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Method for efficiently and intensively collecting natural enemy oligota sp. insect pupae

A technology of paederus and natural enemies, which is applied in animal husbandry and other fields, can solve the problems that it is difficult to release a large number of natural enemies required for the control of pest mites in the field, lack of independent concealed pupation places, and difficulty in meeting the requirements of test insects. Easy to pack, easy to operate, and easy to implement

Inactive Publication Date: 2018-10-30
INST OF PLANT PROTECTION FAAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The conventional pupation method is to raise the larvae of this genus in a petri dish (or other suitable container) with moist straw paper, and the mature larvae drill under the straw paper to pupate. The rate of pupation is not high and the pupae are scattered at the pupation position, and the number of pupation is difficult to increase after the larvae breeding density increases. quantity

Method used

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  • Method for efficiently and intensively collecting natural enemy oligota sp. insect pupae
  • Method for efficiently and intensively collecting natural enemy oligota sp. insect pupae

Examples

Experimental program
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Effect test

Embodiment 1

[0027] 1) Under the experimental conditions of a temperature of 25±1°C and a humidity of 75±5%, a round table container with a height of 15±0.2cm, an upper diameter of 20±0.2cm, and a lower diameter of 11±0.2cm was selected.

[0028] 2) Put the leaves with 50 and 2000 3rd instar larvae of Paederus chrysalis into two round-table containers of the same specification respectively.

[0029] 3) Place the round table container above the petri dish with gypsum blocks, cover the container lid, wherein the gypsum block has small holes, the diameter of the small holes is 1mm, the depth is 3mm, the number of holes is 2500, the specification of the petri dish It is 1.5±0.2cm high and 11.5±0.2cm in diameter.

[0030] After 2 days, the round table container was removed, and the pupae of Paederus flavus were collected in the small holes of the gypsum block.

[0031]

[0032] As can be seen from Table 1, when the number of larvae used for pupation was less (50), the pupation rate of the i...

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Abstract

The invention provides a method for efficiently and intensively collecting natural enemy oligota sp. insect pupae. The collection method sequentially comprises the following steps that A1, an inversetruncated-cone-shaped container with two openings in the two ends and a cover is taken, the natural enemy oligota sp. insect larvae at the age of three days are placed on leaves with preys, and the leaves are put into the inverse truncated-cone-shaped container; A2, a culture dish is taken, and a gypsum block with small holes is placed in the culture dish; the inverse truncated-cone-shaped container is vertically placed in the culture dish, the gypsum block is inversely placed in the inverse truncated-cone-shaped container; then the top of the inverse truncated-cone-shaped container is coveredwith the container cover; A3, two days later, the natural enemy oligota sp. insect pupae are collected into the small holes of the gypsum block of the culture dish, and after the inverse truncated-cone-shaped container is removed, the gypsum block with the insect pupae inside is taken out. By means of the method, by utilizing two important habits that natural enemy oligota sp. insects fall downwards (to the ground) to pupate and find a hidden space to pupate, the insect pupae can be efficiently collected.

Description

technical field [0001] The invention relates to the technical field of artificial large-scale rearing of the natural enemy Paederus genus, in particular to a method for efficiently and intensively collecting the pupae of the natural enemy Paederus genus. Background technique [0002] The natural enemy Pederopterus mite belongs to Coleoptera, Pederidae, Oligota sp., and is an important predatory natural enemy insect species on various crops in the field. The larvae and adults of this genus can prey on Tetranychus cinnabarinus and Tetranychus urticae, etc., which are important natural enemies of Tetranychus and play an important role in the control of Tetranychus. Therefore, efficient and intensive acquisition of pupae of natural enemies Paederus genus is of great significance for scientific research, industrial production and field release of natural enemies. The conventional pupation method is to raise the larvae of this genus in a petri dish (or other suitable container) w...

Claims

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Application Information

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IPC IPC(8): A01K67/033
CPCA01K67/033
Inventor 林涛游泳曾兆华夏金梅陈艺欣赵建伟魏辉
Owner INST OF PLANT PROTECTION FAAS
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