JPH03112903A - Termite trail pheromone preparation - Google Patents

Abstract

PURPOSE:To obtain the title preparation having high safety by dissolving or dispersing a stabilizing agent such as (3Z, 6Z, 8E)-dodecatrienol or 2,6-di-tert. butyl-p-cresol into a synthetic resin such as polystyrene. CONSTITUTION:A compound expressed by the formula which is Reticulitermes trail pheromone and stabilizing agent (e.g. hydroquinone or catechol) corresponding to 1-10wt.% of the above-mentioned compound are dissolved or dispersed in a synthetic resin (e.g. polystyrene, polyamide or polyester) 20-1000 times the compound expressed by the formula to provide the title preparation. The preparation is applied to a proper substrate (e.g. paper, glass, plastic sheet, stone, concrete wood print or metal piece), dried and formed into a film to provide the termite detecting agent. The above-mentioned preparation is free from residual toxicity which conventional ant-killing agents have and can have termite inducing effect stabilized for a long period.

Description

Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a termite bepheromone preparation, the purpose of which is to treat termite bepheromone containing (3Z, 6Z, 8E)-dodecatrienol (formula l below). To provide a termite guidepost bepheromone preparation which is highly safe and has a stable guidepost effect for a long period of time.

76, Copt.
otermes foraosarLus 3hir3
1<i), Yamato termite (ReticuLiterm)
es 5peratus ([0111B)), KaLotermes 5atsutaen
s4s), KaLotermes f
uscus) HodorermoD'
sis japonicus).

Among them, Copto (trrmes for I + I
osanus Shiraki) Yamato termite (Rtt
ticalitermes 5peratus C[o
lbe) are widely distributed throughout Japan.

Coptotgrmes formos
Anus 311ir4ki) is distributed in the Kanto region and westward in Japan, and is the most feared termite that attacks buildings by feeding on wood in or in contact with the soil of houses, trees, and important cultural properties.

In addition, Yamato termites (ReticuLj terr.
mesSpgγαtus (Kolbe is distributed all over Japan, except for Hokkaido) and feeds on railway sleepers, the foundations of houses, etc.

House termite (Coptotermes formos)
anus 3hiraki) and Yamato termite (Rt.
tticalitermes 5peratμS (K
The total amount of damage caused by ``olbe)'' in Japan is said to be 200 billion yen annually.

(Prior Art and Problems) Conventionally, as a method for controlling termites, a method has been used in which lumber is treated with an insect repellent treatment in advance.

In addition, as extermination methods, organochlorine termiticides such as aldrin, chlordane, and dieldrin, and organophosphorus termiticides such as chloropyrifos have been used.

Furthermore, as a method for detecting termites, a method has been used in which a piece of wood is buried in the soil, such as under a verge, and left for about a month.

However, the methods of controlling, exterminating and detecting such conventional techniques have been insufficient.

As a method of controlling insects, applying insect repellent treatment to materials in advance cannot be expected to have a long-term insect repellent effect, and organochlorine insecticides, which have been used as a method of exterminating insects, were banned in 1932 due to residual toxicity problems.
Chlordane, a major insecticide, was completely banned in April 2017, and even with organophosphorus insecticides such as chloropyrifos that have been used since then, problems such as acute toxicity and shelf life remain unresolved. state.

Furthermore, the detection method of burying pieces of wood in the soil and leaving them there was also time consuming and did not allow for reliable detection.

In view of the above-mentioned circumstances, there has been a movement in the industry to utilize the inducing effect of termite signpost bepheromone to help control, exterminate, and detect termites.

However, the effective period of termite bepheromone's beacon effect is extremely short and is insufficient for use in actual control, extermination, and detection.

(Problems to be Solved by the Invention) In view of the above problems, the industry is working to create a termite bepheromone preparation that is highly safe and has a stable induction effect over a long period of time for the purpose of controlling, exterminating, and detecting termites. is desired.

(Means for Solving the Problems) This invention uses Yamato termites (RgticuLiter).
messpertortus (Kolbe)) (7) (3Z, 6Z, 8B) -
It has been discovered that a termite guidebepheromone preparation, which is prepared by dissolving or dispersing dodecatrienol (formula l below) in a suitable polymer together with a suitable stabilizer, has a beacon effect on termites for a long period of time. The above problems are solved by providing a method.

(Structure of the Invention) In this invention, Yamato termite (ReticuLiteγ)
(3Z, 6Z, 8E)-dodecatrienol (formula 1 below), which is well known as bepheromone, is used.

, :, ノ(3Z, 6z, 8B)-dodecatrienol (formula l) is a liquid at room temperature.

The stabilizer used in this invention may be any antioxidant such as 2,6-di-tert-butyl-p-cresol (BIT), hydroquinone, and catechol.

The reason for incorporating a stabilizer in this invention is (3Z, 6Z
, 8E)-dodecatrienol (Formula 1) contains a double bond and is a substance that is easily oxidized, so the purpose of incorporating these antioxidants is to prevent autooxidation.

Specific examples of synthetic resins used in this invention include polysulfone, polycarbonate, polystyrene,
Polymethacrylic acid ester, polyamide, polyester, polyvinylidene chloride, polyvinylidene fluoride, cellulose ester, regenerated cellulose, polyurethane, polyvinyl alcohol, polyvinyl chloride, polyvinyl acetate, ethylene-vinyl acetate copolymer, vinyl chloride-vinyl acetate copolymer Examples include polymers, polystyrene-polybutadiene block copolymers, and the like.

These synthetic resins may be used alone or as a mixture of two or more.

These synthetic resins have the effect of keeping (3Z, 6Z, 8B)-dodecatrienol (Formula 1) for a long period of time, as is clear from the Examples and Comparative Examples described below.

In this invention, the above (3Z, 6Z, 8E)-
In order to uniformly mix and disperse dodecatrienol (Formula 1), the stabilizer, and the synthetic resin, a solvent may be used at the appropriate time and in an appropriate amount, if necessary.

The thus obtained termite guide bepheromone preparation according to the present invention is coated on a suitable base material, dried to form a film, and then used. becomes.

The substrate to be coated is not particularly limited, and may include filter paper, cardboard, frosted glass, plastic sheet, stone, sand, concrete woodblock,
Wood chips, thread, cotton, cloth, synthetic paper, metal strips, etc. are all suitably used.

In this invention, the amount of stabilizer used is (3Z,
6Z, 8B)-DodekatlJ/-/l/(Formula l)
The amount of synthetic resin is preferably 1 to 10% by weight based on (
3Z, 6Z, 8E)-dodecatrienol (formula l)
20 to 1000 times (weight ratio) is preferable.

Examples and comparative examples of the present invention are shown below.

(Example 1) (32,6z, 8[Ri-dodecatrienol (2mg
), 2,6-di-tert-butyl-p-cresol (BIT
) (8μg), polystyrene (Nisbrite 4-62
A preparation was prepared by mixing Sumitomo Chemical (Ig) and dichloromethane (5 ml).

0.5 ml of this preparation was applied linearly over a 10 cm area on filter paper (No. 5). This was dried at 40° C. for 20 minutes to volatilize the solvent to obtain a termite detection material. This detection material was used to detect Yamato termites (RetIcuHtermes).
5 peratus (1 (olbe)) and the CoptoterNes formosanus
The signpost effect on 311ir31(i) was measured over time. The measurement method was to release 6 termites onto one end of the surface to which the preparation was applied, and observe their walking conditions along the applied surface for 5 minutes.The walking conditions were scored as 1 point for one-way walking and 0.5 points for 172 or above.

In addition, all the filter papers coated with the formulations were left in the air at room temperature.

(Comparative Example 1) A termite detection material was prepared by obtaining a formulation in the same manner as in Example 1 except that (3Z, 6Z, 8E)-dodecatrienol was not included.

(Comparative Example 2) 2.6-tert-butyl-p-cresol (
A termite detection material was prepared by obtaining a formulation in the same manner as in Example 1 except that it did not contain BIT.

(Comparative Example 3) Polystyrene (Nisbrite 4-62A) was used as the synthetic resin.
A termite detection material was prepared by obtaining a formulation in the same manner as in Example 1 except that it did not contain Sumitomo Chemical.

The detection materials of Comparative Examples 1 to 3 were also tested in the same manner as in Example 1. These results are summarized in Table 1.
(Leaving space below) Table ■ (Examples 2 to 4) Examples except that the synthetic resin shown in Table 2 was used in place of the polyethylene (Nisbrai 1-4-62A Sumitomo Chemical) of Example 1 for the synthetic resin. A formulation was obtained and a termite detection material was prepared in exactly the same manner as in Example 1. The termite detection materials obtained in Examples 2 to 4 were used to detect termites
s forIIIosanus 311irH1(i)
The test was carried out in the same manner as in Example I. These results are shown in Table 3.

Table 2 (Effects of the Invention) As detailed above, the termite signpost bepheromone preparation according to the present invention comprises (3z, 62.8B)-dodecatrienol (formula 1 below) and a stabilizer in a synthetic resin. Because it is a termite bepheromone preparation that is dissolved or dispersed in
(3'l, 62.8B)-dodecatrienol, which is a termite signpost bepheromone, has no residual toxicity like conventional termiticides and is highly safe.
2,8B)-Dodecatrienol and a stabilizer are dissolved or dispersed in a synthetic resin to form a termite bepheromone formulation, so as is clear from the above Examples and Comparative Examples, termites can be induced stably for a long period of time. There is an effect that an effect can be obtained.

Claims (3)

[Claims] (1) A bepheromone termite guide preparation prepared by dissolving or dispersing (3Z, 6Z, 8E)-dodecatrienol (formula 1 below) and a stabilizer in a synthetic resin. ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (Formula 1) (2) the stabilizer is selected from 2,6-di-tert-butyl-p-cresol, hydroquinone, and catechol;
The termite marker bepheromone preparation according to claim 1, which is a substance of more than one species. (3) The synthetic resin is polysulfone, polycarbonate, polystyrene, polymethacrylate ester, polyamide, polyester, polyvinylidene chloride, polyvinylidene fluoride, cellulose ester, regenerated cellulose, polyurethane, polyvinyl alcohol, polyvinyl chloride, polyvinyl acetate, ethylene. The termite guide bepheromone preparation according to claim 1, which is one or a mixture of two or more selected from -vinyl acetate copolymer and polystyrene-polybutadiene block copolymer.