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Feed for natural enemy ladybirds with high laying proliferation rate and application of feed

A natural enemy ladybug, multiplication rate technology, applied in the field of feed with high egg-laying multiplication rate of natural enemy ladybug, can solve the problems of low survival rate of larvae, decreased reproductive ability, long feeding cycle, etc., and achieve the effect of low fecundity

Inactive Publication Date: 2021-08-06
HEBEI NORMAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. Problems such as long feeding cycle, high risk, high cost, and low reproductive rate;
[0004] 2. When some live feeds are used for single feeding, the heterochromia larvae have low survival rate, decreased reproductive ability, and poor predation ability, etc.

Method used

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  • Feed for natural enemy ladybirds with high laying proliferation rate and application of feed

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1 Raises Heterochromia with Drosophila larvae+sucrose solution

[0042] (1) Place 1 pair of Heterochromia in an 8*8cm plastic box covered with gauze, place absorbent cotton dipped in 10% sucrose water, and white toilet paper in it for laying eggs. Only 10-15 Drosophila larvae were fed. Feed every 1 day, add sugar water every 2 days using a plastic dropper, and replace the absorbent cotton every 10 days. Egg masses were collected every 2 days. A total of 106 eggs were collected in 5 days.

[0043] (2) Take out the white toilet paper with eggs, and place them under the conditions of 26±1° C., RH=75±5%, 16L:8D light conditions until hatching, and obtain 95 Heterochromia larvae.

[0044](3) Take 30 hatched larvae and place them individually in a 29mm*104mm plastic bottle, pierce holes in the plastic bottle cap, and add absorbent cotton dipped in 10% sucrose water therein. Feed 3-5 fruit fly larvae per day for 1-2 instar larvae, 10-15 fruit fly larvae per day ...

Embodiment 2

[0045] Embodiment 2 Raising Heterochromia with Drosophila larvae+honey solution

[0046] (1) Place 1 pair of heterochromia ladybugs in an 8*8cm plastic box covered with gauze, place absorbent cotton dipped in 10% honey water, and white toilet paper therein, for its laying eggs, according to daily Only 10-15 Drosophila larvae were fed. Feed every 1 day, add sugar water every 2 days using a plastic dropper, and replace the absorbent cotton every 10 days. Egg masses were collected every 2 days. A total of 89 eggs were collected in 5 days.

[0047] (2) Take out the white toilet paper with eggs, and place them under the conditions of 26±1° C., RH=75±5%, and 16L:8D light conditions until they hatch, and obtain 77 Heterochromia larvae.

[0048] (3) Take 30 hatched larvae and place them individually in a plastic bottle of 29mm*104mm, and pierce holes in the plastic bottle cap, add absorbent cotton dipped in 10% honey water, and feed the 1-2 instar larvae daily Each 3-5 fruit fly l...

Embodiment 3

[0049] Example 3 Raising Heterochromia with Drosophila larvae+fructose solution

[0050] (1) Place 1 pair of Heterochromia in a plastic box of 8*8cm covered with gauze, place therein absorbent cotton dipped in 10% fructose water, and white toilet paper, for its laying eggs, according to daily Only 10-15 Drosophila larvae were fed. Feed every 1 day, add sugar water every 2 days using a plastic dropper, and replace the absorbent cotton every 10 days. Egg masses were collected every 2 days. A total of 67 eggs were collected in 5 days.

[0051] (2) Take out the white toilet paper with eggs, and place them under the conditions of 26±1° C., RH=75±5%, 16L:8D light conditions until hatching, and obtain 59 Heterochromia larvae.

[0052] (3) Take 30 hatched larvae and place them separately in 29mm*104mm plastic bottles, and pierce holes in the plastic bottle caps, add absorbent cotton dipped in 10% fructose water, and feed the 1-2 instar larvae every day. Each 3-5 fruit fly larvae, ...

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Abstract

The invention discloses a feed for natural enemy ladybirds with high egg laying proliferation rate and application of the feed, and belongs to the technical field of insect culture. The feed comprises a sugar source and drosophila larvae, and the invention discloses a culture method for the natural enemy ladybirds with high egg laying proliferation rate. Through the culture method, the natural enemy ladybirds can normally grow and breed, the adult laying amount and the larva survival rate of harmonia axyridis can be increased, the larva development duration is shortened, and the weight of the fourth-instar larvae and the adult larvae is increased; and the predation capability of the harmonia axyridis is improved, the breeding technology of the harmonia axyridis and other ladybirds is optimized, and a basis is provided for improving the egg laying amount of the natural enemy ladybirds and breeding the natural enemy ladybirds in large scale.

Description

technical field [0001] The invention belongs to the technical field of insect cultivation, and in particular relates to a feed with a high egg-laying multiplication rate of a natural enemy ladybug and its application. Background technique [0002] Biological control plays a very important role in integrated pest management. As biological control has been paid more and more attention in recent years, natural enemy insects have been used more and more in integrated pest control. Heterochromia can prey on aphids, whiteflies, pest mites and other pests. It is one of the very important predatory natural enemy insects, and it is hoped that it will be widely used in the biological control of agricultural and forestry pests. Therefore, the artificial breeding and reproduction of Heterochromia is of great economic and social value, and it is of great significance to explore the large-scale breeding technology of Heterochromia. In recent years, although people have optimized the art...

Claims

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Application Information

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IPC IPC(8): A23K50/90A23K10/20A23K20/163A01K67/033
CPCA23K50/90A23K10/20A23K20/163A01K67/033
Inventor 高素红万银平赵春明吉志新张波杨思瑶李晨曦
Owner HEBEI NORMAL UNIVERSITY OF SCIENCE AND TECHNOLOGY
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