Artificial feed for natural enemy insects

A technology for artificial feed and natural enemy insects, which is applied to the field of artificial feed for natural enemy insects, can solve the problems of increasing the cost of artificial feed replacement, immature development and utilization, easy deterioration of feed, etc., and achieves low investment, low production cost and simple preparation method. Effect

Inactive Publication Date: 2011-01-12
INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the development and utilization of insect cell column culture expansion technology is not mature enough
[0007] 4. The preparation of artificial feed for ladybugs is mostly in the form of paste or semi-fluid. The feed is easy to deteriorate, increasing the cost of manual feed replacement and waste of feed
However, at present, there is no domestic and foreign use of processed Tenebrio molitor pupae as the basic ingredient of artificial feed for natural enemy insects.

Method used

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  • Artificial feed for natural enemy insects

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1, the preparation of defatted Tenebrio molitor pupae powder

[0024] First, the Tenebrio molitor pupae were put into the refrigerator at -20°C to die. Rinse Tenebrio molitor pupae, sterilize with 1% NaCIO solution for 10 minutes, wash repeatedly with distilled water, and dry at 50°C for 6 hours in a constant temperature blast drying oven to obtain full-fat Tenebrio molitor pupae powder; then use Soxhlet extraction method For processing, use petroleum ether as the extraction solution, wrap the full-fat Tenebrio molitor pupae powder with filter paper into a sample packet, put it into the extraction tube of the Soxhlet extractor, extract for 10 hours at 80°C, and then put the filter paper bag in the fume hood Pump the air for 10 minutes to volatilize the petroleum ether, then put the sample package in a constant temperature drying oven and dry it at medium temperature for 1-2 hours. The dried sample is ground with a mortar and passed through an 80-mesh sieve to...

Embodiment 2

[0025] Embodiment 2, the preparation of heterochromia larva artificial feed

[0026] The formula of artificial feed is: defatted Tenebrio molitor pupa powder 2.0g prepared in Example 1, yeast extract (SIGMA, Y0875-250G) 2.0g, sucrose 1.5g, bee pollen (Chinese Academy of Agricultural Sciences Bee Research Institute, QS110826010006) 0.6g.

[0027] Accurately weigh the above ingredients with a one-ten-thousandth balance, place them in a clean airtight container, mix well, and keep stirring for 12 hours to get the artificial powder composed of defatted Tenebrio molitor pupae powder, yeast extract, sucrose and bee pollen. Feed, wherein, the mass-number ratio of defatted Tenebrio molitor pupae powder, yeast extract, sucrose and bee pollen is 2.0:2.0:1.5:0.6.

Embodiment 3

[0028] Embodiment 3, the test result of Heterochromia larva artificial feed raising

[0029] Heterochromia larvae were fed with the artificial feed prepared in Example 2, and the experiment was repeated three times, with 30 larvae fed each time. The test results are shown in Table 1. No. 1 is the group fed with aphids as a comparison group; No. 2 is the group fed with artificial feed formulated in Example 2.

[0030] The artificial feed that table 1 embodiment 2 prepares raises the test result of Heterochromia larvae

[0031]

[0032] Wang Liangyan (artificial breeding and field release and utilization of Heterochromia [J]. Insect Knowledge, 1986, 29 (1): 104.) used fresh bee drone pupae (larvae) or pig liver, honey, brewer's yeast, Vc, Paraben (5: 1: 0.5: 0.05: 0.005, mass ratio) raises Heterochromia larvae, and the growth rate is 54% to 70%; Han Ruixing et al. Forestry Science and Technology, 1979, 6: 33-39.) Raise the pupation rate of Heterochromia 20%~33.3% in group b...

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Abstract

The invention discloses an artificial feed for natural enemy insects. The basic component of the artificial feed is defatted powder of yellow mealworm pupae. The artificial feed also comprises at least one of yeast extracts, cane sugar and bee pollens. The mass fraction ratio of defatted powder of yellow mealworm pupae, yeast extracts, cane sugar and bee pollens is 2.0:2.0:1.5:0.6. The natural enemy insects can be Harmonia axyridis Pallas, specifically Harmonia axyridis Pallas larvae. The house flies have short life cycle and strong reproductive capability, development duration of 12d and average female offspring number of 1500. The reproduction number of a couple of house flies in four months (from April to August) can reach 2*1020 if all the reproduced house flies survive; therefore, a great quantity of house flies can be obtained in a short period. The artificial feed has simple preparation method, wide sources, low investment and low production cost.

Description

technical field [0001] The invention relates to an artificial feed for natural enemy insects, in particular to an artificial feed for ladybugs, especially an artificial feed for ladybug larvae. Background technique [0002] At present, natural hosts are still used for the reproduction of most commercial natural enemy insects, and host plants need to be planted in artificial greenhouses to cultivate natural enemy insects. The large-scale production of natural enemy insects is affected by factors such as long production cycle, large space occupation and high cost. The study of artificial feed for natural enemy insects has become an important technical means for the large-scale proliferation of natural enemy insects. [0003] In the past, there were many technical problems in artificial feed, and the production cost and production efficiency of natural enemy insects could not be fundamentally improved. These technical problems include: [0004] 1. The nutrient composition of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23K1/18A23K10/18A23K10/20A23K20/163A23K50/90
Inventor 杨海霞陈红印张礼生
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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