Ampullaria gigas trapping device

Abstract

The utility model discloses a pomacea canaliculata trapping device which comprises a hollow trapping cylinder and a funnel-shaped contraction channel with two open ends. The trapping cylinder and the contraction channel are hollow shells; a plurality of openings are formed in the outer surface of the trapping cylinder in the circumferential direction, each opening of the trapping cylinder is detachably connected with the large end of the contraction channel, and the small end of the contraction channel extends into the trapping cylinder; and at least one mounting part for placing pheromones or food attractants is arranged in a space defined by the trapping cylinder and the contraction channel. According to the scheme, the openings in multiple directions are arranged to provide more access direction choices, so that the opportunity and probability of the ampullaria gigas entering are increased; and the buoyancy of the trapping cylinder can be reduced through the hollow surface shell, so that the trapping cylinder is easier to sink into water.

Description

Technical Field

[0001] The utility model relates to the technical field of aquatic organism trapping, in particular to a device for trapping golden apple snails. Background Art

[0002] The golden apple snail is one of the invasive alien species. It can reproduce in large numbers and spread rapidly, leading to an imbalance in the ecosystem and causing serious damage to agricultural production. At present, the number of golden apple snails can be controlled by physical methods such as manual capture, manual removal or setting up fences. In addition, trapping devices are placed in the water for trapping. However, the trapping efficiency of the existing trapping devices is unstable, and the number of traps captured at a time is small. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a device for trapping golden apple snails, which solves the problem that the trapping device in the prior art can capture a small number of snails at a time.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] Provided is a device for trapping golden apple snails, comprising a trapping tube with a hollow interior and a funnel-shaped contraction channel with openings at both ends; the trapping tube and the contraction channel are both hollow shells;

[0006] The outer surface of the trapping tube is provided with a plurality of openings along the annular direction, each opening of the trapping tube is detachably connected to the large end of the contraction channel, and the small end of the contraction channel extends into the interior of the trapping tube; at least one installation portion for placing pheromones or food attractants is provided in the space enclosed by the trapping tube and the contraction channel.

[0007] The beneficial effects of the utility model are as follows: the scheme provides a device for trapping apple snails with multiple opening directions. Pheromones or food attractants can attract apple snails to enter the trapping tube, and the contraction channel prevents the apple snails that have already entered from escaping. The multiple openings can provide more entry direction options, increasing the chance and probability of the apple snails entering. The hollow case can reduce the buoyancy of the trapping tube, making it easier to sink into the water. Apple snails usually look for food and habitats in the water. The trapping device submerged in the water can better contact the apple snails and improve the efficiency of capture.

[0008] Furthermore, the trapping tube is enclosed by an upper shell and a lower shell that are detachably connected; the mounting portion is a mounting tube that is arranged on the surface of the lower shell and extends toward the inner space of the trapping tube, the top of the mounting tube protrudes from the surface of the lower shell, and the protruding portion is covered with a tube cover. The tube cover is provided to facilitate replacement or replenishment of fillers inside the mounting tube. Disassembling the upper shell and the lower shell makes it easier to take out the golden apple snails inside the trapping tube and to clean the trapping tube.

[0009] Furthermore, the upper shell includes a connection surface in a planar solid structure, on which a plurality of raised connection blocks are arranged, the connection blocks are hollow inside, and the top is openably connected to a cover body. A counterweight block can be placed inside the connection block to increase the weight of the trapping tube and make it easier to sink to the bottom of the water.

[0010] Furthermore, the trapping device also includes a collecting rod; a mounting hole is provided on the surface of the connection surface, a tube body extending into the trapping tube is fixedly connected to the mounting hole; the tube body is detachably connected to the collecting rod, and the length of the collecting rod is greater than the length of the tube body. The collecting rod is preferably set as a long rod that can extend out of the water surface, so that the golden apple snail can lay eggs on the collecting rod, and then the golden apple snail eggs are uniformly eliminated.

[0011] Furthermore, a plurality of connecting holes are arranged on the connecting surface; the trapping device also includes a box-shaped light trapping lamp assembly, the lower surface of which is provided with a plurality of connecting grooves matching the shapes of the plurality of connecting blocks, and a plurality of connecting hooks matching the plurality of connecting holes; when in use, all the connecting blocks are respectively embedded in different connecting grooves, and all the connecting hooks are respectively extended into the interior of the trapping tube from different connecting holes and hook the lower surface of the connecting surface.

[0012] The light lure lamp assembly uses light to attract golden apple snails, which can further increase the probability of trapping and enhance the trapping effect.

[0013] Further, the light lure lamp assembly includes a photoresistor sensor, a power module, a controller and a tubular light lure lamp arranged on the lower surface of the light lure lamp assembly, the light lure lamp is electrically connected to the power module and the controller, and the photoresistor sensor is electrically connected to the controller;

[0014] The surface of the connection surface is provided with a mounting hole, to which a hollowed-out tube body extending into the trapping tube is fixedly connected; during use, the light trapping lamp extends into the tube body;

[0015] The wavelength of the light attractant lamp is yellow light band, green light band or blue light band.

[0016] Pomacea apple snails are afraid of strong light and are less active during the day, but relatively active at night and on cloudy days. You can use light of different wavelengths at night to attract different types of Pomacea apple snails. The light emitted by the light lure can pass through the hollow tube and the trap tube and enter the water, thereby using light to attract Pomacea apple snails into the trap tube.

[0017] Furthermore, the installation tube is provided with a plurality of micro-holes for the pheromone gas or food attractant smell to be released, and the inner wall of the installation tube is covered with a waterproof breathable membrane. In order to slow down the consumption of pheromones and reduce the replacement frequency, the pheromones can be dispersed into the water in the form of gas through the waterproof breathable membrane and spread by the water body.

[0018] Furthermore, there are two installation tubes, and the pheromone and food attractant are placed in different installation tubes. Pomacea canaliculata usually finds food by sensing chemicals and odors in the water, and is attracted to the trapping tube by the smell of food bait. Setting two trapping sources at the same time can further increase the trapping probability and enhance the trapping effect.

[0019] Furthermore, a flexible baffle is fixedly connected to the small end of the contraction channel, and the baffle is evenly arranged in a cone shape along the cross section of the contraction channel. The baffle can further reduce the opening diameter at the end of the contraction channel and reduce the escape probability of the golden apple snail.

[0020] Furthermore, at least one connecting ring is provided on the trapping tube, through which a rope or the like can pass to pull the trapping tube so as to quickly salvage the trapping tube by the rope or the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 An isometric view of an exploded snail trap;

[0022] Figure 2 This is a front view of the explosion of the golden apple snail trap;

[0023] Figure 3 This is an isometric view of the device for trapping apple snails;

[0024] Figure 4 It is a schematic diagram of the first embodiment of the device for trapping golden apple snails;

[0025] Figure 5 It is a schematic diagram of the second embodiment of the device for trapping golden apple snails;

[0026] Figure 6 It is a schematic diagram of the structure of the light attractant lamp assembly.

[0027] Among them, 1. trapping tube; 11. upper shell; 111. connecting surface; 112. connecting block; 113. connecting hole; 114. mounting hole; 12. lower shell; 13. connecting ring; 3. mounting tube; 31. tube cover; 4. light luring lamp assembly; 41. connecting groove; 42. connecting hook; 43. light luring lamp; 5. tube body; 6. contraction channel; 61. baffle bar; 7. collecting rod. DETAILED DESCRIPTION

[0028] The specific implementation methods of the utility model are described below to facilitate technical personnel in this technical field to understand the utility model, but it should be clear that the utility model is not limited to the scope of the specific implementation methods. For ordinary technical personnel in this technical field, as long as various changes are within the spirit and scope of the utility model defined and determined by the attached claims, these changes are obvious, and all utility model creations using the concept of the utility model are protected.

[0029] like Figure 3 As shown, the golden apple snail trapping device of this scheme includes a trapping tube 1 with a hollow interior and a funnel-shaped contraction channel 6 with openings at both ends; the outer surface of the trapping tube 1 is provided with a plurality of openings along the circumferential direction, each opening of the trapping tube 1 is detachably connected to the large end of the contraction channel 6, and the small end of the contraction channel 6 extends into the interior of the trapping tube 1. This scheme provides a golden apple snail trapping device with multiple opening directions, and its multiple openings can provide more entry direction options, thereby increasing the chance and probability of the golden apple snail entering. The contraction channel 6 can prevent the golden apple snail that has entered from escaping.

[0030] More specifically, in a trapping tube 1 with one opening, if multiple golden apple snails are attracted at the same time, competition pressure will be generated between them, resulting in a reduced probability of capture. A trapping tube with multiple openings can reduce competition pressure, allowing more golden apple snails to have the opportunity to enter. And one opening has a directional restriction, and the golden apple snail may be more likely to miss or ignore this entrance. Multiple openings can provide more entry direction options, increasing the chances of the golden apple snail entering.

[0031] The trapping tube 1 and the contraction channel 6 are both hollow shells. The hollow shell can reduce the buoyancy of the trapping tube 1, making it easier to sink into the water. Pomacea canaliculata usually looks for food and habitat in the water. The trapping device submerged in the water can better contact the Pomacea canaliculata, thereby improving the efficiency of capture.

[0032] refer to Figure 1-Figure 2 The trapping tube 1 is enclosed by an upper shell 11 and a lower shell 12 that are detachably connected; at least one mounting portion for placing pheromones or food attractants is provided in the space enclosed by the trapping tube 1 and the contraction channel 6. The mounting portion includes a mounting tube 3 that is arranged on the surface of the lower shell 12 and extends to the internal space of the trapping tube 1. The top of the mounting tube 3 protrudes from the surface of the lower shell 12, and the protruding portion is covered with a tube cover 31. The outer surface of the protruding portion of the mounting tube 3 is preferably provided with a thread, which is threadedly connected to the tube cover 31. With this design, the tube cover 31 is located on the outer side of the lower shell 12, which makes it easier to remove the tube cover 31, so as to replace or supplement the pheromones or food attractants. The upper shell 11 and the lower shell 12 are disassembled to make it easier to take out the golden apple snails inside the trapping tube 1, and to facilitate cleaning of the trapping tube 1.

[0033] A flexible baffle 61 is fixedly connected to the small end of the contraction channel 6, and the baffles 61 are evenly arranged in a cone shape along the cross section of the contraction channel 6. The baffles 61 can further reduce the opening diameter at the end of the contraction channel 6, reducing the probability of the golden apple snail escaping. When the golden apple snail reaches the flexible baffle 61, the baffle 61 cannot bear the weight of the golden apple snail, and will become soft and deformed, causing the golden apple snail to fall into the trapping tube 1. However, it is difficult for the golden apple snail to move the baffle 61 and climb out of the contraction channel 6 by its own strength.

[0034] At least one connecting ring 13 is provided on the trapping tube 1. The connecting ring can be passed through by a rope or the like, the trapping tube 1 is pulled, and the other end of the rope is fixed to the shore, so that the trapping tube 1 can be quickly salvaged by the rope or the like.

[0035] The upper shell 11 includes a connecting surface 111 of a planar solid structure, on which a plurality of protruding connecting blocks 112 are arranged, the interior of the connecting block 112 is hollow, and the top thereof is openably connected to a cover body. After the cover body is opened, a counterweight block can be placed inside the connecting block 112 to increase the weight of the trapping tube 1 and make it easier to sink to the bottom of the water.

[0036] When in use, the connection surface 111 in this solution has two embodiments of the matching relationship with other components.

[0037] Embodiment 1

[0038] like Figure 4 As shown, the trapping device also includes a collecting rod 7. The surface of the connecting surface 111 is provided with a mounting hole 114, and the mounting hole 114 is fixedly connected with a tube body 5 extending into the interior of the trapping tube 1. The collecting rod 7 is detachably connected to the tube body 5. When in use, a collecting rod 7 can be inserted into the tube body 5. After insertion, the collecting rod 7 is tightly connected to the tube body 5 to prevent the collecting rod 7 from falling off. And the weight of the collecting rod 7 should be relatively light to prevent the center of gravity of the device from being unstable and tipping over after the collecting rod 7 is inserted into the tube body 5. The length of the collecting rod 7 is greater than the length of the tube body 5, and its length needs to be able to extend out of the water surface when in use, so that the golden apple snail can lay eggs on the collecting rod 7, which is convenient for uniformly eliminating the golden apple snail eggs. According to the habit of the golden apple snail, it likes to climb to the rod-shaped stem of the plant above the water surface to lay eggs. The purpose of setting the collecting rod 7 is to simulate the rod-shaped stem and attract the golden apple snail to lay eggs on a section of the collecting rod 7 extending out of the water surface.

[0039] Embodiment 2

[0040] like Figure 6 As shown, a plurality of connection holes 113 are provided on the connection surface 111. The trapping device also includes a box-shaped light-luring lamp assembly 4, a plurality of connection grooves 41 matching the shapes of the plurality of connection blocks 112 are provided on the lower surface thereof, and a connection hook 42 matching the shapes of the connection holes 113 is provided. When in use, all the connection blocks 112 are respectively embedded in different connection grooves 41, and the connection hook 42 extends from the connection hole 113 into the interior of the trapping tube 1 and hooks the lower surface of the connection surface 111. The light-luring lamp assembly 4 attracts the golden apple snail by light luring, which can further increase the probability of trapping and enhance the trapping effect. The installation position of the light-luring lamp assembly 4 can be referred to Figure 5 .

[0041] The light lure lamp assembly 4 includes a photoresistor sensor, a power module, a controller and a tubular light lure lamp 43 arranged on the lower surface of the light lure lamp assembly 4. The light lure lamp 43 is electrically connected to the power module and the controller, and the photoresistor sensor is electrically connected to the controller.

[0042] The surface of the connection surface 111 is provided with a mounting hole 114 , to which a hollowed-out tube body 5 extending into the interior of the trapping tube 1 is fixedly connected; the light trapping lamp 43 extends into the tube body 5 during use.

[0043] At night, the photoresistor sensor senses the light change and transmits the signal to the controller, and the controller controls the light luring lamp 43 to turn on. The light emitted by the light luring lamp 43 can pass through the hollow tube 5 and the trapping tube 1 into the water, thereby using light to attract the golden apple snails into the trapping tube 1. The controller can be a micro PLC controller, and the photoresistor sensor can be Longxinda LXD / GB5-A1C. The light luring lamp assembly 4 adopts a waterproof design and can work normally underwater.

[0044] The wavelength of the light attractant lamp 43 is yellow light, green light or blue light. Pomacea canaliculata is afraid of strong light, is less active during the day, and is relatively active at night and on cloudy days. Different types of Pomacea canaliculata can be attracted by using light of different wavelengths at night, among which yellow snails have the highest tendency to yellow light, and black snails have a more obvious tendency to green and blue light.

[0045] As a preferred embodiment of the utility model, the mounting tube 3 should be provided with a plurality of micropores for the pheromone gas or food attractant smell to be dispersed, and the inner wall of the mounting tube 3 is covered with a waterproof breathable membrane. This is because the trapping tube 1 is placed in a water body during use, but most of the pest pheromones are usually soluble in water. If the pheromone in the mounting tube 3 is directly placed in water, the pheromone will be quickly dissolved and dispersed into the water, which will accelerate the consumption rate of the pheromone and make the replacement frequency of the pheromone higher. In order to slow down its consumption rate and reduce the replacement frequency of the pheromone, the pheromone can be dispersed into the water in the form of gas through a waterproof breathable membrane and spread by the water body. The material of the waterproof breathable membrane can be EVA ethylene vinyl acetate copolymer, PEP fluorinated ethylene propylene copolymer or PVDF polyvinylidene fluoride, etc.

[0046] When this solution is implemented, the number of installation tubes 3 is preferably two, and the pheromone and food attractant are respectively placed in different installation tubes 3. This solution can trap by attracting pheromones and food at the same time, which can further increase the trapping probability and enhance the trapping effect.

[0047] In addition to pheromones that can attract golden apple snails, food can also attract golden apple snails. Golden apple snails usually find food by sensing chemicals and odors in the water, and are attracted to the smell of bait and enter the trapping tube 1. The smell of bait can be dispersed through the micropores to attract the golden apple snails. Although the bait can also enter the water through the micropores, it can only be dispersed slowly in a small amount from the micropores, and the micropores can prevent the golden apple snails from directly touching the food attractants inside the mounting tube 3, preventing the golden apple snails from quickly eating up the bait. Depending on the type of food and the solubility, the inner wall of the mounting tube 3 where the food attractants are placed can be covered with a layer of waterproof and breathable film, or it can be uncovered. In summary, this solution increases the chance and probability of the golden apple snail entering by providing more entry direction options by setting openings in multiple directions; the buoyancy of the trapping tube 1 can be reduced by the hollowed-out case, making it easier to sink into the water.

Claims

1. A device for trapping golden apple snails, characterized in that: It comprises a trapping tube (1) with a hollow interior and a funnel-shaped contraction channel (6) with openings at both ends; the trapping tube (1) and the contraction channel (6) are both hollow shells; The outer surface of the trapping tube (1) is provided with a plurality of openings in a circumferential direction, each opening of the trapping tube (1) is detachably connected to the large end of the contraction channel (6), and the small end of the contraction channel (6) extends into the interior of the trapping tube (1); at least one installation portion for placing pheromones or food attractants is provided in the space enclosed by the trapping tube (1) and the contraction channel (6).

2. The device for trapping golden apple snails according to claim 1, characterized in that: The trapping tube (1) is formed by an upper shell (11) and a lower shell (12) that are detachably connected; the mounting portion comprises a mounting tube (3) that is arranged on the surface of the lower shell (12) and extends toward the internal space of the trapping tube (1); the top of the mounting tube (3) protrudes from the surface of the lower shell (12), and the protruding portion is covered with a tube cover (31).

3. The device for trapping golden apple snails according to claim 2, characterized in that: The upper shell (11) comprises a connecting surface (111) in a planar solid structure, on which a plurality of protruding connecting blocks (112) are arranged, the interior of the connecting blocks (112) is hollow, and the top is openably connected to a cover body.

4. The device for trapping golden apple snails according to claim 3, characterized in that: The trapping device also includes a collecting rod (7); a mounting hole (114) is provided on the surface of the connecting surface (111); a tube body (5) extending into the interior of the trapping tube (1) is fixedly connected to the mounting hole (114); the tube body (5) is detachably connected to the collecting rod (7), and the length of the collecting rod (7) is greater than the length of the tube body (5).

5. The device for trapping golden apple snails according to claim 3, characterized in that: The connecting surface (111) is provided with a plurality of connecting holes (113); The trapping device also includes a box-shaped light trap lamp assembly (4), the lower surface of which is provided with a plurality of connection grooves (41) that match the shapes of the plurality of connection blocks (112), and a plurality of connection hooks (42) that match the plurality of connection holes (113); when in use, all the connection blocks (112) are respectively embedded in different connection grooves (41), and all the connection hooks (42) extend into the interior of the trapping tube (1) from different connection holes (113) and hook the lower surface of the connection surface (111).

6. The device for trapping golden apple snails according to claim 5, characterized in that: The light lure lamp assembly (4) comprises a photoresistor sensor, a power module, a controller and a tubular light lure lamp (43) arranged on the lower surface of the light lure lamp assembly (4); the light lure lamp (43) is electrically connected to the power module and the controller, and the photoresistor sensor is electrically connected to the controller; The surface of the connection surface (111) is provided with a mounting hole (114), and a hollowed-out tube body (5) extending into the interior of the trapping tube (1) is fixedly connected to the mounting hole (114); when in use, the light trapping lamp (43) extends into the tube body (5); The wavelength of the light attracting lamp (43) is a yellow light wavelength, a green light wavelength, or a blue light wavelength.

7. The device for trapping Pomacea canaliculata according to claim 2, characterized in that: The installation tube (3) is provided with a plurality of micro-holes for the pheromone gas or the smell of the food attractant to be released, and the inner wall of the installation tube (3) is covered with a layer of waterproof and breathable membrane.

8. The device for trapping golden apple snails according to claim 7, characterized in that: The number of the installation tubes (3) is two, and the pheromone and food attractant are respectively placed in different installation tubes (3).

9. The device for trapping golden apple snails according to claim 1, characterized in that: A flexible baffle (61) is fixedly connected to the small end of the contraction channel (6), and the baffle (61) is evenly arranged in a cone shape along the cross section of the contraction channel (6).

10. The device for trapping Pomacea canaliculata according to claim 1, characterized in that: At least one connecting ring (13) is provided on the trapping tube (1).

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