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Technology for promoting oviposition of dastarcus helophoroides imagoes

A technology for velvet beetle and adults, which is applied in the field of promoting egg laying of velvet beetle adults, can solve the problem of low adult egg laying, and achieve the effects of simple operation, easy popularization and application, and good control effect

Inactive Publication Date: 2014-09-10
JIANGSU ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Purpose of the invention: In order to overcome the lack of substitute hosts for artificially propagated velvet beetles and the low amount of eggs laid by adults, the purpose of the present invention is to provide a large-scale breeding of velvet beetles, which can increase the amount of eggs laid by adults and increase the parasitism rate. A breeding, storage, release method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] (1) Breeding time: from December to April of the following year, before the adult larvae of the monochamus alternatus emerge;

[0019] (2) Inoculation conditions: Select the chrysalis chrysalis pupae by breeding the host, inoculate the host pupae and juvenile beetles at a ratio of 1:4, put them in the culture room at 25°C for dark light cultivation, and irradiate the culture room with ultraviolet light for 30 minutes before use Sterilization;

[0020] (3) Adult egg-laying rearing technology: the velvet parasite adults obtained by the breeding of step (2) are raised in sub-boxes under the condition of 26° C. of temperature and 70% humidity by 50 heads / box, and feed, water and more are regularly provided. Paper clips, combined with regular egg collection cards, ensure the oviposition conditions of adults and increase the amount of eggs laid by adults;

[0021] (4) Egg card storage: put the egg card collected in step (3) into the finger tube, block the mouth of the tube w...

Embodiment 2

[0024] (1) Breeding time: from late November to early May of the following year;

[0025] (2) Inoculation conditions: select barley worm pupae by breeding hosts, inoculate host worm pupae and juvenile beetles at a ratio of 1:6, put them in a culture room at 25°C for dark light cultivation, and irradiate them with ultraviolet light for 30 minutes before use in the culture room to sterilize disinfect;

[0026] (3) Adult egg-laying rearing technology: the velvet parasite adults obtained by the breeding of step (2) are raised in sub-boxes under the condition of 26° C. of temperature and 70% humidity by 50 heads / box, and feed, water and more are regularly provided. Paper clips, combined with regular egg collection cards, ensure the oviposition conditions of adults and increase the amount of eggs laid by adults;

[0027] (4) Egg card storage: put the egg card collected in step (3) into the finger tube, block the mouth of the tube with cotton, an average of 100 capsules / tube, and pu...

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Abstract

The invention discloses a technology for promoting oviposition of dastarcus helophoroides imagoes. The technology includes the first step of selection of proper breeding time, the second step of selection of appropriate breeding hosts, the third step of an inoculation technology, the fourth step of imago oviposition conditions, the fifth step of spawn shell storage technology and the sixth step of a dastarcus helophoroides larva release technology. According to the breeding method for promoting oviposition of the dastarcus helophoroides imagoes, the parasitic rate of the dastarcus helophoroides reaches more than 80%, and the eclosion rate of the dastarcus helophoroides reaches above 90%; by means of selection of the breeding hosts and a reasonable inoculation proportion, more than twenty thousand dastarcus helophoroides is bred each year, and ten million dastarcus helophoroides imago eggs are laid each year through a standardized scale breeding technology and storage capacity; the direct contemporary parasitic rate to monochamus alternatus hope reaches more than 50% through dot strain type release of dastarcus helophoroides larvae in forests, and parasitism exists in the larvae, pupas and the imagoes; release is continuously conducted for 2-3 years, so better prevention and control effects can be obtained.

Description

technical field [0001] The invention relates to a breeding method for parasitic natural enemy insects, in particular to a technology for promoting egg laying of the velvet parasite adults. Background technique [0002] Dastarcus helophoroides Fairmaire originally belonged to Colydiidae of Coleoptera (Coleoptera), and later became an insect of Bothrideridae independently, also known as Dastarcus helophoroides Fairmaire, Dastarcus helophoroides Fairmaire, carpenter beetle And constricted wings to send armor and so on. It is known to be endemic to my country and Japan. Domestically, it is known that it is distributed in 18 provinces and cities including Liaoning, Shanghai, Shandong, Jiangsu, Guangdong, and Sichuan. Japan is mainly distributed in Honshu, Kyushu and Osaka. The velvet beetle is one of the main natural enemies of longhorn beetle pests. [0003] Major forest diseases and insect pests of pine wood nematodes, poplar, willow and other afforestation tree species are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/033
Inventor 高悦解春霞郑华英刘云鹏徐福元
Owner JIANGSU ACAD OF FORESTRY
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