Feed for larval coccinella septempunctata and preparation method thereof

Abstract

The invention provides feed for larval coccinella septempunctata. The feed includes the following raw materials: egg, raw pork liver, water, milk powder, oat and yeast powder. The preparation method of the feed includes: (1) firstly cutting the raw pork liver into strips with a cutter, and then performing mashing into mud; (2) adding boiling water to soak the oat to soft; (3) adding the raw materials into a beaker, stirring the materials evenly with a stirrer, additionally weighing and adding agar and water into a pot, putting the pot on an electromagnetic oven to melt the agar, cooling the agar, then pouring the molten agar into the evenly stirred materials in the beaker, then fully stirring the substances, performing subpackaging in a culture dish, conducting sealing with a sealing film,and putting the product into a refrigerator for preservation. The invention has the advantages that after application to feeding of larval coccinella septempunctata, the feed can make the weight, pupation rate and eclosion rate of the larval coccinella septempunctata approach the level of those fed by aphids, is more beneficial to the maturation of larvae to adults, also the preparation method ofthe feed is simple, and is easy for large-scale operation, and the feed is easy for storage and large-scale popularization.

Description

technical field [0001] The invention belongs to the technical field of feed, in particular to a feed for ladybug larvae and a preparation method thereof. Background technique [0002] Seven-spot ladybug is the dominant natural enemy insect that preys on aphids in the family Coleoptera. However, due to the influence of field climate conditions and agricultural operations, it is difficult to maintain a level sufficient to control the damage of aphids, and its utilization is limited. In recent years, greenhouse vegetables and protected horticultural crops have developed rapidly in my country. The closed environment and suitable temperature and humidity of greenhouses and greenhouses provide excellent conditions for the use of Coprinus chinensis to prevent and control aphids that occur on these crops, which makes Coccinella chinensis have great applications. prospect. However, at present, the breeding of seven-spot ladybugs mainly uses aphids as feed. This traditional method of ...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the defects in the prior art that the artificial feed is easy to deteriorate, and the larvae grow into adults, and the pupation rate and eclosion rate are not ideal, the invention provides a feed for seven-spot ladybug larvae and a preparation method thereof, to achieve the purpose In order to adopt the feed of the present invention to feed the seven-star ladybug larvae, its body weight, pupation rate, and eclosion rate approach the level of feeding with aphids, and the prepared feed method is simple, easy to operate on a large scale, and easy to store and scale up.

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