Trap-killing method for megachile rotundata fabricius parasitic wasps

A technology for leaf-cutting wasps and parasitic wasps, which is applied to the field of trapping and killing parasitic wasps of alfalfa leaf-cutting wasps, can solve problems such as poisoning, improper use, and highly toxic bees, and achieve the effects of obvious trapping and killing effect, harm control and simple technology.

Active Publication Date: 2018-11-23
INST OF PLANT PROTECTION NINGXIA ACAD OF AGRI & FORESTRY SCI KEY LAB OF NINGXIA PLANT DISEASE & INSECT PESTS CONTROL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because the parasitic wasp is polyembryonic, it can complete two generations of reproduction during the eclosion period of the alfalfa leaf-cutter bee, and the parasitism rate to the alfalfa leaf-cutter bee can reach more than 75%, which has caused serious harm to the population expansion of the alfalfa leaf-cutter bee, resulting in Alfalfa Leafcutter Bee Reproduction Decrease
For trapping and killing parasitic wasps of alfalfa leafcutters, dichlorvos and incandescent lamps are commonly used at home and abroad for trapping and killing. Because dichlorvos is heated and decomposed, it releases toxic gases of phosphorus oxide and chloride. Improper use can easily poison people and cause serious harm to bees. Toxic; after use, it needs to be ventilated, and it is easy to reduce the temperature and humidity of the artificial climate chamber, which is not good for the development of alfalfa leafcutter bees with a longer eclosion period

Method used

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  • Trap-killing method for megachile rotundata fabricius parasitic wasps

Examples

Experimental program
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Effect test

Embodiment 1

[0023] This embodiment provides a method for trapping and killing the parasitic wasps of alfalfa leaf-cutting wasps. The trapping method is the first time that a black light lamp is combined with propargyl methrin. The black light lamp is used to attract parasitic wasps, and propargyl methrin is used to kill parasitic wasps or reduce the activity of parasitic bees. This trapping method is carried out in an artificial climate room, and the trapping of parasitic wasps is synchronized with the emergence of alfalfa leaf-cutting bees, which specifically includes the following steps.

[0024] (1) The environmental conditions in the artificial climate room are set at a constant temperature of 30°C and a relative humidity of 60%, which provides suitable environmental conditions for the emergence of alfalfa leaf-cutting bee cocoons. The alfalfa leaf-cutting bee cocoons are placed in a hatching tray, and the hatching tray is installed in an artificial climate room. Place a 15W black light...

Embodiment 2

[0030] Using the method for trapping and killing alfalfa leaf-cutting wasps parasitic wasps described in Example 1, the emergence of alfalfa leaf-cutting wasps parasitic wasps was performed to verify the effectiveness of the trapping method described in Example 1.

[0031] (1) Test materials and facilities

[0032] 1500 alfalfa leaf-cutting bee cocoons, 5 hatching trays, 5 15W black light lamps (manufactured by Philips), 5 white water trays, electric mosquito liquid (active ingredient 1.5% propargylmethrin), control chemical trap The agent is DEET (repellent amine).

[0033] Artificial climate room, press 10m in the artificial climate room 2 Install a chemical trap volatilization device, and add electric mosquito liquid or DEET into the chemical trap volatilization device according to the experimental design. The environmental conditions in the artificial climate room are set at a constant temperature of 30°C and a relative humidity of 60%.

[0034] (2) Experimental design

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Abstract

The invention discloses a trap-killing method for megachile rotundata fabricius parasitic wasps. The method comprises the steps that 1, megachile rotundata fabricius bee hatching plates are placed inphytotron, water trays are arranged below the bee hatching plates, black light lamps are installed between the bee hatching plates and the water trays, the black light lamps are 10 cm away from the water trays, and water in the water trays is replaced regularly; 2, a 1.5% prallethrin attractant device which is screened out is installed in the phytotron, wherein the dosage is 3.25 ml/d/10 m<2>; 3,on the second day when megachile rotundata fabricius bee cocoons are put in the phytotron, the black light lamps and attractant volatilization device are started, observation is conducted regularly every day, the number of the parasitic wasps in the water trays and the bee hatching plates is counted separately, when observing parasitic wasps without eclosion in two days, the black light lamps areturned off, and the attractant device is removed. Accordingly, the trap-killing effect on the parasitic wasps can reach about 95%, the method is safe to megachile rotundata fabricius bee cocoons, andnormal eclosion of megachile rotundata fabricius is not affected.

Description

Technical field [0001] The invention belongs to the technical field of agricultural insect control, and relates to the artificial breeding of alfalfa leaf-cutting wasps, in particular to a method for trapping and killing alfalfa leaf-cutting wasps parasitic wasps. The invention adopts the method of combining the black light lamp with the chemical trapping agent to achieve trapping and killing the parasitic wasp before or at the same time when the alfalfa leaf-cutting bee emerges. Background technique [0002] Alfalfa ( Medicago sativa ) Also known as alfalfa or common alfalfa, it is called the king of pasture due to its rich protein, amino acids, vitamins and various nutrients. A prominent problem encountered in the cultivation and promotion of alfalfa is the lack of sufficient seeds. One of the important experiences of its high yield is the use of alfalfa leaf-cutting bees to pollinate alfalfa. In countries with developed animal husbandry, using alfalfa leaf-cutting bees to po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/033A01M1/04A01M1/02A01M1/20
CPCA01K67/033A01M1/02A01M1/04A01M1/2016A01M2200/012
Inventor 张蓉朱猛蒙王颖魏淑花高立原马建华王芳黄文广何志军于海洋闫雅成红
Owner INST OF PLANT PROTECTION NINGXIA ACAD OF AGRI & FORESTRY SCI KEY LAB OF NINGXIA PLANT DISEASE & INSECT PESTS CONTROL
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