CN102461480B

CN102461480B - Method and device for efficiently separating beneficial and harmful insects

Info

Publication number: CN102461480B
Application number: CN201010533153.4A
Authority: CN
Inventors: 张玉烛; 刘洋
Original assignee: HUNAN RICE RESEARCH INSTITUTE
Current assignee: Hunan long day agricultural science and Technology Development Co., Ltd.
Priority date: 2010-11-05
Filing date: 2010-11-05
Publication date: 2014-07-02
Anticipated expiration: 2030-11-05
Also published as: CN102461480A

Abstract

The invention discloses a device for efficiently separating beneficial and harmful insects. The device comprises an insect collecting box, a device base and an internal box, wherein the top of the insect collecting box is provided with a funnel-shaped insect inlet, the wall of the insect collecting box is encircled by a netlike object, and the wall of the internal box is also encircled by a netlike object; the internal box is fixed on the device base in the center of the insect collecting box; and the bottom of the insect collecting box is connected with the upper part of the device base, and a plurality of natural enemy escape holes are formed at the connected position. According to the device, the aims of killing pests and separating beneficial insects are fulfilled by the way that the pests are eaten by natural enemies of the pests, so that the survival rate of the beneficial insects is greatly improved; and eggs laid by lepidoptera insects provide hosts for the propagation of trichogramma, so that the cost of indoor bee propagation is reduced to a great degree. The natural enemy number of the pests in fields is remarkably increased, so that the number of the pests in the fields is effectively controlled, and the use of chemical agents is reduced and even eliminated; and the device is an indispensable professional insect attracting facility for the development of ecological agriculture.

Description

Benefit evil insect efficient separation method and device

Technical field

The present invention relates to a kind of crops deinsectization technical field, be specifically related to a kind of benefit evil insect efficient separation method and device.

Background technology

Current, along with the quickening of rural area well-off society process, the raising of living standard of urban and rural population level, makes the ecological problem in high-quality and safety problem, agricultural and the rural area of agricultural product become more outstanding.Should meet the diversified food consumption demand under population sustainable growth condition, ensure agricultural product quality and food hygiene safety, reduce again and control the pollution of agriculture and countryside, the trend that effectively containment natural resources is exhausted and ecotope goes from bad to worse, these all develop eco-agriculture and have proposed new challenge Under the market economy condition.For a long time, people spray the generation of chemical pesticide with controlling crop diseases and insect pests through the field of being everlasting, and the physicochemical property of some agricultural chemicals and metabolite thereof is stable, in soil, accumulates, and has caused environmental pollution.The result of agricultural chemicals long-term residual accumulation in soil, causes in crops and animal product and occurs having polluted food for micro-remains of pesticide, the health of harm humans; And some chemical agent (organo-chlorine pesticide etc.) not only kills and wounds toxic action to insect, the beneficial insect beneficial bird such as " natural enemy " and insect pollinator of insect is also had to lethal effect simultaneously, thereby destroyed the natural ecological balance.In order to address these problems, seek agricultural sustainable development, scientists has proposed the production model of the ecological agriculture, in the nearest more than ten years, on market, there is field miscellaneous insect disinfestation device, wherein trapping lamp has been widely used in agricultural production, but trapping lamp is in insect-killing trapping, beneficial insect (being mainly pest natural enemy) is also all killed, cause Field Pests natural enemy radix seriously to reduce, in the time that insect occurs on a large scale, the insect pest in uncontrollable field due to the natural enemy quantity wretched insufficiency in field, can only use additive method to eliminate destructive insects, for example spray chemical agent etc., this must cause the decline of agricultural output and quality, it is also a kind of very large loss that the ecological agriculture is produced.For this reason, how to accomplish to kill off the insect pests selectively, but do not injure beneficial insect, become the technical difficult problem that trapping lamp is applied.

Summary of the invention

Technical problem to be solved by this invention is: for trapping lamp without this technological deficiency of kill insects selectively; and provide a kind of benefit to do harm to insect efficient separation method and device; both killed off the insect pests; protect beneficial insects again; further optimize trapping lamp insecticidal effect, favourable China agricultural develops in a healthy way to green agriculture, organic farming, the ecological agriculture.

The technical solution used in the present invention is: this benefit evil insect efficient separation method is: by light trap, insect is collected in collection worm case, collection worm case bottom has natural enemy escape hole, the individuality of insect lepidoptera imago is larger, can not creep, beneficial insect ground beetle, rove beetle, predacious diving beetle, ladybugs etc. can be in muddy water be fled from by the natural enemy hole of escaping, on the device pedestal of collection worm case, built-in box is installed, on the device pedestal of built-in box central authorities, plant and have seedling or fresh straw, built-in box is netted, only allow little individual insect plant hopper, Mirid, cyrtorhinus, mosquitoes etc. enter, most of plant hopper is gathered on seedling or fresh straw, insect plant hopper also produces ovum on seedling or fresh straw simultaneously, Mirid, cyrtorhinus is taking plant hopper ovum as food, equally, beneficial insect in collection worm case can eat up the most of insects in the inside, after 3-5 days, insect is all dead, beneficial insect is all put back to field.

This benefit evil insect device for effectively separating, comprise collection worm case, device pedestal, built-in box, the top of collection worm case has funnel type insect entry, collection worm tank wall is surrounded by net, built-in box tank wall is also net, built-in box is fixed on the device pedestal of collection worm case central authorities, and collection worm case bottom is connected with device pedestal top, and junction arranges several natural enemy escapes hole.

In technique scheme, on device pedestal, be covered with mud or the water of 1 cm thick.

In technique scheme, in the mud on the device pedestal of built-in box central authorities or water, plant and have strain seedling or a fresh straw.

In technique scheme, collection worm case surrounds cylindrical shape by nylon wire or stainless (steel) wire, and built-in box surrounds cylindrical drum by nylon wire or stainless (steel) wire.

General principle of the present invention is, by light traps such as fan sucking type high efficiency light traps (Chinese patent 200910042916.2), insect attraction is arrived to collection worm case, the individuality of lepidoptera imago is generally larger, beneficial insect mainly comprises how ground beetle, rove beetle, predacious diving beetle, ladybug etc. can creep in muddy water, can flee from by natural enemy escape hole, device bottom, lepidoptera pest can not; Built-in box also only allows little individual insect to enter, as plant hopper, Mirid, cyrtorhinus, mosquito etc., and seedling or the fresh straw of central authorities have kind of an inducing action to plant hopper, in collection worm case, most of plant hopper is gathered on seedling or fresh straw, and plant hopper also produces ovum on seedling or fresh straw simultaneously, and Mirid, cyrtorhinus is taking plant hopper ovum as food, equally, beneficial insect in collection worm case can eat up the most of insects in the inside, and after 3-5 days, insect is all dead, beneficial insect is all put back to field.

Advantage of the present invention: the first, breeding oophagous trichogrammae in ancillary chamber.Lure the lepidopterous insects of collection that ovum is produced on the nylon wire around collection worm case by type light traps such as fan sucking type high efficiency light traps, every lepidopterous insects can produce 100-200 grain ovum, can lure 90-100 lepidopterous insects usual each evening, insect pest peak period can lure 600-700 lepidopterous insects, these Lepidoptera ovum can be bred 10,000 to 70,000 oophagous trichogrammaes, can save the oophagous trichogrammae kind in mu field, 1 mu of field to 7, that has reduced to a great extent field puts honeybee cost, has avoided the harm bringing in insect pest peak period simultaneously.The second, the primary pest natural enemy in protection field.Collection worm case bottom is provided with 6 natural enemy escape Kong ， Walk first, rove beetles, ladybug, predacious diving beetle etc. and can from these holes, climbs out of; Moreover, some beneficial insect can be to integrate insect in worm case as food, and Mirid, cyrtorhinus is mainly eaten the ovum of plant hopper, after 3-5 days, after all dead complete the dying of the insect of the inside, again beneficial insect is put back to field, this has been avoided trapping lamp " to manslaughter " completely, be conducive to effective control of field insect pest, to preventing that insect pest from providing natural enemy guarantee on a large scale.Therefore, the present invention should accelerate to promote, to solve the problem of preventing and treating of insect pest in ecological agriculture production process.

Brief description of the drawings

Fig. 1 is structural representation of the present invention

In figure:

1-funnel type insect entry 2-collection worm case, 3-device pedestal, 4-built-in box

5-natural enemy escape hole, 6-rice seedlings.

Embodiment

With reference to accompanying drawing: the present invention is mainly made up of funnel type insect entry 1, collection worm case 2, device pedestal 3, built-in box 4, natural enemy escape hole 5 and rice seedlings 6, wherein collecting worm case 2 is fixed on

device pedestal

3,6 natural enemy escape holes 5 are evenly distributed in device pedestal 3 tops and the joint that collects worm case 2 bottoms, on device pedestal 3, cover the earth of 1 cm thick, it is dark that 4 of built-in boxes are placed on 0.5 centimetre, earth on centre and the insertion apparatus base 3 of collection worm case 2, on the earth on central authorities, the device pedestal 3 of built-in box 4, plugs strain seedling or a fresh straw.In the time of the work of fan sucking type high efficiency light trap, lure the insect of collection to enter collection worm case 2, because can only flying, lepidopterous insects can not be on all fours, so their major parts rest on collection worm case 2 nylon wire around, and ovum is also produced on nylon wire, paste an oophagous trichogrammae ovum card in collection worm case 2 the insides, oophagous trichogrammae can be found their host on nylon wire like this; And most of beneficial insect climbs in collection worm case 2 the insides everywhere as Walk first, predacious diving beetle, rove beetle, ladybug etc., they can eat insect in 2 li, collection worm case, also can climb out of from the natural enemy hole 5 of escaping; The little individual insect such as plant hopper can fly into built-in box 4 the insides and rest on rice seedlings 6 and take food, lays eggs, and Mirid, cyrtorhinus also can fly into built-in box 4 the insides and taking plant hopper produce ovum as food; The insect that collect an evening is put into field 3-5 days, the insect deads such as plant hopper, in handle assembly, all beneficial insects are put back to field.3-4 this device of a fan sucking type high efficiency light trap configuration, changes this device to fan sucking type high efficiency light trap in 1-2 days.So, reach the object of beneficial insect separation and beneficial insect protection and playback, thereby ensured the radix of field beneficial insect, effectively controlled the generation of field insect pest, be conducive to production and the development of the ecological agriculture.

Claims

1. a benefit evil insect efficient separation method, it is characterized in that: by light trap, insect is collected in collection worm case, collection worm case bottom has natural enemy escape hole, the individuality of insect lepidoptera imago is larger, can not creep, beneficial insect ground beetle, rove beetle, predacious diving beetle, ladybug can be in muddy water be fled from by the natural enemy hole of escaping, on the device pedestal of collection worm case, built-in box is installed, on the device pedestal of built-in box central authorities, plant and have seedling or fresh straw, built-in box only allows little individual insect plant hopper, Mirid, cyrtorhinus, mosquito enters, most of plant hopper is gathered on seedling or fresh straw, insect plant hopper also produces ovum on seedling or fresh straw simultaneously, Mirid, cyrtorhinus is taking plant hopper ovum as food, equally, beneficial insect in collection worm case can eat up the most of insects in the inside, after 3-5 days, insect is all dead, beneficial insect is all put back to field.