JP2000083551A - Controlling method of termite and artificial termite nest used in the method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for controlling termite capable of controlling semi-permanently termite using no chemical agents or using chemical agents as little as possible, and an artificial termite nest used in the method. SOLUTION: In this invention, the artificial termite nest having a bait part for termite is buried in the ground near a building and termites inhabiting near the building are collected by introducing into the artificial termite nest and the termites collected in the artificial termite nest are periodically disposed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for controlling termites and an artificial termite nest used in the method, and more particularly to controlling termites semipermanently with little or no use of chemicals. The present invention relates to a method for controlling termites and an artificial termite nest used in the method.

[0002]

2. Description of the Related Art Conventional termite control measures include injecting and applying termite control chemicals to buildings and spraying them on soil. Termite control agents such as organophosphorus compounds and pyrethroids are known. Drugs are used. On the other hand, in recent years, it has been required to use less toxic drugs in consideration of the effects on the human body and the environment, to minimize the use of drugs, and to adopt control methods that do not use drugs. It is getting.

[0003]

However, if the toxicity of the drug is suppressed and the amount of the drug used is limited, the efficacy and sustainability of the drug decrease. In addition, in an area where termite damage frequently occurs, the termites become accustomed to the drug while using the drug many times, and the drug treatment itself may not be meaningful. These facts suggest that the method of controlling termites only with chemicals has its own limitations. The present invention has been made in view of such circumstances, and a method for controlling termites semipermanently with little or no use of chemicals and an artificial termite nest used in the method. The purpose is to provide.

[0004]

Means for Solving the Problems According to the present invention, an artificial termite nest having a termite bait is buried in the ground near a building, and termites living near the building are guided to the artificial termite nest. This is a method for controlling termites, wherein the termites collected in an artificial termite nest are periodically disposed of. The invention according to claim 2 is characterized in that a plurality of monitor stakes that can be eroded by termites are laid on the ground near a building before or during the embedding of the termite nest. Is the way. The invention of claim 3 is the method of controlling termites according to claim 1, wherein the termites living in the building are exterminated by using a chemical before the artificial termite burial is buried.

According to a fourth aspect of the present invention, there is provided an artificial termite nest that is buried in the ground near a building and guides and collects termites that live in the vicinity of the building. An artificial termite nest comprising a loaded bait section. According to a fifth aspect of the present invention, the container is a tubular body having upper and lower surfaces opened, and a lid for covering the upper surface thereof is provided, and the bait portion is formed by bundling a plurality of bait members. The artificial termite according to claim 4, wherein the artificial termite nest is a columnar body, and a heat insulating part for keeping heat is provided between the bait part and the container. According to a sixth aspect of the present invention, there is provided the artificial termite nest according to the fourth or fifth aspect, wherein a sensor for detecting ultrasonic waves generated when the termites are eaten is provided in the bait portion. By providing these inventions, the above problems are completely solved.

[0006]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a flowchart showing a first embodiment of a termite control method. FIG. 2 is a plan view showing an arrangement of artificial termite nests used in the termite control method. As shown in FIG. 1, the first embodiment of the termite control method is that an artificial termite nest is buried in the ground near a building (step 1), and the termites collected in the artificial termite nest are disposed of (step 2). Things.

The artificial termite burying step (step 1) is a step for collecting termites near the building (T) (see FIG. 2). In the artificial termite burial step (step 1), an artificial termite nest (1) (see FIG. 2) having a termite bait is buried in the ground near the building (T). The building (T) in the present invention refers to various structures that can be damaged by termites, for example, a basement, an underground pipe, a foundation of a building, and the like. When the building (T) is a basement or an underground pipe (see FIG. 6A), the artificial termite nest (1) is usually buried in the ground above. When the building (1) is the foundation of a building (see FIG. 2), it is buried in the ground around the foundation. Since the artificial termite nest (1) is provided with a termite bait, the termites prefer to lean and can collect termites living near the building (T) intensively.

The termite disposal step (step 2) is a step of disposing of termites collected in the artificial termite nest (1). In this termite disposal step (step 2), after removing the artificial termite (1) from the ground, the termites in the artificial termite (1) are disposed. The method of disposing of termites is not particularly limited. For example, a method of decomposing an artificial termite (1) to incinerate only termites, a method of incinerating termites together with the artificial termite (1), etc. Can be mentioned.

[0009] By collecting termites near the building (T) in the artificial termite nest (1) and disposing of the collected termites, the activity of the termite population near the building (T), that is, the colony, is reduced. T) The termites can be prevented from approaching themselves. Therefore, it is possible to prevent the termite from being damaged by the building (T). Further, when termite damage has already appeared on the building (T), it is possible to prevent the damage from further expanding.

[0010] The termites are most active during the year.
Since the breeding season is from May to July, burying the artificial termite nest (1) around early May and removing the artificial termite nest (1) from the ground near the end of July and disposing of the termites is recommended. preferable. In this case, termites in the vicinity of the building (T) can be intensively collected and propagated in the artificial termite nest (1), and the propagated termites can be completely treated, so that the termite control efficiency is the best. In addition, it is preferable that a new artificial termite nest (1) is buried again in the hole from which the artificial termite nest (1) has been taken out, and that the pattern is repeated every year at the end of July of the following year to process the termites. This is an experimental result. In a colony whose activity has been greatly reduced, the activity of the termites increases as long as the artificial termites (1) are removed and treated once every year. It is based on the experimental result of not doing.

When this replacement pattern is adopted, an ultrasonic sensor (1) for detecting an increase in termites in the artificial termite nest (1) is prepared in case the termites increase during the leaving period.
It is desirable to provide 1) (see FIG. 7) so that the detection result can be confirmed on the ground. The ultrasonic sensor (11) detects an ultrasonic wave emitted when a termite erodes a member, and determines the activity of the termite according to the detection result. Accordingly, even if the number of termites increases during one year in which the artificial termites (1) are left, the increase in the termites can be grasped without taking out the artificial termites (1) and the immediate action can be taken. That is, when the increase of termites is recognized, the artificial termite (1) can be immediately taken out and the termites can be processed.

FIG. 3 is a flowchart showing a second embodiment of the termite control method. FIG. 4 is a plan view showing the arrangement of artificial termite nests and monitor piles used in the termite control method. As shown in FIG. 3, the second termite control method
In the embodiment, an artificial termite nest is buried in the ground near the building, and a plurality of monitor piles are laid on the ground near the building (step 1), and the termites collected in the artificial termite nest are disposed of (step 2). ).

The second embodiment is different from the first embodiment in that an artificial termite nest (1) is buried in the ground near the building (T) and, at the same time, a monitor pile (2) is placed on the ground near the building (T). ).

The monitor pile (2) (see FIG. 4) is used to monitor the activity range of the termite near the building (T). The monitor pile (2) is made of a member that can be harmed by termites. Therefore, the installed monitor pile (2)
When the monitor stake (2) is damaged by the pull-out and inspection, it can be determined that the termite is active at the place where the termite is placed. This monitoring determines whether it is appropriate to bury the artificial termite nest (1) or how the activity range of the termites has changed by burying the artificial termite nest (1). And so on. When positioning the artificial termite nest (1), a plurality of monitor piles (2) are driven and sampling inspection is performed several months later. And, since it can be judged that the activity of termites is inactive at the place where there is little damage to the termites, if the artificial termite nest (1) is buried there, remove it and move it to the place where there is a lot of damage. Can be. In this example, the monitor pile (2) is cast simultaneously with the embedding of the artificial termite (1). However, the monitor pile (2) is cast before embedding the artificial termite (1). If the artificial termite nest (1) is buried after confirming the activity range of the termite, it is not necessary to particularly perform the work of moving the artificial termite (1).

[0015] The material of the monitor pile (2) is not particularly limited as long as it can be harmed by termites. For example, wood is used, and red pine is particularly preferable. This is because termites particularly prefer red pine wood among wood.
Therefore, by using red pine wood for the monitor pile (2),
Monitor pile (2) even when termites are only slightly active
Can be reliably eaten, and the accuracy of monitoring can be improved.

The place where the monitor pile (2) is placed may be in the vicinity of the building (T), and their mutual spacing and arrangement are not particularly limited. It is preferable to be laid in a plurality of rows along the building (T). By placing the monitor piles (2) in multiple rows along the building (T), the ground near the building (T) can be monitored evenly, and the activity range of termites can be accurately grasped. it can. The monitor pile at that time (2)
It is preferable that the interval between them is set to about 2 m. This is an experimental value, but in the case of such an interval, accurate monitoring can be performed with a small number of monitor piles (2).

FIG. 5 is a flowchart showing a third embodiment of the termite control method. As shown in FIG. 5, in the third embodiment of the termite control method, termites that live in a building are exterminated using a chemical (step 1), and an artificial termite nest is buried in the ground near the building (step 1). 2), termites collected in the artificial termite nest are disposed of (step 3).

The third embodiment is different from the first embodiment in that termites living in a building are exterminated with a chemical before burying an artificial termite nest.

The drug is not particularly limited as long as it can eliminate termites, but it is desirable that the drug does not affect the human body and environment as much as possible. Examples of such a drug include Toyo Rent Lek (trade name, manufactured by Chemipro Kasei Co., Ltd.) and Sumithion (trade name, manufactured by Sumitomo Chemical Co., Ltd.). Artificial termite nest (1)
(See FIG. 6) By terminating the termites that inhabit the building (T) (see FIG. 6) with a chemical before burying, the termites are eliminated from the building (T). Here, if the artificial termite nest (1) is buried in the ground near the building (T), the termites living near the building (T) are collected in the artificial termite nest (1). Termites do not breed within. That is, by terminating the termites in the building (T) in advance, it is possible to completely prevent the termite damage to the building (T) thereafter.

FIG. 6 is a diagram showing an example of the termite control method shown in FIG. This example shows a case where the building (T) is an underground pipe and a cable (K) is provided therein. In this example, a push rod (11) provided with a nest collector (8) at the tip, and a push rod (1) provided with a drug injection nozzle (9) at the tip.
2) and a push rod (13) provided with an ultrasonic sensor (10) at the tip.

First, as shown in FIG. 6 (a), a pushing rod (11) is inserted from a human hole (H) to collect a termite nest (real) (14), and the inhabitation of the termites is confirmed. Next, as shown in FIG.
Is inserted through a human hole (H), and a medicine is ejected from a medicine ejection nozzle (9) to a termite's nest to eliminate the termites. Next, as shown in FIG. 6 (c), the push rod (13) is inserted through the human hole (H), and it is confirmed by the ultrasonic sensor (10) whether termites have been eliminated. After confirming that the termites have been completely eliminated, the artificial termite nest (1) is buried in the ground above the building (T) as shown in FIG. 6 (d).
Thereafter, the artificial termite nest (1) may be periodically taken out and the internal termites may be processed.

Next, the structure of the artificial termite nest will be described. As shown in FIG. 7, the artificial termite nest (1) according to the present invention comprises a columnar bait (3), a heat insulation part (4), a lid (5), a container (6), and a raindrop. And a cover (7).

The columnar bait (3) is composed of a member serving as termite bait (hereinafter referred to as bait member) (3a). The bait member (3a) is not particularly limited as long as it is a material that termites prefer to eat, but usually wood is used, and among them, red pine wood is particularly preferably used as a termite. The shape of the bait member (3a) is not particularly limited.
Based on the ecology of the best activity and propagation in the range of about 00 mm below, usually cut to a length of about 500 to 700 mm and a thickness of 30 to 50 mm, more preferably about 600 mm in length and about 40 mm in thickness is there. If the length is longer than 700 mm, the entire nest becomes long and it is inconvenient when exchanging the nest. If the length is shorter than 500 mm, the entire nest becomes short and the ability to attract termites is reduced.

The columnar bait (3) is provided with such a bait member (3).
a) is bundled in a column shape. The shape of the column-shaped bait (3) is not particularly limited, and may be a column, a square column, or the like, but is usually formed in a column. The diameter in that case is not particularly limited, but is usually 150 to 30.
It is about 0 mm. If the diameter is larger than 300mm,
It is inconvenient when replacing the nest because the whole nest becomes large, and if the diameter is smaller than 150 mm, the columnar bait (2) becomes small and the ability to attract termites is reduced. Note that once the artificial termite nest is replaced, the activity of the colony is reduced as described above, and the number of termites gathering in the newly buried artificial termite nest is reduced. Therefore, when the artificial termite nest is buried for the first time, the diameter of the columnar bait (3) is set large, and when the artificial termite nest is replaced with a new one, the diameter of the columnar bait (3) is reduced. The diameter may be set smaller than the previous one. In this case, the use amount of the bait member (3a) can be suppressed, and it is economical.

The heat insulating part (4) is for keeping the bait (3) at the temperature and humidity preferred by termites. The heat insulating section (4) is provided so as to cover the side surface of the columnar bait (3). The material of the heat insulating portion (4) is not particularly limited, but styrene foam, which is inexpensive and lightweight, is usually used. In addition, since styrofoam also serves as a termite bait, it is a material that attracts termites together with the columnar bait (3). Further, the heat insulating portion (4) for heat retention may be in any form as long as it can surround the side surface of the columnar bait (3), but as shown in FIG. 7, is constituted by a plurality of rod-shaped members (4a), The rod-shaped member (4a) may surround the side surface of the columnar bait (3), or may be configured as a cylindrical member, and the inner peripheral surface may surround the columnar bait (3). Moreover, it may be configured as a flexible sheet material and wound around the side surface of the columnar bait (3).

The thickness of the heat insulating portion (4) is not particularly limited, but is usually about 30 to 60 mm. If this thickness is larger than 60 mm, the entire nest becomes large, making the nest replacement inconvenient, and the thickness is 30 mm.
If it is smaller, the heat retention and moisture retention are poor, and the ability to attract termites is reduced. In addition, the heat insulation part (4) for keeping heat as described above is usually provided with a coarse wire basket (not shown).
Can be put in. Thereby, the shape of the heat insulating portion (4) can be firmly held, and there is no possibility that the heat insulating portion (4) will be separated even if it is eaten by termites.

The lid (5) covers the upper end surfaces of the columnar bait (3) and the heat insulating unit (4), and keeps the columnar bait (3) at the temperature and humidity preferred by termites. The material of the lid (5) is not particularly limited, but styrene foam, which is inexpensive and lightweight, is usually used. In addition, styrofoam can also be used as termite bait, so the columnar bait (3)
It is also a material that attracts termites. The lid (5) may be in any form as long as it can cover the upper end surfaces of the columnar bait (3) and the heat insulating part (4), but usually the contour of the heat insulating part (4) The outline is large. The height of the lid (5) is not particularly limited, but usually protrudes from the ground by 50 mm or more when the lid (5) is placed on the columnar bait (3) and the heat insulating part (4). It is set as follows. By protruding the lid (5) from the ground to some extent, it can be pulled upward with the protruding portion, and the columnar bait (3) can be easily exposed and replaced. The positions of the columnar bait (3) and the heat insulating part (4) are not particularly limited, but are usually arranged such that the upper end surface thereof is located about 200 mm below the ground surface. This is because, as described above, termites often breed at a position deeper than this level.

[0028] The container (6) is for accommodating the columnar bait (3) and the heat insulating part (4), and is inserted into a hole (hereinafter referred to as a digging hole) formed by digging the ground vertically downward. Is done. The container (6) is also an earth retaining member for preventing collapse of the excavation hole. The material of the container (6) is not particularly limited, but is preferably one that is not attacked by termites. This is to make the container (6) function semipermanently as a retaining member. Examples of such a member include a vinyl chloride resin. Although the shape of the container (6) is not particularly limited, at least a termite entry port is formed, and the container (6) is provided with a take-out port for taking out the columnar bait (3) and the heat insulation (4). Need to be. As such a shape, for example, a cylindrical body can be mentioned, and among them, a cylindrical body is suitably used. This is because the cylindrical body is relatively easy to form, and in particular, the cylindrical body has high strength against earth pressure.
Preferably, a plurality of through holes are formed on the side surface of the container (6). In this case, termites can enter and exit from the through holes, and the termites can be easily attracted. The container (6) has only to be large enough to accommodate the heat insulating part (4), and usually has an inner diameter approximately equal to the outer diameter of the heat insulating part (4).

The rain cover (7) is for preventing rainwater from entering the columnar bait (3) and the heat insulating part (4). Termites like moisture but hate water itself,
By providing the rain cover (7), rainwater or the like does not enter into the columnar bait (3) and the heat insulating part (4), and the inside of the columnar bait (3) and the heat insulating part (4) is kept. It can be in a favorable state for termites. In addition, rain cover (7)
May be any material having weather resistance. The size may be any size as long as it can cover the container (6).

Next, the operation of the artificial termite nest (1) will be described. Termites have the property of approaching from below the bait, starting to eat from the bottom of the bait, and gradually increasing the range of damage by upwards. The artificial termite nest (1) is buried in a borehole. Since the artificial termite nest (1) has a structure in which the lower end surface of the columnar bait (3) is exposed, the columnar bait (3) is provided on the bottom surface of the borehole.
Contact the lower end face of The columnar bait (3) is located inside the artificial termite nest (1). Therefore, the termites can invade from the lower end of the artificial termite nest (1) and can sequentially eat the columnar bait (3) extending upward from the lower end.
In addition, since the artificial termite nest (1) has a structure in which the upper side and the side of the columnar bait (3) are surrounded by the heat insulating part (4), the columnar bait (3) has its temperature and humidity. Can be maintained in a state preferred by termites. For this reason, the artificial termite nest (1) has a structure in which termites can easily gather, and termites near the building (T) can be concentrated. Therefore, the termites do not approach the building near the ground where the artificial termite nest (1) is buried, and damage by the termites can be prevented.

In the artificial termite nest (1), the heat insulating portion (4) and the columnar bait (3) are pulled out of the excavation hole when the termites have propagated to some extent, and are replaced with new ones. Since the lid (5) is provided so as to protrude to some extent from the ground surface, it can be easily pulled out from the excavation hole. In addition, since the shape of the excavation hole is firmly held by the container (6), the heat insulating portion (4) and the columnar bait (3) can be easily pulled out. Therefore, the replacement | exchange operation of the heat insulation part (4) for heat retention and the pillar-shaped bait part (3) can be performed quickly. In addition, when the heat insulation part (4) is not damaged much, the columnar bait part (3) alone can be replaced. Since many termites nest in the replaced old member, the termites may be incinerated with the member.

As shown in FIG. 7, one or more ultrasonic sensors (11) are mounted in the artificial termite nest (1) so that information from the ultrasonic sensors (11) can be confirmed on the ground. It may be. In this case, as described in the termite control method, the increase of termites in the artificial termite nest (1) can be monitored without removing the termite nest (1). Therefore, the columnar bait (3)
This is very convenient because it is not necessary to pull out the columnar bait part (3) one by one in order to grasp the state of the bait.

[0033]

According to the first aspect of the present invention, an artificial termite nest having a termite bait is buried in the ground near a building, and termites living near the building are guided to the artificial termite nest and collected. Since this is a method for controlling termites, which is characterized by periodically disposing of termites collected in termite nests, the following effects are obtained. That is, the termites near the building are guided and collected in the artificial termite nest,
By periodically disposing the collected termites, the activity of the termite population near the building, that is, the colony, can be reduced, and the termites can be prevented from approaching the building itself. Therefore, it is possible to prevent the building from being damaged by termites. Further, when termite damage has already appeared on the structure, it is possible to prevent the damage from spreading further.

According to a second aspect of the present invention, a plurality of monitor piles that can be harmed by termites are laid on the ground near a building before or during the embedding of the artificial termite nest.
The following effects can be obtained from the termite control method described in (1). In other words, pull out the installed monitor pile and inspect it,
If the pile is damaged at that time, it can be determined that termites are active at the location where the stake was placed. Therefore, it is possible to determine in which position the artificial termite nest should be buried, and how the activity range of the termite has changed by burying the artificial termite nest.

The invention of claim 3 is the method for controlling termites according to claim 1, wherein the termites living in the building are exterminated by using a chemical before the artificial termites are buried. The following effects are obtained. In other words, before burying artificial termite nests, by terminating termites in buildings using chemicals,
There are no termites in the structure. Thereafter, if an artificial termite nest is buried in the ground near the building, the termites living in the vicinity of the building are collected in the artificial termite nest, so that the termite does not exist semi-permanently in the building. That is, by terminating the termites in the building in advance, it is possible to completely prevent the termite damage from occurring in the building thereafter.

According to a fourth aspect of the present invention, there is provided an artificial termite nest buried in the ground near a building to guide and collect termites living near the building, the container having a termite entry port, and Since this is an artificial termite nest characterized in that it is provided with a loaded bait section, the following effects are obtained. That is,
Since this artificial termite nest has a structure having a container having a termite entry port and a bait part filled in this container,
The termites are guided to the bait through the termite entrance, and can collect the termites near the building intensively. Therefore, the termites do not approach the building near the ground where the artificial termites are buried, and damage by the termites can be prevented.

According to a fifth aspect of the present invention, the container is a tubular body having upper and lower surfaces opened, and a lid is provided to cover the upper surface, and the bait portion is formed by bundling a plurality of bait members. The artificial termite nest according to claim 4, wherein the artificial termite nest according to claim 4, wherein a heat insulating portion for keeping heat is provided between the bait portion and the container. . That is, in this artificial termite nest, since the container is a tubular body having upper and lower surfaces opened, termites can be smoothly guided from the lower opening, and the bait can be easily opened and closed by opening and closing the lid. Can be replaced. Further, since the bait portion is a columnar body formed by bundling a plurality of bait members, it is easy to store moisture in a gap between the bait members. Also, the bait section is maintained at a temperature favorable for termites by the heat insulating section for keeping heat. Therefore, the artificial termite nest becomes a very favorable environment for termites, and can induce and collect a great number of termites.

According to a sixth aspect of the present invention, there is provided the artificial termite nest according to the fourth or fifth aspect, wherein a sensor for detecting an ultrasonic wave generated at the time of termite damage is provided in the bait portion. Therefore, the following effects are obtained. In other words, by providing a sensor for detecting ultrasonic waves generated at the time of termite feeding damage in the bait, the increase of termites in the bait can be monitored without removing the bait.
Therefore, it is not necessary to take out and view the bait part one by one in order to grasp the state of the bait part, which is very convenient.

[Brief description of the drawings]

FIG. 1 is a flowchart showing a first embodiment of a termite control method according to the present invention.

FIG. 2 is a plan view showing an arrangement state of an artificial termite nest used in the first embodiment.

FIG. 3 is a flowchart showing a second embodiment of a termite control method according to the present invention.

FIG. 4 is a plan view showing the arrangement of artificial termite nests and monitor piles used in a second embodiment.

FIG. 5 is a flowchart showing a third embodiment of a termite control method according to the present invention.

FIG. 6 is a diagram showing an example of the third embodiment specifically and over time.

FIG. 7 is a partial sectional view showing an artificial termite nest according to the present invention.

[Explanation of symbols]

 1 ... Artificial termite nest 2 ... Monitor pile 3 ... Pillar bait 3a ... Bait member 4 ... Heat insulation 5 ... Lid 6 ... Container 11 ... Ultrasonic sensor T ... Building

Claims (6)

[Claims] 1. An artificial termite having a termite bait section embedded in the ground near a building, termites living near the building are guided to the artificial termite nest, and collected in the artificial termite nest. A method for controlling termites, wherein the termites are periodically disposed of. 2. The method for controlling termites according to claim 1, wherein a plurality of monitor piles that can be harmed by termites are placed on the ground near a building before or during the embedding of the artificial termites. 3. The method for controlling termites according to claim 1, wherein, before embedding the artificial termites, termites living in the building are exterminated using a chemical. 4. An artificial termite nest that is buried in the ground near a building and guides and collects termites that live near the building, the container having a termite entry port, and a bait portion contained in the container. An artificial termite nest comprising: 5. The container is a tubular body having upper and lower surfaces opened, provided with a lid covering the upper surface thereof, and the bait portion is a columnar body formed by bundling a plurality of bait members. The artificial termite nest according to claim 4, wherein a heat insulating part for keeping heat is provided between the bait part and the container. 6. The artificial termite nest according to claim 4, wherein a sensor for detecting an ultrasonic wave generated at the time of termite feeding damage is provided in the bait portion.