JPH09202701A - Insect pest attractant - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain an insect pest attractant or a controlling agent having high attracting property to insect pests, especially cockroach. SOLUTION: This insect pest attractant comprises a gel composition having 50-80% sugar content based on whole gel composition and containing a cellulose. A cockroach attractant comrpises a gel composition having 50-80% sugar content based on whole gel composition and containing cellulose. A cockroach controlling agent contains the cockroach attractant and a cockroach-controlling component.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a pest attractant, and more particularly to a cockroach attractant comprising a gel composition having a high attractability to cockroaches.

[0002]

2. Description of the Related Art Conventionally, various chemicals such as pyrethroid chemicals, organophosphorus chemicals, carbamate chemicals and boric acid have been used for controlling harmful insects such as cockroaches. As an application mode thereof, for example, in the case of cockroaches, powders, oils, sprays such as emulsions and aerosols, those of a type directly applied to the cockroaches, such as poison bait indoors and warehouses of cockroaches It is known that there are types that are installed within the range of habitation and activity. Among these, it is important for the bait agent to allow the cockroach to fully ingest the drug in order to obtain the efficacy of the drug. Therefore, since cockroaches have a high preference for water, in order to feed boric acid, which is highly effective against cockroaches, in a state of being dissolved in water, the cockroach insecticide is in a gel state. Has been proposed (Japanese Patent Laid-Open No. 4-224501).

In this method, a mixture containing boric acid, a gelling agent and water is heated to form a homogeneous solution, which is then cast and cooled to form a gel. The purpose of this insecticide is to allow boric acid, which is an active ingredient, to be present in the gel in the form of an aqueous solution so as to facilitate feeding. And as an effect, it is easy to mold,
It is said to have the effects of not shrinking under the conditions of use, less dusting, and less boric acid used.
It is also proposed to use a gel-like substance having a similar composition for controlling ants, which is prepared by mixing boric acid, an attracting edible component, a gelling agent and water with heating and cooling. This is the obtained gel-like ant control composition (JP-A-4-247003). This seems to have the effect that ants can be easily chewed as food from the mass of the composition because they are gel-like. Examples of the attracting edible components, soybean oil, rice oil, corn oil and other oils, sugar powder, pupa flour, rice flour, corn flour and other flours, krill powder and the like is appropriately mixed It has been shown that you can.

[0004]

These agents contain a drug such as an insecticide as one of the components because the purpose of use of the drug is to control pests directly. However, such a drug tends to have a strong repellent action against pests, and this tendency is remarkable especially when the drug acts as a repellent against pests. Therefore, as in the above-mentioned prior art, a gelling agent is added so that the bent-horn pests are easily eaten, and even if an attracting edible component is mixed therein, the entire preparation is repelled. Since it is evenly mixed with the drug that exerts the action, the tendency to lower the eating property of the whole preparation is strong. Therefore, the pest attracting action in the pest control agent is low, and the components contained therein, for example, the pest attracting action of the attracting edible component cannot be grasped. is there.

Conventionally, pest attractants to be used by adding to chemicals have been known, but the pest attracting action is not sufficient and there is room for improvement, and it is preferable to obtain a pest attracting action. In particular, for cockroaches, since an effective insecticide has been found against it, a pest attractant that can attract cockroaches strongly and increase the chances and amount of feeding of those containing the insecticide Need to get. An object of the present invention is to provide a pest attractant capable of strongly attracting pests when used in combination with a drug. Another object of the present invention is to provide a cockroach attractant that can strongly attract cockroaches when used in combination with a drug. Another object of the present invention is to provide a cockroach attractant that can strongly attract cockroaches even when used in combination with a drug.

[0006]

According to the present invention, a study was made on the attracting action of various insect pests on various components. As a result, a gel composition containing a specific sugar content was found to be excellent in attracting efficacy against pests, especially cockroaches and ants. It was found that the stability was improved by further containing the fibrin, and the present invention was accomplished. That is, the present invention has achieved the above-mentioned object by the following means. (1) An insect pest attractant comprising a gel composition containing fibrin and having a sugar content of 50 to 80% as a whole. (2) A cockroach attractant comprising a gel composition containing fibrin and having a sugar content of 50 to 80% as a whole. (3) A cockroach controlling agent containing the cockroach attractant according to the item (2) and a cockroach controlling component.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The pest attractant of the present invention has a sugar content in order to have a sugar content. Examples of sugars include fruit juice, honey, molasses, maltose, fructose isomers,
Sucrose, sugar cane, palatinose, trehalose, sucrose, sophorose, kojiniol, turanose,
Laminaribiose, nigerose, maltose, cellobiose, lactose, xylobiose, leucrose,
Gentiobiose, isomaltose, merbiose, rutinose, primberose, vicyanose, robinose, D-glucose, N-acetyl-D-glucosamine, D-galactose, D-galacturonic acid, D-mannose, D-xylose, D-fructose, L-. Arabinose, D-glucuronic acid, D-glucosamine, L-
Fructose and the like. These can be used in combination. By adjusting the type and content of the sugar content, the sugar content in the gel composition is adjusted to fall within the above range.

The sugar content in the gel composition is 50 to 80 °
The range of 60 to 80 ° is more preferable,
The range of 70-80 ° is even more preferable. Sugar content is 50
If it is less than °, it may not be possible to obtain sufficient attracting effect against pests, especially cockroaches.
When it is higher than 0 °, gelation is insufficient when a gel composition is prepared, which is not preferable. The sugar content was measured by a commonly used measurement method using light refraction. Digital sugar content meter PR-300 (manufactured by Atago Co., Ltd.) was used as a measuring instrument.

To form a gel composition, water and a gelling agent are mixed with the above-mentioned saccharides and sugar-containing substances and fibrin and heated to dissolve into a homogeneous solution, and this solution is cooled to give a gel composition. And it is sufficient. In addition, at this time, casting can be performed if necessary. In this case, the gel state of the obtained gel composition changes greatly depending on the addition amount of the gelling agent. The addition amount of the gelling agent varies depending on the kind of the gelling agent, but in the case of agar, for example, 0.1 to 30% by weight.
It is used in the range of 0.1 to 0.5% by weight, but when it is 0.1 to 0.5% by weight, the viscosity becomes soft and viscous, and
When it is 3.0% by weight, it becomes a solid jelly-like state. Since various insects such as cockroaches and other pests prefer a sticky state, it is preferable to set such a state.

Any gelling agent may be used as long as it does not hinder the attractiveness of pests, and more preferably, it promotes the attractiveness. For example, pectin, color giannan, agar, gelatin, gelatin gum, sodium alginate, guar gum, duragan gum, locust bean gum, carboxymethyl cellulose, polyacrylic acid and the like can be mentioned. Further, a solidifying agent such as dicalcium phosphate, calcium chloride, potassium chloride, calcium lactate, and gluconodel lactone can be added as appropriate.

As the fibrin, various substances containing cellulose, such as rice flour, flour such as wheat flour, potato flour such as sweet potato flour, vegetable flour and the like can be used. In addition to this, it is also possible to use a material such as konjac that originally contains fibrin. The amount of fibrin added is 0.1% of the total gel composition.
It is in the range of 10 to 10% by weight, preferably in the range of 0.5 to 5% by weight, and the fact that the gel composition contains this fiber not only has the effect of increasing the surface sugar content of the gel composition It has the effect of enhancing the attractiveness against pests, probably because the surface condition of the gel composition is changed. In the case of cockroaches, it is considered that the fibrin extracted from a plant having such a taste has a more attractive effect. Moreover, even a gel composition having a high sugar content can suppress the stickiness of the surface.

[0012] If desired, various additives known as substances having an action of enhancing the attracting effect against harmful insects can be added to the gel composition. For example, dietary agents include animal-based dietary components and plant-based dietary components. Examples of the above-mentioned animal diet component include animal protein and animal lipid. These can also be used as a base material for diet. Examples of animal proteins include actin, albumin, casein, fibrin, fibrinogen, keratin, α-globulin, β-globulin, γ-globulin, hemoglobin, lactoglobin,
Myosin, pepsin, phosphorylase, fish soluble, etc., or locusts, grasshoppers, mantis, crickets, bees, aphids, cockroaches, grasshoppers, butterflies, moths, flies, krill, akamushi, mealworms, fish foods (earthworms, gokai, etc.), , Horses, sheep, goats, rabbits, dogs, cats, fish, shellfish, eggs, various amino acids such as proline, and degradation products of animal proteins.

[0013] Examples of the above-mentioned vegetable diet component include glycerose, amylose, amylopectin, starch, starch hydrolyzate and the like. In addition, the plant protein is obtained from edestin, zein, gliadin, aratin (peanut), globulin (pumpkin seed, wheat bran), zein (flour), gluten (wheat, corn), phaseolin (broad bean), soybean, etc. Things can be mentioned. As the vegetable oil, any kind may be used, and at least one or more of oily substances such as vegetable oil (including those which become oily upon heating) may be appropriately selected and used. For example, waxes, cacao butter, coconut oil, vegetable oils such as gall oil, castor oil, non-drying oils such as olive oil and peanut oil, soybean oil, corn oil, rapeseed oil, sesame oil, semi-drying oil such as cottonseed oil. , And dry oils such as linseed oil, tung oil, hemp oil, and eno oil. Also,
As a substance that promotes feeding, squash, dried corn, mushrooms, shiitake mushrooms, kelp, cabbage powder and its extract alone or a mixture thereof, etc., these can also be used together with the plant-based dietary ingredient,
The powders described above can also be used as a botanical dietary ingredient per se.

Examples of pest attracting substances that can be used in combination with these include, for example, methyl or ethyl esters of fatty acids, saturated or unsaturated alcohols, non-reducing starch hydrolysates, carboxylic acid esters having a cyclohexyl group, and aromas. Fatty acid ketone, alcohol, aldehyde, lactone, ester, aloe or eucalyptus plant and its extract, ketone having 7 to 9 carbon atoms, vanillin, ethyl vanillin, isovanillin, piperonal, piperonal acetone, 2,6-nonadiether, etc. , Also known as the trail pheromone, ie (3S, 4R, 6E, 10Z) -3,
4,7,11-Tetramethyl-trideca-6,10-dienal, (Z) -9-hexadecenal, 2,5-dimethylpyrazine, 3-methyl-2,5-dimethylpyrazine, Z, E-α-furanesene , E, E-α-furanesene, and the like, and the amount used is 0 to 5 wt%. Further, various coloring agents can be added. Also, onisonic acid or the like can be used as the solidifying agent, and citric acid or the like can be used as the pH adjusting agent.

This gel composition is used by adding a pest-controlling agent into the gel composition, and is used as a pest-attracting agent alone which exerts a pest-inducing action. Is preferably used in a state of being juxtaposed with the pest control agent. For example, the gel composition is used by placing it on a preparation containing a pest control agent. More specifically, this viscous gel composition is applied in a thin layer onto a disc-shaped preparation made of an insecticide and a dietary agent, and used for pest control. In addition, an integral quadrangular formulation may be prepared from the triangular formulation of the insecticide and the diet and the viscous triangular gel composition. For cockroaches, it is also effective to use a mixture of the pest control agent and its control component, which is effective as a cockroach control agent as a whole.

[0016]

The present invention will be specifically described below with reference to examples. However, the present invention is not limited to only this embodiment. Example 1 (Formulation Example) An attractant having the composition shown in Table 1 below was produced. The sugar content of these products was 55 to 85%.

[0017]

[Table 1]

Example 2 A soft gel composition was prepared. Curdlan 3
%, Carrageenan 3%, water seed (33% locust bean gum, carrageenan 4%, potassium hydrogen phosphate 3%
%, Other mixture: Suzu Shiki Kogyo Co., Ltd.) 5% was used as a gelling component, and 5 to 10% of Orstarch W-3 (starch: Takeda Yakuhin Kogyo Co., Ltd.) was added to each formulation, which was relatively good. . This can be used in combination with an attractant such as a diet having a different texture like a biscuit type. Also, two types of different colors such as a yellow biscuit type and a brown biscuit type can be combined to make a preparation. When combining the gel composition and the biscuit type,
When the gel composition is soft, there is a problem that its water content shifts to the biscuit type, but it can be separated by a hydrophobic film.

Example 3 A preparation was prepared in which the gel composition and the granules were placed on the base material. Tables 2 and 3 show the composition (formulation) of the gel composition placed on it and its physical properties.

[0020]

[Table 2]

[0021]

[Table 3]

Example 4 The attracting action of the gel composition having the above-mentioned composition to cockroaches was tested using black cockroaches.

[0023]

[Table 4]

[0024]

The pest attractant of the present invention exhibits a high attracting action against pests, especially cockroaches, and it is provided with a pest control agent containing a pest control component or a pest control diet, It has an effective pest control effect,
Even if it is made into a pest control agent by combining this with a pest control component, it also exhibits a high attracting action.

Claims (3)

[Claims] 1. A pest attractant comprising a gel composition containing fibrin and having a sugar content of 50 to 80% as a whole. 2. A cockroach attractant comprising a gel composition containing fibrin and having a sugar content of 50 to 80% as a whole. 3. A cockroach control agent containing the cockroach attractant according to claim 2 and a cockroach control component.