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Breeding method and special feed for adult chrysopa septempunctata

A lacewing and feed technology, applied in the direction of animal feed, animal feed, application, etc., can solve the problems of difficulty in large-scale feeding, different feeding methods of larvae, and large space occupation, and achieves the advantages of commercial production and preservation. It is easy to popularize and apply, and the effect of prolonging life

Active Publication Date: 2013-03-13
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

[0002] At present, the vast majority of commercial natural enemy insects reproduce mainly through two ways. One is to use natural hosts, which requires indoor planting of host plants, breeding pests, and then raising natural enemy insects. There are problems such as long production cycle, large space occupation, and high production cost.
The second is to use alternative hosts, which can partially solve the above problems, but because of the need to breed alternative hosts, it cannot completely solve the above problems
However, due to the strict predatory nature of the large lacewing and the different feeding methods of adults and larvae, it has been difficult to achieve large-scale breeding.

Method used

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  • Breeding method and special feed for adult chrysopa septempunctata
  • Breeding method and special feed for adult chrysopa septempunctata

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Embodiment 1, preparation big lacewing adult feed

[0027] This example provides two feedstuffs for adult lacewings, named AD1 and AD2, both of which are made from defatted Tenebrio molitor, shelled eggs, sucrose and camellia powder. Among the raw materials for preparing AD1, the mass ratio of the defatted Tenebrio molitor, shelled eggs, sucrose and camellia powder in dry weight is 5:2:1:1. Among the raw materials for preparing AD2, the mass ratio of the defatted Tenebrio molitor, shelled eggs, sucrose and camellia powder in dry weight is 7.5:2:1:1.

[0028] Both AD1 and AD2 are powders with a particle size of less than or equal to 80 meshes. AD1 is composed of 5 parts by mass of Tenebrio molitor defatted powder, 2 parts by mass of whole egg powder, 1 part by mass of sucrose and 1 part by mass of dry powder of camellia powder. Servings are by dry weight. AD2 is composed of 7.5 parts by mass of Tenebrio molitor defatted powder, 2 parts by mass of whole egg powder, 1 pa...

Embodiment 2

[0039] Embodiment 2, the test effect of raising the large lacewing adult

[0040] The eggs laid by the adult lacewings raised indoors were used for the test. The newly hatched larvae populations were kept in a fresh-keeping box (165×105×50mm, with two holes with a diameter of 30mm on the lid, covered with 60-mesh gauze as a vent), food for the soybean aphid. Folded kraft paper strips are added to the box as an isolation device to reduce the self-mutilation of the large lacewing larvae. After the cocoons are formed, they are collected every day for concentrated eclosion. After eclosion, the male and female are identified and paired, and placed in a cylindrical glass tube (200mm in height x 70mm in diameter) for breeding (1 pair / tube). The top of the glass tube is covered with 60-mesh black gauze. as a spawning medium. Three treatments were established in the experiment, and treatment one was used as a control, and soybean aphid was used as feed, and each pair of lacewing adul...

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Abstract

The invention discloses a breeding method and special feed for adult chrysopa septempunctata. The feed for the adult chrysopa septempunctata comprises the following materials: defatted tenebrio molitor, shell-removed eggs, saccharum and camellia powder with the dry-weight mass ratio of (5-7.5):2:1:1. When the feed for the adult chrysopa septempunctata is used to breed the adult chrysopa septempunctata, the survival rate of the adult chrysopa septempunctata is normal, the total egg laying amount is about 60% of that of a control group (taking soybean aphids as the feed), but the lives of the adult chrysopa septempunctata are prolonged; the egg incubation rate is increased; therefore, the feed for the adult chrysopa septempunctata can basically meet the growth, development and reproduction requirements of the adult chrysopa septempunctata; a preoviposition period of female adult chrysopa septempunctata bred by the feed is prolonged by 13-20 days; the total egg laying amount is 57.0-61.0% of that of the control group; the incubation rate of eggs is increased by 2.3-5.4%; the lives are prolonged significantly; and the lives of the male adult chrysopa septempunctata and the female adult chrysopa septempunctata are prolonged by 28-38 days and 15-26 days respectively.

Description

technical field [0001] The invention relates to a method for raising adult lacewings and a special feed thereof. Background technique [0002] At present, the vast majority of commercial natural enemy insects reproduce mainly through two ways. One is to use natural hosts, which requires indoor planting of host plants, breeding pests, and then raising natural enemy insects. There are problems such as long production cycle, large space occupation, and high production cost. . The second is to adopt alternative hosts, which can partially solve the above problems, but because of the need to breed alternative hosts, it cannot completely solve the above problems. The large-scale production of natural enemy insects is restricted. Therefore, the development of artificial feed for natural enemy insects and the realization of its large-scale production are the needs of large-scale application of natural enemy insects. [0003] Chrysopa pallens (Rambur) is an important natural enemy ...

Claims

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Application Information

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IPC IPC(8): A01K67/033A23K1/18A23K1/10A23K1/16A23K1/14
Inventor 党国瑞陈红印张礼生王树英陈长风王孟卿刘晨曦
Owner INST OF PLANT PROTECTION CHINESE ACAD OF AGRI SCI
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