION

1. Field of the invention

The present invention relates to a poisoned bait for the control of harmful insects, in particular cockroaches.

2. DESCRIPTION OF THE RELATIVE ART

Known methods for the control of harmful insects, such as cockroaches, are normally based on the use of a poisoned bait containing an active ingredient such as insecticide, but the control effect on harmful insects is currently not sufficient, since the property of stimulating the appetite of pests is not necessarily good.

SUMMARY OF THE INVENTION

To make sufficient; the pest control effect with poison bait, the present inventor has long investigated how to develop a poison bait that is favorably ingested by pests. As a result, he found that the pest's appetite-stimulating property for poisoned bait is enhanced if the poisoned bait contains fermented milk. The present invention has thus been completed.

The present invention provides a poisoned bait for pest control, including fermented milk. The poisoned bait also preferably comprises at least one active ingredient as an insecticide.

The present invention also provides a poisoned bait for controlling pests, comprising:

(a) an insecticidal effective amount of at least one insecticide active ingredient;

(b) an effective amount of fermented milk, e

(c) at least one product selected from the group consisting of wheat powder, sugar and dextrin.

The present invention further provides a method for improving the pest appetite stimulating property of a poison bait for pest control, which includes adding fermented milk to the poison bait for pest control.

The present invention also provides a pest control method, which includes the use of the poisoned bait of the present invention.

The present invention further provides the use of fermented milk as an agent for improving the appetite stimulating property of pests in a poison bait for pest control.

BRIEF DESCRIPTION OF THE DRAWINGS

1 is an explanatory diagram illustrating a suitable technique for using a liquid poison bait to control pests.

DETAILED DESCRIPTION OF THE INVENTION

The poison bait for pest control according to the present invention, hereinafter referred to as "the present poison bait" has an excellent effect on pest control due to the excellent attraction it exerts on pests, particularly cockroaches, and the improved property of stimulating their appetite.

The insecticidal active ingredient employed in the present invention must not only be active as an insecticide such as a pyrethroid compound, an organophosphorous compound, a carbamate, an N-aryldiazole, a hydrazone, a sulfonamide, a natural insecticide component or boric acid, but also an insect growth regulator, such as a juvenile hormone substance and chitin synthesis inhibitor, or a mixture thereof.

In the following, specific examples of active ingredients as insecticides will be given, but their active isomers and a mixture of these isomers may also be employed.

(1) 5-benzyl-3-furylmethyl cryysanthemate

(2) 3,4,5,6-tetrahydrophthalimidomethyl chrysanthemum (3) 3-phenoxybenzyl chrysanthemum

(4) 3-phenoxybenzyl-3- (2,2-dichlorovinyl) -2,2-dimethyl cyclopropan carboxylate

(5) 2-methyl-4-oxo-3- (2-propenyl) cyclopent-2-enyl chrysanthemum

(6) 1-ethynyl-2-methyl-2-pentenyl chrysanthemum

(7) 2-methyl-4-oxo-3- (2-propini1) cyclopent-2-enyl chrysanthemum

(8) a-cyano-3-phenoxybenzyl chrysanthemum

(9) 2-methyl-4-oxo-3- (2-propenyl) cyclopent-2-enyl-2,2,3,3-tetramethyl cyclopropan carboxylate

(10) 2,3,5,6-tetrafluoro-4-methylbenzyl-3- (2,2-dichlorovinyl) -2,2-dimethylcyclopropan carboxylate (11) 2,3,5,6-tetrafluorobenzyl-3- (2 , 2-dichlorovinyl} -2,2-dimethylcyclopropan carboxylate

(12) a-cyano-3-phenoxybenzyl-2, 2-dimethyl-3- (1,2,2, 2-tetrabromoethyl) cyclopropan carboxylate.

(13) oc-cyano-3-phenoxybenzyl-2- (4-chlorophenyl) -3-methylbu tyrrate

(14) a-cyano-3-phenoxybenzyl-2, 2, 3, 3-tetramethyl cyclopropan carboxylate.

(15) a-cyano-3-phenoxybenzyl-3- (2,2-dichlorovinyl) -2, 2-dimethylcyclopropan carboxylate

(16) a-cyano-3-phenoxybenzyl-2- (2-chloro-4-trifluoromethylanilino) -3-butylbutyrate

(17) 2- (4-ethoxyphenyl) -2-methylpropyl-3-phenoxybenzyl ether

(18) 0,0-dimethyl-O- (3-methyl-4-nitrophenyl) phosphorothioate

(19) 2,2-dichlorovinyl dimethyl phosphate

(20) O, O-diethyl-O- (2-isopropyl-6-methyl-4-pyrimidinyl) phosphorothioate

(21) (E) -0-2-isopropoxycarbonyl-1-methylvinyl-0-methylethyl phosphoramide thioate

(22) Ο, Ο-diethyl 0- (3,5,6-trichloro-2-pyridinyl) phosphorothioate

(23) 0,0-dimethyl-0- (3,5,6-trichloro-2-pyridinyl) phosphorothioate

(24) S-6-chloro-2,3-dihydro-2 ÷ 1,3-oxazole [4,5-b] pyridine-3-yl-methyl-0,0-dimethyl phosphorothioate (25) 5- methoxy-3- (2-methoxyphenyl) -1,3,4-oxadiazol -2 (3H) -one

(26) 2- (1-methylethoxy) phenyl methyl carbamate

(27) 1-naphthylmethyl carbamate

(28) 4- (2-bromo-1,2,2-tetrafluoroethyl) -1- (3-chloro -5-trifluoromethylpyridin-2-yl) -2-methyl imidazole (29) tetrahydro-5,5- dimethyl-2 (1H) -pyrimidinon [3- [4- (trifluoromethyl) phenyl] -1- [2- [4- (trifluoromethyl) phenyl] ethenyl] -2-propenylidene], hydrazone

(30) N-ethyl perfluorooctane sulfonamide

(3.1) avermectin

(32) boric acid

(33) 2- [1-methyl-2- (4-phenoxyphenoxy) ethoxy] pyridine

(34) isopropyl-ll-methoxy-3,7,11-trimethyl dodeca-2,4-dienoate

(35) ethyl-3,7, 11-trimethild & eca -2,4-dienoate (36) 1- (4-chlorophenyl) -3- (2,6-difluorobenzoyl) urea (37) 1- (3,5-dichloro -2,4-diflporophenyl) -3- (2,6-difluorobenzoyl) urea

(38) 1- (4-trifluoromethoxyphenyl) -3- (2-fluorobenzoyl) urea

(39) N-cyclopropyl-1,3,5-triazin-2,4,6-triamine (40) 2-t-butylimino-3-isopropyl-5-phenylperhydro-1,3,5-thiadiazin-4-one ;

The amount of insecticide active ingredient contained in the present poison bait is an effective insecticide amount, and varies depending on the type of insecticide active ingredient. In general, the amount is between 0.05 and 10% by weight with respect to the weight of the present poisoned bait. It is also possible to improve the control effect on pests by adding a synergistic product such as a- [2- (2-butoxy ethoxy) ethoxy] -4,5-methylenedioxy-2-propyltoluene, octachlorodipropyl ether, isobornyl thiocyanate acetate or N- (2-ethylhexyl) bicyclo [2.2.1] hept-5-ene -2,3-dicarboxyimide.

The fermented milk used in the present invention is not only that obtained by fermenting cow's milk or other milk as a starting product with the use of lactic acid bacteria and / or yeast, but also processed products and beverages which include milk as a source of main starting product for improving the appetite stimulating property of pests, for example drinks fermented with lactic acid bacteria.

Fermented milk obtained by lactic acid fermentation is referred to as "sour milk", and examples thereof include yogurt, whey and acidophilic milk. Fermented milk is obtained by fermentation with lactic acid and alcoholic fermentation due to the action of lactic acid bacteria and fermentable lactose with yeast is referred to as "alcoholic fermented milk", and its examples include "kefir, and koumiss". These fermented milks can be those obtained not only using whole milk but also skimmed milk as a starting product.

The lactic acid fermented beverage is normally produced by treating sour milk or using it as the main starting product, and is classified into three types as dairy live lactic fermentation beverage (type Yakult <®>), dairy sterilized lactic fermentation beverage Calpis type and non-dairy product. Various products such as plain ones and those containing fruit juices have been developed - and placed on the market. '

In the case of fermented milk obtained by fermenting cow's milk as a starting product with the use of lactic acid bacteria, the content of non-fat solids in the milk is normally not less than 8.0% and the number of viable cells of lactic acid is normally not less than 10 million per 1 ml: In the case of the lactic fermentation drink obtained using this product as the main starting product, there is a content of non-fat solids in the milk normally between 3.0 and 8.0 and a number of viable lactic acid bacteria cells normally not less than 10 million per 1 ml (except those obtained by thermal sterilization after fermentation).

Examples of lactic acid bacteria used for the production of fermented milk include Streptococcus lactis, S. ther 'mophilus and Lactobacillus bulgaricus. Examples of lactose fermentation yeast include yeasts that belong to the Saccharomyces and Torula.

The use of fermented milk is effective in enhancing the appetite-stimulating property of pests, particularly cockroaches, for poisoned baits. The present poison bait comprises fermented milk in an amount effective to improve the appetite stimulating property of pests, normally from 9.95 to 94% by weight.

The present poisoned bait normally comprises at least one product selected from the group consisting of cereal powder, sugar and dextrin in an amount from 5 to 95% by weight.

Examples of grain powders include starch such as corn starch, potato starch and sweet potato starch, wheat flour, rice flour, corn flour and potato flour. Examples of sugar include sucrose, glucose, granulated sugar, fructose, lactose, raw sugar, red sugar, and San-on sugar. Examples of dextrins include those obtained by hydrolyzing corn starch, potato starch, sweet potato starch, wheat starch and rice starch using acid, heat or amylase.

If desired, other components such as vegetable oils, antioxidants, preservatives, substances to prevent incorrect ingestion, diluents, flavorings and attractive products may be contained in this poison bait.

Examples of vegetable oil include cooking vegetable oil such as soybean oil, sesame oil, rapeseed oil, wheat germ oil, cottonseed oil, corn oil, sunflower oil and coconut oil. Among these, soda oil, sesame oil, rapeseed oil or a mixture of these oils are preferably used.

Examples of antioxidants include erythorbic acid, sodium erythorbate, dibutylhydroxytoluene, α-tocopherol, nordihydroguaiaretic acid, methylhydroxy anisole, propyl gallate, guaiac fat and L-cysteine hydrochloride.

Examples of preservatives include benzoic acid, sodium benzoate, salicylic acid, sorbic acid, potassium sorbate, dehydroacetic acid, sodium dehydroacetate, isobutyl parahydroxybenzoate, isopropyl parahydroxybenzoate, ethyl parahydroxybenzoate, butyl parahydroxybenzoate, propyl parahydroxybenzoate, and propyl parahydroxybenzoate dihydroxybenzoate.

Examples of substances to prevent erroneous ingestion include red pepper powder, amaranth, aluminum lake and amaranth, erythrosine, aluminum lake and erythrosine, neococcin, floxin, rose bengal, acid red, tartrazine, aluminum lake and tartrazine, sunset yellow FCF, aluminum lacquer and sunset yellow FCF, solid green FCF, aluminum lacquer and solid green FCF, brilliant blue FCF, aluminum lacquer and brilliant blue FCF, indigo blue, aluminum lacquer and indigo blue, βcarotene, copper chlorophyllate and denatonium benzoate. Examples of diluents include silica powder, diatomaceous earth, crystalline cellulose, kaolin, talc, bentonite, zeolite, seppiolite and attapulgite. Examples of flavorings include cheese flavor, butter flavor, nutty flavor, peach flavor, strawberry flavor, and milk flavor. The present poisoned bait can take various forms such as liquid formulations or powder formulations obtained by mixing the respective components, formulations in granules or in blocks obtained by forming after the addition of water and tablets obtained by compressing the mixture of the components.

The active ingredients such as insecticides may be contained in the present poison bait as such, or in the form of a formulation such as a powder formulation, wettable powder, microcapsule, emulsifiable concentrate, oily solution or slip formulation.

This poison bait is best suited for the control of cockroaches such as Periplaneta americana, Blattella germanica, and Periplaneta fuliginosa, but it can also be used for the control of other harmful insects, for example Formicidae (ants) such as Monomorium pharaoinis and Monomorium intrudens, "death clocks" such as Lasioderma serricorne, Stegobium paniceum, tenebrionids such as Tribolium castaneum, and Triboli um confusum, flat beetles such as Oryzaephilus surinamensis and Cryptolestes pusillus, and isoptera (termites speratus) such as Coptotermes formosanus and Reiiculitermatus.

When the present poison bait is a liquid formulation, it is advantageous to use for pest control by letting the liquid formulation flow by means of a liquid absorber plate from a vessel containing the formulation. Figure 1 is a diagram illustrating a device produced by loading a poisoned liquid bait 2 according to the present invention into a vessel 1, obtained by cutting the head part of a plastic dropper, inserting an absorbent plate 3 for the liquid and by hot fixing the absorbent plate 3 to the container 1 in: a position such that part of the absorbent plate 3 remains immersed in the poisoned bait 2.

As described above, a process for using a pest control device containing a liquid poison bait for pest control, said device being produced by loading the liquid poison bait into a plastic container (for example polyethylene) and by inserting a sheet or a plate for absorbing the liquid in the form of a rod formed by non-woven fabric or sponge, it is particularly effective.

It is possible to control pests by placing this poison bait in a place where the pests live or pass through so that the insects can feed on them.

The present poison bait for the control of pests has a good effect for the control of cockroaches due to its excellent property of stimulating their appetite.

The following biological preparation and test examples further illustrate the present invention in detail, but are not to be considered as limiting its scope.

First of all, examples of preparation are given.

Preparation example 1.

0.5 parts by weight of Fenitrothion [0.0-dimethyl-0- {3-methyl-4-nitrophenyl) phosphorothiaoto], 30 parts by weight of Yakult® (fermented milk from Yakult Co., Ltd.), 45 parts by weight of flour, of wheat, 4.5 parts by weight of dextrin and 20 parts by weight of raw sugar are mixed sufficiently to obtain a poisoned bait with the appearance of rice cake (a soft mass).

Preparation example 2

10 parts by weight of an emulsifiable concentrate of Fenitrothion (containing 50% by weight of fenitrothion) 85 parts by weight of Yakult® (fermented milk by Yakult Co. Ltd.) and 5 parts by weight of raw sugar are mixed as required to get a liquid poisoned bait.

Examples will now be illustrated in which the present poison bait for pest control is converted into a form, suitable for use, which contains the poison bait in a vessel.

Preparation example 3

The liquid poisoned bait (2 ml) obtained in the example of preparation 2, is loaded into a spherical container of polyethylene having a volume of about 3 ml, then; it is inserted into the container and fixed by heat welding a non-woven fabric. fabric (manufactured by Toray Co., air permeability: 11.5ml / cm <2> / sec., weight: 260g / m <2>) obtained by cutting into dimensions of 4mm wide x 4.5cm long x 0.61mm thick, as shown in Figure 1.

Preparation example 4

The liquid poisoned bait (2ml) obtained in preparation example 2, is loaded into a spherical polyethylene vessel having a volume of about 3ml, then attaches to the vessel, by heat sealing as shown in Figure 1, a non-woven fabric (made by Toray Co., air permeability: 110ml / cm <2> / sec., weight: 100g / m <2>), cut to size, 4mm wide x 4.5mm cm long x 0.34 mm thick.

Examples of poisoned bait formulation used for comparison in subsequent biological tests will now be reported as reference examples.

Reference example 1

By operating in the same way described in preparation example 1, except for the fact that 30 parts by weight of water are used instead of 30 parts by weight of Yakult®, a poisoned bait is obtained.

Reference example 2

Operating in the same way as described in production example 2, except that 85 parts by weight of water are used instead of 85 parts by weight of Yakult®, a poisoned bait is prepared.

Biological test

10 adult males and 10 adult females of cockroaches (Blattella germanica) are placed in a container with a bottom surface of 0.24 m2, then about 5 g of a poisoned bait and about 25 g of a normal bait are placed on the bottom. eat it for cockroach breeding - After 3 hours of feeding, the poisoned bait is loosened, then mortality (%) is checked after one week.

When using the poisoned bait obtained in preparation example 1 or 2, the mortality of cockroaches (Blattella] germanica) is not less than 80%. On the other hand, when using the poisoned bait obtained in Reference Examples 1 and 2 for comparison, the mortality is less than 80%.

Claims (16)

CLAIMS 1. Poison bait for pest control, including fermented milk. 2. Poisoned bait according to claim 1, comprising: (a) an effective amount as insecticide of at least one active ingredient as an insecticide, (b) an effective amount of fermented milk, and (c) at least one product selected from the group consisting of cereal powder, sugar and dextric na. 3. Poisoned bait according to claim 1 or 2, comprising: (a) 0.05 to 10% by weight of at least one active ingredient as an insecticide, (b) 9.95 to 94% by weight of fermented milk, e (c) from 5 to 90% by weight of at least one product selected from the group consisting of cereal powder, sugar and dextrin. Poisoned bait according to any one of claims 1 to 3, wherein the fermented milk is at least one selected from the group consisting of those obtained by fermentation of milk, as used as a starting product, using lactic acid and / or yeast bacteria, processed products of this and beverages including fermented milk as the main starting product. A poisoned bait according to any one of claims 1 to 3, wherein the fermented milk is at least one selected from the group consisting of sour milk, alcoholic fermented milk and lactic fermented beverages. Poisoned bait according to any one of claims 1 to 3, wherein the fermented milk is a lactic fermentation beverage. Poisoned bait according to any one of claims 1 to 3, wherein the fermented milk is a lactic fermentation beverage as a live dairy product. The poisoned bait according to claim 2 or 3, wherein the active ingredient as an insecticide is. a pyrethroid compound, an organophosphorus compound, a carbamate, an N-aryldiazole, a hydrazone, a sulfonamide, a natural insecticidal ingredient, boric acid, or an insect growth regulator. Poison bait according to any one of claims 1 to 8, which is used for cockroach control. 10. A method of enhancing the pest appetite stimulating property of a poison bait for pest control, which includes adding fermented milk to the poison bait for pest control. . 11. A method of pest control, which comprises placing a poisoned bait according to any one of claims 1 to 8, in a location where the pests live or pass through. 12. A process according to claim 11, wherein the harmful insects are cockroaches. 13. Use of fermented milk as an agent to enhance the appetite stimulating property of pests in poison bait for pest control. 14. Poisoned bait according to claim 1, substantially as previously described in any of the preparation examples 1 to 4. 15. Process according to claim 10, substantially as previously described in any of the production examples 1 to 4. 16. Process according to claim 11, substantially as described above,