Method for continuously quickly acquiring large quantities of dichocrocis punctiferalis test insects

Abstract

The invention relates to a method for continuously quickly acquiring large quantities of dichocrocis punctiferalis test insects. The method includes sowing sunflowers in a small divided area at intervals of every 15-30 days from the middle ten days and last ten days of March or the first ten days and middle ten days of April and successively sowing the sunflowers in host land parcels at intervalsaccording to layout sequences of the small areas; acquiring test insects in various insect states from flower heads, first and second leaves or stems between leaves of the sunflowers which are plantedat different sowing dates. The method has the advantages that the sunflowers are planted at intervals at stages, so that large quantities of dichocrocis punctiferalis eggs, larvae, pupae and adult insects can be acquired; the sunflowers have capitula, the diameters of the sunflowers range from 10 centimeters to 30 centimeters, adult insects can be easily attracted to lay eggs, existence places can be provided to large quantities of larvae, accordingly, the large quantities of test insects in the various insect states can be quickly acquired, and indoor scientific research and tests can be carried out on large quantities of acquired overwintering-generation old and mature insects and larvae after October; the dichocrocis punctiferalis test insects are in the abundant insect states, and themethod is simple and easy and is easy to implement.

Description

technical field [0001] The invention relates to a method for continuously and rapidly obtaining a large amount of test insects of the peach borer borer, and belongs to the technical field of pest control. Background technique [0002] Peach borer belongs to Lepidoptera, Boridae, can damage sunflower, castor, sorghum, corn, soybean, lentil, cotton, ginger plants and other crops; chestnut, pomegranate, jujube, hawthorn, pear, plum, apricot, plum , apple, grape, persimmon, cherry, walnut, citrus, sweet orange, navel orange, pomelo, loquat, longan, fig, litchi, mango, pineapple, papaya, ginkgo and other fruit trees; pine, fir, juniper, Ailanthus and other forest trees, It is a very diverse pest. The peach borer is extremely harmful, even destructive on some hosts. [0003] Peach borer has 2 to 3 generations in each province in northern China, 3 to 4 generations in North China, 3 to 5 generations in Northwest China, 5 generations in Central China, and 5 to 6 generations in Sout...

AI Technical Summary

Problems solved by technology

② Most artificial feeds have complex formulas, high cost, and a small number of breeding test insects. During the breeding process, they are easily infected by fungi and bacteria and become moldy and rotten.

Make it difficult to collect a large number of test insects of a certain stage in the field at the same time

⑤ The body length of the adult is about 12mm, and the wingspan is about 20mm. The wings are spread flat on the body when they stop flying, occupying a large space

And Lepidoptera pests, when the indoor breeding density is high, it is easy to cause their wing scales to fall off, affect their vitality, shorten the adult period, reduce the amount of eggs laid, cause the indoor breeding population to gradually shrink, and bring great difficulties to large-scale breeding.

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