JP2014083005A - Insect trap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an insect trap capable of enhancing the probability of injurious insect trap better and suppressing the damages on fruit trees, vegetables and crop plants by the injurious insect.SOLUTION: An insect trap 100 comprises: induction light sources (210, 220) for emitting lights to attract injurious insect; a cone-shaped reflection portion 160 arranged vertically below the attraction light sources (210, 220) for reflecting the light beams emitted from the attraction light sources (210, 220), vertically upward; an outer cylinder portion 180 arranged vertically below the cone-shaped reflection part 160 for forming a clearance the reflection portion 160; a fan 190 for establishing an air flow to be sucked from the clearance into the cone-shaped reflection portion 180; and nets (310, 320) arranged vertically below the fan 190, for capturing the injurious insect. At a portion of the cone-shaped reflection portion 160, there is formed a window portion 165 for transmitting the lights emitted from the attraction light sources (210, 220).

Description

  The present invention relates to an insect trap for extermination of a cultivated crop caused by pests in a plantation.

  In an orchard where fruit trees such as strawberries and peaches are cultivated, or in a farm where crops such as spinach and chrysanthemum are cultivated, it is necessary to eliminate them in order to reduce fruit damage by the pests and crops.

  Therefore, for example, a method has been proposed in which a pest is attracted by an attracting light source using a blue fluorescent lamp and is killed by electrical stimulation, or sucked by a blower and captured.

For example, Patent Document 1 (Japanese Patent Application Laid-Open No. 2005-229997) discloses a flying means comprising an attracting light source 2 and reflectors 4 and 5, an electric motor 6, a fan 7, a white insect net 8, and the like with reference to FIG. An insect trap composed of killing and capturing means is disclosed. In such an insect trap, the insect attracted by the light of the light source 2 is slid down by the reflectors 4 and 5, and sucked and killed by the blowers 6 and 7 below it, and dropped into the trap net 8. .
JP 2005-229997 A

  In the conventional insect trap, the light from the attracting light source 2 does not reach the area below the reflector 5, and the probability that the insect pest in the area is attracted by the attracting light source 2 and captured and exterminated is very low. There was a problem of becoming.

  With conventional insect traps, even if there are only a few pests that have not been captured, the breeding speed is very fast depending on the type of pest, and there are many that increase exponentially over time, so there is a slight probability of extermination. The decline in the number of fruits was also a problem because the impact on damage to fruit trees, vegetables, and crops increased.

  The present invention solves the above-described problem, and the insect trap according to the present invention is arranged below the attracting light source, an attracting light source that emits light that attracts pests, and from the attracting light source. A mortar-like reflecting portion that reflects the emitted light vertically upward, an outer cylinder portion that is arranged vertically below the mortar-like reflecting portion, and that forms a gap between the mortar-like reflecting portion, and the gap from the gap An insect trap that includes a fan that generates an airflow to be sucked into an outer cylinder portion, and a net that is disposed vertically below the fan and that captures pests. A window portion that transmits light emitted from the light source is formed.

  Further, the insect trap according to the present invention is characterized in that the attracting light source includes a first attracting light source having a first radiation wavelength range and a second attracting light source having a second radiation wavelength range. .

  The insect trap according to the present invention is characterized in that the first attracting light source has a radiation wavelength range of 500 nm to 750 nm and the second attracting light source has a radiation wavelength range of 300 nm to 500 nm.

The insect trap according to the present invention is characterized in that the net includes a first capture net and a second capture net surrounding an outer periphery of the first capture net.

  The insect trap according to the present invention is characterized in that the meshes of the first capture net are provided with coarser portions than the meshes of the second capture net.

  In addition, the insect trap according to the present invention is characterized in that a disk-like reflecting portion that reflects light emitted from the attracting light source vertically downward is arranged vertically above the attracting light source.

  In addition, the insect trap according to the present invention is characterized in that a chemical substance disposition part to which a chemical substance can be attached is provided between the disc-shaped reflection part and the attracting light source.

  The insect trap according to the present invention is characterized in that the chemical substance is an attractant for attracting pests.

  According to the insect trap according to the present invention, a part of the mortar-shaped reflector is formed with a window that transmits light emitted from the attracting light source, and the area below the mortar-shaped reflector is also formed. Since the light from the attracting light source arrives, the pests in the area are attracted by the attracting light source and are captured and exterminated, so that it is possible to further increase the probability of exterminating the pests. , Can reduce damage to crops.

It is a figure explaining the outline | summary of the insect trap 100 which concerns on embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram illustrating an outline of an insect trap 100 according to an embodiment of the present invention.

  The insect trap 100 is assumed to be used by suspending it with a suspension line 110, for example. The main configuration of the insect trap 100 is substantially symmetric with respect to the virtual axis OO ′ through which the hanging line 110 passes. For example, the first attracting light source 210 has a substantially donut shape.

  The hanging line 110 basically suspends the disc-like reflecting portion 120 and the conical reflecting portion 150. In addition, a chemical substance disposing part 130 is attached to the hanging line 110 between the disc-like reflecting part 120 and the conical reflecting part 150.

  From the upper three positions on the circumferential surface of the conical reflector 150, first fixtures 151 are provided so as to extend from the circumferential surface, and the first attracting light source 210 is supported by the three first fixtures 151. It has come to be.

  Similarly, the second fixing bracket 152 is provided so as to extend from the lower three places on the peripheral surface of the conical reflector 150, and the second attraction is performed by the three second fixing brackets 152. The light source 220 is supported.

  Note that the number of the first fixing brackets 151 and the second fixing brackets 152 provided on the circumferential surface of the conical reflecting portion 150 is not limited to three as described above.

The first attracting light source 210 and the second attracting light source 220 are fluorescent tubes that emit light by a ballast (not shown), and have different radiation wavelength ranges. In this embodiment,
Although description will be made based on an example using the first attracting light source 210, the second attracting light source 220, and a fluorescent tube, other light sources such as an incandescent light bulb, a mercury lamp, a sodium lamp, and an LED may be used.

  When both the first attracting light source 210 and the second attracting light source 220 emit light, they function as light sources that attract pests.

  A support rod (not shown) extends from three locations at the bottom of the conical reflector 150, and the bowl-shaped reflector 160 is supported and fixed by these support rods. A space other than the support rod between the bottom of the conical reflector 150 and the mortar-like reflector 160 is a gap, and pests can be sucked from this gap.

  In addition, an inner cylindrical portion 170 extends vertically downward from the bottom of the mortar-shaped reflecting portion 160. A support rod (not shown) extends from three locations on the outer peripheral surface of the inner tube portion 170, and the outer tube portion 180 is supported and fixed by these support rods. A space other than the support rod between the mortar-shaped reflecting portion 160, the inner cylindrical portion 170 and the outer cylindrical portion 180 is a gap, and pests can be sucked from the gap.

  A fan 190 that is rotationally driven by a motor (not shown) is provided in the outer cylinder portion 180. As the fan 190 rotates, an air current sucked vertically downward in the mortar-shaped reflector 160 is generated in the gap between the conical reflector 150 and the mortar-shaped reflector 160, and the mortar-shaped reflector 160. In the gap between the inner cylinder part 170 and the outer cylinder part 180, an air flow sucked vertically downward in the outer cylinder part 180 is generated.

As a result, the first attracting light source 210 and the second attracting light source 220 and the pest attracted are attracted in the direction of a ₁ or a ₂ .

Two types of nets, a first capture net 310 and a second capture net 320, are attached vertically below the outer cylinder portion 180. The second capture net 320 is provided so as to surround the outer periphery of the first capture net 310. Pests sucked in the direction of a ₁ or a ₂ are captured and exterminated by these nets.

The first attracting light source 210 and the second attracting light source 220 emit light, and the shaded portion of the disc-like reflecting portion 120 disposed vertically above these attracting light sources functions as a reflecting surface, thereby reflecting the reflected light. r ₁ is formed. The disc-shaped reflecting portion 120 is a disc-shaped flat plate portion 1.
21 and a tapered peripheral edge 122 extending in an angled manner from now on, and acts to condense the light of the attracting light source in the vicinity of the attracting light source.

  In the case where the first attracting light source 210 and the second attracting light source 220 are installed so as to be at a relatively low position (for example, about 50 cm above the ground), it is preferable not to provide the disc-shaped reflecting portion 120. The insect trap 100 may be used.

Further, the first attracting light source 210 and the second attracting light source 220 emit light, and the oblique line portion of the conical reflecting portion 150 arranged vertically below these attracting light sources functions as a reflecting surface, thereby reflecting the light. Light r ₂ is formed.

In addition, the first attracting light source 210 and the second attracting light source 220 emit light, so that the inner surface portion 161 (shaded portion) of the mortar-shaped reflecting portion 160 disposed vertically below these attracting light sources functions as a reflecting surface. By doing so, the reflected light r ₃ is formed.

A window portion 165 made of transparent plastic or the like is formed in a part of the mortar-shaped reflection portion 160, and a portion of the light emitted from the attracting light source is transmitted light t ₁ , and the mortar-shaped reflection portion 16
The outer surface portion 162 of 0 is reached. As a result, the pests in the area below the mortar-shaped reflecting portion 160 are also attracted by the attracting light source and sucked in the direction a ₂ by the fan 190, and the mortar-shaped reflecting portion 160, the inner cylindrical portion 170, and the outer cylindrical portion 180 Captured from the gap between.

  Thus, according to the insect trap 100 according to the present invention, the mortar-shaped reflector 160 is formed with a window 165 that transmits light emitted from the attracting light source in part of the mortar-shaped reflector 160. Since the light from the attracting light source also reaches the area below the pest, the pests in the area are attracted by the attracting light source and captured and exterminated, so the probability of pest extermination can be further increased As a result, damage to fruit trees, vegetables, and crops by pests can be suppressed.

  Moreover, in the insect trap 100 which concerns on this embodiment, the attracting light source consists of the 1st attracting light source 210 which has a 1st radiation wavelength range, and the 2nd attracting light source 220 which has a 2nd radiation wavelength range. Yes.

  The first attracting light source 210 preferably has a radiation wavelength region of 500 nm or more and 750 nm or less and forms a maximum radiation peak wavelength region in the range of 540 nm or more and 630 nm or less. As a result, whiteflies, thrips, flies, and aphids can be efficiently attracted.

  The second attracting light source 220 preferably has a radiation wavelength range of 300 nm to 500 nm and forms a maximum radiation peak wavelength range of 340 nm to 450 nm. Thereby, it becomes possible to attract thrips and flies efficiently.

  In this embodiment, a light source having a radiation wavelength range of 500 nm to 750 nm is described on the upper side, and a light source having a radiation wavelength range of 300 nm to 500 nm is provided on the lower side as an example. It is also possible to replace the upper and lower stages of the light source having such a radiation wavelength range.

  In the present embodiment, the first attracting light source 210 and the second attracting light source 220 are described as having a substantially donut shape. However, in the insect trap 100 according to the present invention, the shape of the light source is the same. It is not limited to.

  According to the insect trap 100 according to the present invention as described above, the attraction light source includes a first attraction light source 210 having a first emission wavelength range, a second attraction light source 220 having a second emission wavelength range, Therefore, by the attracting light source, the types of pests that can be attracted can be increased, the probability of pest control can be further increased, and damage to fruit trees, vegetables, and crops by the pests can be suppressed.

  In the present embodiment, the first attracting light source 210 and the second attracting light source 220 are provided as the attracting light source. However, more kinds of attracting light sources may be used. Needless to say.

  In the insect trap 100 according to the present embodiment, the net includes a first capture net 310 and a second capture net 320 surrounding the outer periphery of the first capture net 310. The second catching net 320 is provided with a portion having coarser mesh and higher strength than the mesh of the second catching net 320.

  In the insect trap 100 according to the present embodiment, the first catching net 310 includes a base 311 having a mesh with the same fineness as that of the second catching net 320, and a base 311 extending from the base 311. The front end portion 312 is coarser than the mesh of the net 320.

  Here, as the second capture net 320 and the base 311 of the first capture net 310, it is preferable to use a mesh having a mesh size of about 01 mm to 0.3 mm. It is preferable to use a tip having a mesh (mesh) of about 5 mm.

  Note that the first capture net 310 does not have a two-stage net configuration of the base 311 and the tip 312, and the entire first capture net 310 is coarser than the mesh of the second capture net 320 and has a higher strength. May be used.

  According to the insect trap 100 according to the present invention as described above, even when a relatively large insect has been captured, a spot with a rough eye is eroded by the insect and no hole is formed. The captured pests do not escape from the net, and it is possible to further increase the probability of extermination of the pests, thereby suppressing damage to fruit trees, vegetables, and crops by the pests.

  In the insect trap 100 according to the present embodiment, a chemical substance disposing part 130 to which a chemical substance can be attached is provided between the disc-like reflecting part 120 and the attracting light source. As the chemical substance to be disposed in the chemical substance disposing unit 130, it is preferable to use an attractant such as a sex pheromone agent, an aggregate pheromone agent, or a lactic acid bacteria secretion product that attracts pests. In this case, a synergistic effect with the pest attracting effect by the first attracting light source 210 and the second attracting light source 220 can be expected.

  On the other hand, as the chemical substance disposed in the chemical substance disposing unit 130, a repellent that insects repel may be used. In this case, while preventing unwanted insects from getting close to the plantation or orchard, pests that are harmful to the crops are captured and captured based on the pest attracting effect of the first and second attracting light sources 210 and 220. You can get rid of it.

  In the above embodiment, the insect trap 100 is suspended by the hanging line 110 and the virtual axis OO ′ is parallel to the vertical direction. However, depending on the type of fruit tree, vegetable, or crop, the insect trap 100 is used. It is also possible to use the insect trap 100 in such a manner that the virtual axis OO ′ is parallel to the horizontal plane. When the insect trap 100 is used in such an installation form, it is often preferable not to provide the disc-shaped reflecting portion 120. Therefore, the insect trap 100 may be used by removing it.

DESCRIPTION OF SYMBOLS 100 ... Insect trap 110 ... Suspension line 120 ... Disc-shaped reflection part 121 ... Flat plate part 122 ... Tapered peripheral part 130 ... Chemical substance arrangement | positioning part 150 ... Conical reflection Part 151... First fixing bracket 152... Second fixing bracket 160... Mortar-shaped reflecting portion 161 .. Inner surface portion 162 .. Outer surface portion 165. 180 ... outer cylinder 190 ... fan 210 ... first attracting light source 220 ... second attracting light source 310 ... first capture net 311 ... base 312 ... tip 320 ...・ Second capture net

Claims (8)

An attracting light source that emits light to attract pests;
A mortar-like reflector that is arranged vertically below the attracting light source and reflects light emitted from the attracting light source vertically upward;
An outer cylinder portion that is arranged vertically below the mortar-shaped reflection portion, and forms a gap between the mortar-shaped reflection portion, and
A fan that generates an airflow sucked into the outer cylinder portion from the gap;
An insect trap that is arranged vertically below the fan and comprises a net for capturing pests,
The insect trap, wherein a part of the mortar-shaped reflecting portion is formed with a window portion that transmits light emitted from the attracting light source. The insect trap according to claim 1, wherein the attracting light source includes a first attracting light source having a first radiation wavelength range and a second attracting light source having a second radiation wavelength range. The insect trap according to claim 2, wherein the first attracting light source has a radiation wavelength range of 500 nm to 750 nm, and the second attracting light source has a radiation wavelength range of 300 nm to 500 nm. The insect trap according to any one of claims 1 to 3, wherein the net includes a first capture net and a second capture net surrounding an outer periphery of the first capture net. The insect trap according to claim 4, wherein the mesh of the first capture net is provided with a portion having a coarser mesh than the mesh of the second capture net. 6. The disk-like reflecting portion for reflecting light emitted from the attraction light source vertically downward is arranged vertically above the attraction light source. 6. The insect trap as described. The chemical substance arrangement | positioning part which can attach a chemical substance is provided between the said disk shaped reflection part and the said attracting light source, The any one of Claim 1 thru | or 6 characterized by the above-mentioned. Insect trap. The insect trap according to claim 7, wherein the chemical substance is an attractant that attracts pests.

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