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
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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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