JP4993829B2 - Termite food poison - Google Patents

Description

（式中、Ｒ１は水素原子、炭素数１ないし３のアルキル基、２−メトキシエチル基、アリル基、プロパルギル基、若しくはシクロプロピル基を表し、Ｒ２は水素原子若しくはエチル基を表すか、またはＲ１及びＲ２はこれらが結合されている窒素原子と一緒になってピロリジノ基、モルホリノ基若しくはイミダゾリル基を表し、Ｒ３は水素原子、炭素数１ないし３のアルキル基、またはシクロプロピル基を表し、Ｒ４は水素原子またはメチル基を表す。）
で示されるトリアジン化合物を有効成分とする食毒剤をシロアリに摂食させることにより、短期間で高い効力を発揮し効果的にシロアリを防除できることを見出し、本発明を完成した。
即ち、本発明は一般式（Ｉ）で示されるトリアジン化合物を有効成分として含有することを特徴とするシロアリ用食毒剤及びそれを用いることを特徴とするシロアリの防除方法を提供する。
【０００４】
【発明の実施の形態】
本発明のシロアリ用食毒剤の有効成分である一般式（Ｉ）で示されるトリアジン化合物としては例えばＲ１、Ｒ２、Ｒ３及びＲ４がすべて水素原子である化合物が挙げられる。
一般式（Ｉ）で示されるトリアジン化合物は特公昭６０−５２７０５号公報に記載の化合物であり、該公報に記載の方法に準じて製造することができる。
【０００５】
本発明のシロアリ用食毒剤は一般式（Ｉ）で示されるトリアジン化合物単独でもよいが、通常、一般式（Ｉ）で示されるトリアジン化合物と餌成分とを含有するシロアリ用食毒剤がシロアリの摂食を促進する点から好ましい。
この場合に餌成分の比率は、一般式（Ｉ）で示されるトリアジン化合物１重量部に対して、通常餌成分は１０〜１００００重量部の範囲である。
【０００６】
一般式（Ｉ）で示されるトリアジン化合物と餌成分とを含有するシロアリ用食毒剤は通常、一般式（Ｉ）で示されるトリアジン化合物と餌成分とを混合し必要に応じてその他の補助剤を添加して調製される。
餌成分としては、シロアリが摂食する素材が用いられ、例えば木片（アカマツの木片、クロマツの木片、カラマツの木片、ラジアータパインの木片等）、紙類（例えば濾紙、未晒し紙、再生紙）及びセルロースが挙げられる。
補助剤としては、例えばシロアリを誘引する物質（フェロモンやグリコールエーテル類等）が挙げられる。
【０００７】
一般式（Ｉ）で示されるトリアジン化合物と餌成分とを含有するシロアリ用食毒剤は、具体的には例えば一般式（Ｉ）で示されるトリアジン化合物及び必要に応じて添加されるシロアリを誘引する物質を揮発性有機溶媒または水に溶解し、餌成分と混合し又は餌成分に吸収させた後、乾燥することにより製造することができる。
【０００８】
本発明のシロアリ用食毒剤は、例えば本発明のシロアリ用食毒剤を家屋の周囲またはシロアリの生息場所（例えば、木の切り株、枯れ木）に施用する方法；及び本発明のシロアリ用食毒剤をシロアリが通れる大きさの孔を有する容器（例えば、特表２０００−５０９９８２号公報に記載の容器）に収納し、その容器をシロアリの通り道に設置する方法によりシロアリ防除に用いることができる。
【０００９】
本発明のシロアリ用食毒剤が効力を有するシロアリ類としては、例えばヤマトシロアリ、イエシロアリ、アメリカカンザイシロアリ、ダイコクシロアリ、タイワンシロアリ、コウシュンシロアリ、サツマシロアリ、ナカジマシロアリ、カタンシロアリ、コダマシロアリ、クシモトシロアリ、オオシロアリ、コウシュウイエシロアリ、アマミシロアリ、キアシシロアリ、カンモンシロアリ、タカサゴシロアリ、ニトベシロアリ、ムシャシロアリが挙げられる。
【００１０】
【実施例】
次に本発明を製剤例及び試験例によりさらに詳細に説明するが、本発明はこれらの例により限定されるものではない。
【００１１】
まず、製剤例を示す。なお、部は重量部を意味する。
製剤例１
一般式（Ｉ）において、Ｒ１、Ｒ２、Ｒ３及びＲ４が水素原子である化合物（以下、シロマジンと記す。）０．３部を適量のメタノールに溶解し、これを未晒し紙９９．７部に吸収させた後、一昼夜室温で放置することにより本発明シロアリ用食毒剤（１）を得た。
【００１２】
製剤例２
シロマジン０．５部、未晒し紙９９．５部を用いた以外は製剤例１と同様に本発明シロアリ用食毒剤（２）を得た。
【００１３】
製剤例３
シロマジン０．３部、アカマツ薄片９９．７部を用いた以外は製剤例１と同様に本発明シロアリ用食毒剤（３）を得た。
【００１４】
製剤例４
シロマジン０．５部、アカマツ薄片９９．５部を用いた以外は製剤例１と同様に本発明シロアリ用食毒剤（４）を得た。
【００１５】
次に、本発明シロアリ用食毒剤がシロアリ防除に有用であることを試験例に示す。
試験例
直径９ｃｍのガラスシャーレに、２×２ｃｍに裁断し、水で湿らせた製剤を入れ、イエシロアリの職蟻１００頭を投入し、蓋をした。
２０×３０ｃｍのプラスチック製シール容器に上記のガラスシャーレと水をはったガラスシャーレとを入れ、蓋をして黒ビニール袋で覆い、２５℃の恒温室内に置いた。毎週少量の水を補給し、試料が２分の１以下になった場合は同一の製剤を１枚追加した。２、４及び６週間後にシロアリの生死を調査し、生存率を求めた。
なお、対照区の製剤としては、ヘキサフルムロン０．５重量部を９９．５部の紙に染み込ませ、２×２ｃｍに裁断したものを用いた。
結果を表１に示す。
【００１６】
【表１】

【００１７】
【発明の効果】
本発明のシロアリ用食毒剤は短期間で高い効力を発揮し、シロアリを効果的に防除することができる。[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a termite food poisoning agent comprising a certain triazine compound as an active ingredient, and a termite control method using the same.
[0002]
[Background Art and Problems to be Solved by the Invention]
Conventionally, termite food poisons containing benzoylphenylurea insect growth-regulating compounds such as hexaflumuron as active ingredients are known. However, the termite food poison containing the benzoylphenylurea insect growth-regulating compound as an active ingredient has a problem that it takes a long time to exert its efficacy.
An object of the present invention is to provide a termite-controlling food poison that exhibits high efficacy in a short period of time, and a method for controlling termites using the same.
[0003]
[Means for Solving the Problems]
As a result of intensive studies to develop a termite food poison that exhibits high efficacy in a short period of time, the present inventors have found that the general formula (1)
[Chemical formula 2]

(Wherein R1 represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, a 2-methoxyethyl group, an allyl group, a propargyl group, or a cyclopropyl group, R2 represents a hydrogen atom or an ethyl group, or R1 And R2 together with the nitrogen atom to which they are attached represents a pyrrolidino, morpholino or imidazolyl group, R3 represents a hydrogen atom, an alkyl group having 1 to 3 carbon atoms, or a cyclopropyl group, and R4 represents Represents a hydrogen atom or a methyl group.)
The present invention has been completed by finding that termites can be effectively consumed in a short period of time and termites can be effectively controlled by feeding termites with a toxic agent containing a triazine compound represented by formula (1) as an active ingredient.
That is, this invention provides the termite food poisoning agent characterized by containing the triazine compound shown by general formula (I) as an active ingredient, and the termite control method characterized by using the same.
[0004]
DETAILED DESCRIPTION OF THE INVENTION
Examples of the triazine compound represented by the general formula (I) that is an active ingredient of the termite food poison of the present invention include compounds in which R1, R2, R3 and R4 are all hydrogen atoms.
The triazine compound represented by the general formula (I) is a compound described in JP-B-60-52705, and can be produced according to the method described in the publication.
[0005]
The termite food poison of the present invention may be the triazine compound represented by the general formula (I) alone, but the termite food poison containing the triazine compound represented by the general formula (I) and a bait component is usually a termite. It is preferable from the point of accelerating eating.
In this case, the ratio of the bait component is usually in the range of 10 to 10,000 parts by weight of the bait component with respect to 1 part by weight of the triazine compound represented by the general formula (I).
[0006]
The termite food poison containing the triazine compound represented by the general formula (I) and the bait component is usually mixed with the triazine compound represented by the general formula (I) and the bait component and, if necessary, other auxiliary agents. It is prepared by adding.
As feed components, materials that termites eat are used, such as wood chips (red pine wood pieces, black pine wood pieces, larch wood pieces, radiata pine wood pieces, etc.), paper (eg filter paper, unbleached paper, recycled paper) And cellulose.
Examples of the adjuvant include substances that attract termites (such as pheromones and glycol ethers).
[0007]
The termite food poison containing the triazine compound represented by the general formula (I) and the bait component specifically attracts, for example, the triazine compound represented by the general formula (I) and a termite added as necessary. It can be produced by dissolving the substance to be dissolved in a volatile organic solvent or water, mixing with the bait component or absorbing the bait component, and then drying.
[0008]
The termite food poison of the present invention is, for example, a method of applying the termite food poison of the present invention to the surroundings of a house or a termite habitat (for example, a tree stump, dead tree); and the termite food poison of the present invention. The agent can be used for termite control by a method in which the agent is stored in a container (for example, a container described in JP-T-2000-509982) having a hole having a size through which termites can pass, and the container is placed on a termite path.
[0009]
Examples of termites effective for the termite food poisoning agent of the present invention include Yamato termites, termites, American white termites, daiko termites, taiwan termites, red-tailed termites, satsu termites, long termites, caterpillars, columites Examples include termites, termites, red-tailed termites, amami termites, yellow termites, cammon termites, scorpion termites, nitrite termites, and mush termites.
[0010]
【Example】
Next, the present invention will be described in more detail with reference to formulation examples and test examples, but the present invention is not limited to these examples.
[0011]
First, formulation examples are shown. In addition, a part means a weight part.
Formulation Example 1
In general formula (I), 0.3 part of a compound in which R1, R2, R3 and R4 are hydrogen atoms (hereinafter referred to as cyromazine) is dissolved in an appropriate amount of methanol, and this is unexposed to 99.7 parts of paper. After absorbing, the termite food poisoning agent (1) of the present invention was obtained by allowing it to stand at room temperature all day and night.
[0012]
Formulation Example 2
The termite food poisoning agent (2) of the present invention was obtained in the same manner as in Formulation Example 1, except that 0.5 part of cyromazine and 99.5 parts of unbleached paper were used.
[0013]
Formulation Example 3
The termite food poisoning agent (3) of the present invention was obtained in the same manner as in Formulation Example 1 except that 0.3 part of cyromazine and 99.7 parts of red pine flakes were used.
[0014]
Formulation Example 4
The termite food poisoning agent (4) of the present invention was obtained in the same manner as in Formulation Example 1, except that 0.5 parts of cyromazine and 99.5 parts of red pine flakes were used.
[0015]
Next, the test examples show that the termite food poisoning agent of the present invention is useful for termite control.
Test Example A glass petri dish with a diameter of 9 cm was cut into 2 × 2 cm and wetted with water, and then 100 termite ants were placed and capped.
The above glass petri dish and a water glass petri dish were placed in a 20 × 30 cm plastic sealing container, covered with a black plastic bag, and placed in a constant temperature room at 25 ° C. A small amount of water was replenished every week, and when the sample became less than half, one identical preparation was added. Termite survival was investigated after 2, 4 and 6 weeks to determine the survival rate.
As a preparation for the control group, 0.5 part by weight of hexaflumuron was soaked in 99.5 parts of paper and cut into 2 × 2 cm.
The results are shown in Table 1.
[0016]
[Table 1]

[0017]
【Effect of the invention】
The termite food poisoning agent of the present invention exhibits high efficacy in a short period of time, and can effectively control termites.

Claims (2)

Containing the cyromazine and food ingredients, termite food poisoning agent characterized in that food component is 10 to 10000 parts by weight based on the ratio of cyromazine and food ingredients cyromazine 1 part by weight. A method for controlling termites which comprises using a termite food poisoning agent according to claim 1.