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Method for trapping coccinella septempunctata for oviposition

A technology for trapping seven-spot ladybugs and seven-spot ladybugs, which is applied in animal husbandry and other fields, can solve problems such as research, limited release applications, and lack of mature system methods for seven-spot ladybugs, so as to solve labor-intensive problems, increase recovery rates, and increase production. Effect of egg rate and recovery rate

Inactive Publication Date: 2019-08-16
INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Among the existing indoor artificial breeding methods of seven-spot ladybugs, there is no mature system method that can enable seven-spot ladybugs to reproduce stably and maintain good traits.
In the current method, there are always problems that the seven-star ladybug can complete the life cycle, but the fecundity is not strong, the research on the method of laying eggs is lacking, and a large number of subculture cannot be realized.
The test insects of the seven-spot ladybug rely on field collection, and there is no stable source of artificial continuous multi-generation breeding, which limits its research work and limits its release and application in the field as a natural enemy insect

Method used

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  • Method for trapping coccinella septempunctata for oviposition
  • Method for trapping coccinella septempunctata for oviposition
  • Method for trapping coccinella septempunctata for oviposition

Examples

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Embodiment 1-6

[0045] In the following examples of the present invention, the lure cores (seeing table 1 below) of different trapping materials and trapping substrates are selected for use respectively, utilize figure 1The trap shown is for egg-laying trapping of ladybugs. The trapping device is placed in the insect cage of 50 pairs of seven-spot ladybug adults after eclosion is housed, flush with the ground, and the food of the ladybugs is cleaned up.

[0046] After 24 hours, take out the egg-laying carrier placed at the bottom of the insect cage, cut off the PE bag with the egg mass attached with scissors, place it in a petri dish with filter paper, add water to keep it moist, and store it at 25°C and relative humidity of 60-80%. Under culture hatching, count the quantity of the ladybug ovum on the egg-laying carrier, record statistical result in following table 1.

[0047] The number of eggs laid by ladybugs in the embodiment of table 1

[0048]

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Abstract

The invention belongs to the technical field of insect breeding and particularly relates to a method for trapping coccinella septempunctata for oviposition. According to the method for trapping the coccinella septempunctata for oviposition, a pea seedling carrying sufficient megoura japonica is used as a trapping material, by use of the taxis of the coccinella septempunctata to aphids, the coccinella septempunctata and the pea seedling carrying the sufficient megoura japonica are placed in an oviposition container for trapped oviposition, the trapping effect is obvious, the coccinella septempunctata can be trapped together, and gathered oviposition of the coccinella septempunctata is facilitated; a smooth black PE bag which has the high oviposition amount and is 0.1-0.2 mm thick is used asan oviposition carrier, the oviposition rate of the coccinella septempunctata and the recovery rate are effectively increased, the problems that the oviposition amount of the coccinella septempunctata and the recovery rate of eggs are low is solved effectively, and the method plays an important role in guaranteeing population reproduction of the coccinella septempunctata.

Description

technical field [0001] The invention belongs to the technical field of insect cultivation, and in particular relates to a method for trapping ladybugs to lay eggs. Background technique [0002] Aphids are extremely harmful pests in agriculture, causing irreversible damage to plants and the environment, and have caused considerable disasters in both greenhouses and fields. At present, the control of aphids is mainly based on pesticide control. Although the effect is remarkable, it inevitably causes great chemical pollution due to excessive use of chemical pesticides, causing secondary damage. [0003] Coccinella septempunctata L. is one of the dominant natural enemies of aphids. Coccinella septempunctata L. belongs to the order Coleoptera and the family Coccinellidae. It is an important predatory natural enemy of aphids on major crops such as wheat, cotton, oilseeds and vegetables. Research at home and abroad has proved that the use of seven-star ladybug to control aphids is...

Claims

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Application Information

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IPC IPC(8): A01K67/033
CPCA01K67/033
Inventor 周仙红夏小菊庄乾营张思聪张安盛于毅门兴元李丽莉
Owner INST OF PLANT PROTECTION SHANDONG ACAD OF AGRI SCI
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