A trichogramma release device for corn earworm control

Abstract

The utility model discloses a kind of trichogramma release device for corn ear stage pest control, it includes inside hollow release box, the middle part of release box is provided with the release passage of penetration, multiple placement cabins for placing trichogramma egg card are formed by spacing plate around release passage inside hollow release box, and placement cabin and release passage are communicated by through-hole;Different kinds of trichogramma egg card can be placed in the placement cabin of release box in the utility model, after trichogramma eclosion, fly out from release passage through through-hole, so that the eclosion of trichogramma is not influenced by external factors, so as to improve the eclosion rate and survival rate of trichogramma.

Description

Technical Field

[0001] This utility model relates to the field of agricultural pest control technology, specifically to a Trichogramma wasp release device for controlling pests during the corn tasseling stage. Background Technology

[0002] The corn tasseling stage is a peak period for various lepidopteran pests, mainly including the corn borer, cotton bollworm, peach fruit borer, and sorghum stalk borer. These pests not only feed on corn leaves but also directly damage the ear tissue, leading to kernel damage, ear rot, and the production of toxins and other harmful substances, severely impacting corn yield and quality. While traditional chemical control methods can quickly control pest populations, long-term use can easily lead to increased pest resistance, excessive pesticide residues, and ecological imbalance. Therefore, developing efficient and environmentally friendly biological control technologies has become an urgent need for sustainable agricultural development.

[0003] Trichogramma wasps are parasitic wasps that infest insect eggs. They can parasitize the eggs of 220 species of insects belonging to 98 genera and 40 families, including Lepidoptera, Diptera, Coleoptera, and Megaloptera. They primarily parasitize 64 species of agricultural and forestry pests, such as the Asian corn borer, wheat moth, cabbage looper, beet armyworm, tobacco budworm, and cotton bollworm. Currently, using Trichogramma wasps to control harmful insects is one of the most widely applied, extensive, and effective biological control technologies in production.

[0004] Traditional methods of controlling harmful insects with Trichogramma wasps involve hanging paper Trichogramma wasp egg cards directly on the plants around the perimeter of the plot. However, due to factors such as high temperatures and rain, the emergence and survival rates of Trichogramma wasps are low, and using toothpicks to insert them can damage plant tissue. Utility Model Content

[0005] To address the aforementioned problems in the existing technology, this utility model provides a Trichogramma wasp release device for controlling pests during the corn tasseling stage, which solves the problem that existing Trichogramma wasp egg cards are easily affected by external factors, resulting in low emergence and survival rates of the Trichogramma wasps.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] A Trichogramma wasp release device for controlling pests during the corn tasseling stage is provided. It includes a hollow release box with a through release channel in the middle. Multiple placement chambers for placing Trichogramma wasp egg cards are formed around the release channel inside the hollow release box by partitions. The placement chambers are connected to the release channel by through holes.

[0008] This invention allows for the placement of different types of Trichogramma egg cards within the release chamber of the release box. After the Trichogramma emerges, it flies out through the release channel via the through-hole, thus protecting the Trichogramma's emergence from external factors and improving its emergence rate and survival rate.

[0009] Furthermore, the side wall of the release box located at one end of the release channel is provided with an opening, and a slot is provided around the opening, with a movable plate inside the slot; a release hole is provided in the middle of the movable plate, and the release hole is concentric with the release channel.

[0010] Furthermore, the side walls of the release box located at both ends of the release channel are open, and slots are provided around the openings, with movable plates installed inside the slots;

[0011] A release hole is provided in the middle of the movable plate, and the release hole is concentric with the release channel.

[0012] Furthermore, the placement chamber is equipped with a placement bracket, and the Trichogramma egg card is attached to the end face of the placement bracket.

[0013] Furthermore, a rain shelter is provided at the top of the release box, and the rain shelter is installed at the center of the top of the release box via a support column.

[0014] Furthermore, a base is provided at the bottom of the release box; the base includes a base plate, which is placed on the ground by a fixing pin; a connecting column is provided on the upper surface of the base plate, and the connecting column is connected to the bottom surface of the release box by a flange.

[0015] This utility model discloses a Trichogramma wasp release device for controlling pests during the corn tasseling stage, and its beneficial effects are as follows:

[0016] This invention places different types of Trichogramma egg cards into the placement chamber of the release box. After the Trichogramma emerges, it flies out through the release channel via the through hole, thus protecting the Trichogramma's emergence from external factors and improving its emergence rate and survival rate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a Trichogramma wasp release device for controlling pests during the corn tasseling stage according to this utility model.

[0018] Figure 2 This is a schematic diagram of the internal structure of the release box of this utility model.

[0019] Figure 3 This is a schematic diagram of the left side structure of the release box of this utility model.

[0020] The components include: 1. Release box; 2. Release channel; 3. Partition plate; 4. Placement compartment; 5. Through hole; 6. Slot; 7. Movable plate; 8. Release hole; 9. Ventilation opening; 10. Placement bracket; 11. Rain shelter; 12. Support column; 13. Base plate; 14. Fixing pin; 15. Connecting column. Detailed Implementation

[0021] The specific embodiments of this utility model are described below to enable those skilled in the art to understand this utility model. However, it should be understood that this utility model is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of this utility model as defined and determined by the appended claims, these changes are obvious. All utility model creations utilizing the concept of this utility model are within the scope of protection.

[0022] Example 1

[0023] refer to Figures 1-3 This embodiment provides a Trichogramma release device for controlling pests during the corn tasseling stage. Its purpose is to solve the problem that existing Trichogramma egg cards are easily affected by external factors, resulting in low emergence and survival rates of Trichogramma wasps. The specific structure of this embodiment will be described in detail below.

[0024] A Trichogramma wasp release device for controlling pests during the corn tasseling stage includes a hollow release box 1.

[0025] Specifically, a through release channel 2 is provided in the middle of the release box 1. Inside the hollow release box 1, multiple placement chambers 4 are formed around the release channel 2 by partition plates 3 for placing Trichogramma egg cards. The placement chambers 4 are connected to the release channel 2 by through holes 5.

[0026] In this embodiment, different types of Trichogramma egg cards are placed in the placement chamber 4 of the release box 1. After the Trichogramma emerges, it flies out through the through hole 5 and the release channel 2, thereby protecting the emergence of Trichogramma from external factors and improving the emergence rate and survival rate of Trichogramma.

[0027] Specifically, the side wall of the release box 1 located at one end of the release channel 2 is provided with an opening, and a slot 6 is provided around the opening. A movable plate 7 is provided in the slot 6. A release hole 8 is provided in the middle of the movable plate 7, and the release hole 8 is concentric with the release channel 2.

[0028] In this embodiment, the side walls of the release box 1 located at both ends of the release channel 2 are open, and a slot 6 is provided around the opening. The movable plate 7 fits into the slot 6, so that the movable plate 7 is inserted into the slot 6 to close the release box 1. The movable plate 7 can be pulled out from the slot 6 to place the Trichogramma egg card.

[0029] When needed, the release hole 8 is fitted to the end of the release channel 2.

[0030] Specifically, ventilation openings 9 that communicate with the placement compartment 4 are provided on both side walls of the release box 1.

[0031] In this embodiment, the vent 9 is used to introduce outside air into the placement chamber 4 inside the release box 1, thereby increasing the internal ventilation of the placement chamber 4 and improving the emergence rate of Trichogramma bees.

[0032] Specifically, the placement chamber 4 is equipped with a placement bracket 10, and the Trichogramma egg card is attached to the end face of the placement bracket 10.

[0033] In this embodiment, an egg card placement area is formed on the upper surface of the placement bracket 10 for placing Trichogramma egg cards. The Trichogramma egg cards can be placed in the egg card placement area by adhesion.

[0034] Specifically, a rain shelter 11 is provided at the top of the release box 1, and the rain shelter 11 is installed at the center of the top of the release box 1 via a support column 12.

[0035] In this embodiment, the rain shelter 11 can prevent the release box 1 from getting wet on rainy days, which would allow rainwater to enter the placement chamber 4 inside the release box 1, thus affecting the emergence rate and survival rate of Trichogramma wasps.

[0036] Specifically, the bottom of the release box 1 is provided with a base, which includes a base plate 13. The base plate 13 is placed on the ground by a fixing pin 14. A connecting column 15 is provided on the upper surface of the base plate 13. The connecting column 15 is connected to the bottom surface of the release box 1 by a flange.

[0037] In this embodiment, the base plate 13 is fixed to the ground by inserting the fixing pin 14 through the base plate 13 to prevent it from tipping over. The top of the connecting column 15 is provided with a flange, and a corresponding flange is provided on the bottom surface of the release box 1. The two flanges are connected by bolts to connect the column 15 and the release box 1. Then, the release box 1 is lifted off the ground by the base to prevent ground moisture from affecting the emergence rate and survival rate of the Trichogramma wasps. At the same time, it can also prevent ants from feeding on them.

[0038] Optionally, an adhesive can be applied to the upper surface of the base plate 13 and the connecting post 15 to prevent ants from climbing and feeding on it.

[0039] Although the specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, this should not be construed as limiting the scope of protection of this patent. Various modifications and variations that can be made by those skilled in the art without inventive effort within the scope described in the claims still fall within the scope of protection of this patent.

Claims

1. A Trichogramma wasp release device for controlling pests during the corn tasseling stage, characterized in that: Including a hollow release box (1); The release box (1) has a through release channel (2) in the middle. Inside the hollow interior of the release box (1), multiple placement chambers (4) are formed around the release channel (2) by a partition plate (3) for placing Trichogramma egg cards. The placement chambers (4) are connected to the release channel (2) by a through hole (5).

2. The Trichogramma wasp release device for controlling pests during the corn tasseling stage according to claim 1, characterized in that: An opening is provided on the side wall of the release box (1) located at one end of the release channel (2), and a slot (6) is provided circumferentially through the opening. A movable plate (7) is provided in the slot (6). The movable plate (7) has a release hole (8) in the middle, and the release hole (8) is concentric with the release channel (2).

3. The Trichogramma wasp release device for controlling pests during the corn tasseling stage according to claim 1, characterized in that: The release box (1) has ventilation openings (9) on both sides of its side walls that communicate with the placement chamber (4).

4. The Trichogramma wasp release device for controlling corn tassel pests according to claim 1, characterized in that: The placement chamber (4) is provided with a placement bracket (10), and the Trichogramma egg card is attached to the end face of the placement bracket (10).

5. The Trichogramma wasp release device for controlling pests during the corn tasseling stage according to claim 1, characterized in that: The top of the release box (1) is provided with a rain shelter (11), which is installed at the center of the top of the release box (1) by a support column (12).

6. The Trichogramma wasp release device for controlling corn tassel pests according to claim 1, characterized in that: The bottom of the release box (1) is provided with a base; the base includes a base plate (13), which is placed on the ground by a fixing pin (14); the upper surface of the base plate (13) is provided with a connecting column (15), which is connected to the bottom surface of the release box (1) by a flange.

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