CN104886022B - A kind of height-adjustable pest forecast apparatus and method - Google Patents

Abstract

A kind of height-adjustable pest forecast apparatus and method, belong to pest forecast technical field.Height adjustment mechanism top is connected with pest trap mechanism, and height adjustment mechanism bottom is connected with limiting plate；Height adjustment mechanism includes the outer barrel of mutually socket（1）And inner cylinder（2）, outer barrel（1）And inner cylinder（2）Position by through outer barrel（1）Barrel tightens bolt（3）It is fixed；Outer barrel（1）Top locating rod is connected with by rotary shaft（4）, locating rod（4）The setting height(from bottom) of rotary shaft is equal with the setting height(from bottom) of pest trap mechanism；Locating rod（4）It is foldable, locating rod（4）On be evenly distributed with it is multiple for hanging haftplatte（5）Mounting hole, to hang haftplatte；The height-adjustable pest forecast apparatus structure is simple, easy to use, and it is accurate to observe and predict, and the height-adjustable pest forecast device can improve the accuracy of pest forecast.

Description

A kind of height-adjustable pest forecast apparatus and method

Technical field

A kind of height-adjustable pest forecast apparatus and method, belong to pest forecast technical field.

Background technology

With the generally implementation and the popularization of the sustainable control strategy of insect of China's green agriculture, using insect sex pheromone Harmful insect is monitored and is controlled, it is considered to be environmental protection, effectively one of feasible way of control insect.It is many at present The sex pheromone of lepidoptera pest has been applied to the aspects such as detecting and reporting pest information, biological control and insect quarantine, it has also become You Haisheng One of effective measures in thing integrated control.At present, there are two kinds using the method for sex pheromone trapping, preventing and controlling insect：One kind is to lure Method is killed, specific method is, in a number of trapper of deployment, to a large amount of trapping male insects, to reduce the nature of adult Mating rate, the insect density of second generation larva is reduced so as to reach, lowers the degree that crops are caused harm.Another kind is Mating discruption, fan It is a large amount of release sex pheromones within the specific limits to method, the feeler of male imago is constantly in the sex pheromone of high concentration and surround Among, or a large amount of homologue, inhibitor for discharging sex pheromone, it is used to disturb normal chemical communication between female male imago, it is allowed to The purpose for finding female adult mating and reaching its mating breeding of control cannot be oriented.

Applicant has found under study for action：Existing utilization insect sex pheromone to the device and Forecasting Method of pest forecast, It is unsatisfactory that it observes and predicts effect.First, the trap effect of existing pest forecast device is not good, at present conventional crop pests The instrument of observing and predicting is main based on frequency ventilating type Measuring and reporting lamp and black light lamp.For basic unit technical staff and peasant, without special Observe and predict instrument, some of the staff are observed and predicted using trapping lamp, and it is inaccurate to observe and predict result, does not have the effect of observing and predicting；And it is high-accuracy Pest forecast equipment manufacturing cost is high, install, using complexity, be not suitable for vast farmerses and basic unit technical staff.Secondly, it is existing The method for observing and predicting insect using sex pheromone is low compared with black light lamp or frequency ventilating type Measuring and reporting lamp pest trap amount, occurs in adult pest Phase, insect peak value can observe and predict acquisition, and whole Injurious insect emergence period cannot be observed and predicted accurately, influence the accurate of pest forecast Property, it is impossible to more effectively preventing is carried out to insect, is brought greater inconvenience to agricultural production.

The content of the invention

The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art, there is provided a kind of height-adjustable insect Detector and alarm and method, the height-adjustable pest forecast apparatus structure are simple, easy to use, and it is accurate to observe and predict, and this can adjust The pest forecast device of height can improve the accuracy of pest forecast.

The technical solution adopted for the present invention to solve the technical problems is：The height-adjustable pest forecast device, bag Height adjustment mechanism is included, height adjustment mechanism top is connected with pest trap mechanism, height adjustment mechanism bottom connection limited location Base；Height adjustment mechanism includes the outer barrel and inner cylinder of mutually socket, and the position of outer barrel and inner cylinder is by through outer barrel barrel Bolt is tightened to fix；The top of outer barrel is connected with locating rod by rotary shaft, and setting height(from bottom) and the insect of locating rod rotary shaft lure The setting height(from bottom) for catching mechanism is equal；Locating rod is connected with haftplatte；Pest trap mechanism includes trapper and cover plate, outside trapper Collar is set with, collar is connected by connecting rod by buckle and trapper clamping, collar with outer barrel top；Trapper is just Top is provided with multiple columns, and cover plate is movably connected in the surface of trapper by multiple columns.

Preferably, described trapper includes tubular housing, and enclosure interior top is provided with collection bucket, and collection bucket is in open The upward funnel-form of mouth, collection bucket center is provided with the collection port passed through for insect, and housing bottom is sealed by screen pack, filtering Insect-catching plate is installed on the net, insect-catching plate is provided with the second lure, gap is left between insect-catching plate and inner walls.

Preferably, described enclosure interior stage casing is provided with correlation infrared counting device, and housing exterior walls are provided with display screen, right Formula infrared counting device is penetrated to be electrically connected with display screen.

Preferably, in the arc that Open Side Down, cover plate top center is provided with through hole, net is provided with through hole described cover plate Bucket, is provided with the first lure in net bucket, there is the aperture being engaged with column on cover plate, and cover plate is plugged on column top by aperture.

Preferably, described buckle includes the buckling groove on collar and the projection on trapper outer wall, clamping Groove is L-shaped, is provided with inside buckling groove for preventing the raised catch for moving left and right, and existing between catch and clamping trench bottom is used for The space for projecting through.

Preferably, described limiting plate includes position-arresting disk and long bolt, and position-arresting disk is vertical with inner cylinder to be fixedly connected, spiral shell long Bar is fixedly connected with the ground through position-arresting disk, and a nut is mounted on each described long bolt, and nut is located on position-arresting disk Side.

Preferably, described inner cylinder is provided with scale, and scale is distributed to inner cylinder top from inner cylinder bottom, and outer barrel bottom is provided with Small window for observing scale, sheet glass is provided with small window.

Preferably, described correlation infrared counting device is adjacent with collection port, correlation infrared counting device and control system Electrical connection, is provided with wireless telecommunications system in control system, control system is fixed on hull outside.

Preferably, multiple mounting holes for hanging haftplatte are evenly distributed with described locating rod, outer barrel top is vertical Multiple retainer rings for fixing haftplatte are distributed with, with locating rod at grade, haftplatte is vertical for the retainer ring described in multiple The length in direction is more than or equal to 40cm.

The Forecasting Method of above-described a kind of height-adjustable pest forecast device, it is characterised in that including as follows Step：

1）It is determined that optimal mobile layer：Limiting plate is placed on vicinity of plants, locating rod is turned into level, haftplatte is lived Dynamic connection on the securing lever, the position of haftplatte is adjusted by height adjustment mechanism, the position of haftplatte is in pest activity layer；It is logical Dense degree of the insect on haftplatte is crossed, optimal mobile layer of the insect on plant is determined；

2）Induction trapping：To be removed on the self-positioning bar of haftplatte, locating rod is kept into level, weighing insect by locating rod lures The difference in height between mechanism and crown is caught, pest trap mechanism is located in mobile layer, daily in statistics pest trap mechanism The female adult pest or male imago quantity of acquisition；And according to the growth of plant, every 1 ~ 3 day height of adjustment pest trap mechanism, it is ensured that Pest trap mechanism is located at optimal mobile layer；

3）Determine sex ration：Black light lamp trapping pests are used daily, count the female-male proportion of the insect of trapping.

The present invention is described as follows：Applicant has found that the mobile layer of insect is relevant with the plant height of plant under study for action, evil Worm quantity in mobile layer is more, movable more frequent.It is found by the applicant that the height of different insects mobile layer on plant is not Together, when pest forecast device is arranged on the optimal mobile layer of insect, optimal trap effect can just be played.In existing trapping apparatus Highly the effect of regulation is just for the sake of adapting to different types of plant in order to fixation, and existing trapping apparatus are observing and predicting work Its height is all to fix unconverted during work.It can be caused first can not enter for the optimal mobile layer of different types of insect Row Height Adjustment, causes trap effect not good, so as to influence the accuracy observed and predicted；Secondly, applicant has found under study for action, insect The time of survival is universal more long, up to the several months, and is constantly growth in the time implants that insect survives, and plant is highly Change cause pest activity layer change, can not thus be trapped and killed well, this is to cause sex pheromone to observe and predict knot Fruit observes and predicts the main cause of Lower result than black light lamp.Therefore applicant devises height-adjustable pest forecast of the invention Device and Forecasting Method, the accuracy observed and predicted can be improved in order to be directed to during insect of the same race, be can adjust during for not insect of the same race Highly remain at pest trap mechanism to be observed and predicted in its optimal mobile layer, for height with the very fast change of growth Plant, during pest trap mechanism can be made to remain at its optimal mobile layer, is effectively traped to insect.

Applicant has found under study for action：Mobile layer is the more intensive altitude range of pest activity.Optimal mobile layer is located at In mobile layer.In the altitude range of optimal mobile layer, the activity dense degree of insect is more than other regions in mobile layer.Activity The thickness of layer vertical direction produces change because of the difference of the different and plant of insect, its activity such as on more short crops Layer vertical direction thickness it is narrower, and in the larger perennial woody plant of tree crown its mobile layer vertical direction thickness compared with Greatly.Applicant is designed in step 1）Middle utilization haftplatte first determines a kind of mobile layer of insect on specified plant, to reduce the scope； Then by the dense degree of insect on haftplatte in the mobile layer, it is determined that after the insect optimal mobile layer, by pest trap machine The installation site of structure is arranged in optimal mobile layer, can play optimal trap effect.Applicant is in step 2）It is middle according to plant Growth optimal mobile layer is adjusted in time, it is ensured that pest trap mechanism can be always held in optimal mobile layer, improve The accuracy observed and predicted.Step 2）In pest trap mechanism can trap the other adult of female adult pest or male imago, i.e. unicity, apply People is in step 3）Middle use black light lamp trapping can obtain the female-male proportion of same day insect, in order in accurate analysis Injurious insect emergence period The change of the quantity of adult, improves the accuracy of detection.

Compared with prior art, height-adjustable pest forecast apparatus and method of the invention are had the advantage that It is：

1st, the height-adjustable pest forecast device is Height Adjustable, pest trap mechanism can be placed in into insect most In good mobile layer, the trapping quantity of insect is improved, so as to improve the accuracy observed and predicted.

2nd, the height-adjustable pest forecast apparatus structure is simple, cheap, is skillfully constructed, and is adapted to basic unit technology people Member or peasant use.The operating method of height-adjustable pest forecast device of the invention can improve the accurate of pest forecast Property, and operation is simple, is easy to promote on a large scale.

Brief description of the drawings

Fig. 1 is the structural representation of height-adjustable pest forecast device.

Fig. 2 is the partial enlarged drawing of a-quadrant in Fig. 1.

Fig. 3 is the cutaway view Amplified image of trapper in Fig. 1.

Fig. 4 is height-adjustable pest forecast device step 2）The structural representation of state.

Fig. 5 is the structural representation of height-adjustable pest forecast device off working state.

Wherein：1st, outer barrel 101, retainer ring；2nd, inner cylinder；3rd, bolt is tightened；4th, locating rod 401, mounting hole；5、 Haftplatte；6th, trapper 601, housing 602, collection bucket 603, collection port 604, screen pack 605, insect-catching plate 606, correlation Infrared counting device 607, display screen；7th, cover plate 701, net bucket；8th, collar；9th, column；10th, the first lure；11st, buckling groove； 12nd, it is raised；13rd, catch；14th, position-arresting disk；15th, long bolt；16th, nut；17th, scale；18th, small window；19th, control system, 20, Two lures.

Specific embodiment

The most preferred embodiment of Fig. 1 ~ 5 height-adjustable pest forecast device of the invention, below in conjunction with the accompanying drawings 1 ~ 5 pair of sheet Invention is described further.

Reference picture 1, a kind of height-adjustable pest forecast device of the invention, including height adjustment mechanism, height are adjusted Section mechanism top is connected with pest trap mechanism, and height adjustment mechanism bottom is connected with limiting plate；Height adjustment mechanism includes The position of the outer barrel 1 and inner cylinder 2 being mutually socketed, outer barrel 1 and inner cylinder 2 is fixed by the bolt 3 of tightening through the barrel of outer barrel 1；Outward The top of cylinder 1 is connected with locating rod 4, the setting height(from bottom) of the rotary shaft of locating rod 4 and the installation of pest trap mechanism by rotary shaft It is highly equal；Locating rod 4 is connected with haftplatte 5；Multiple mounting holes for hanging haftplatte 5 are evenly distributed with locating rod 4 401, the top of outer barrel 1 is distributed with multiple retainer rings 101 for fixing haftplatte 5 vertically, and multiple retainer rings 101 exist with locating rod 4 On same plane.The length of the vertical direction of haftplatte 5 is more than or equal to 40cm, can once obtain crown above 20cm to plant Insect dense degree in the following 20cm altitude ranges in thing top, this is active layer thickness of the common insect pests on crops, just In the optimal mobile layer for quickly determining different insects.

Reference picture 1, inner cylinder 2 is provided with scale 17, and scale 17 is distributed to the top of inner cylinder 2, the bottom of outer barrel 1 from the bottom of inner cylinder 2 The small window 18 for observing scale 17 is provided with, sheet glass is installed on small window 18, can prevent water or silt from blocking small window 18, it is ensured that Normal reading.The radix of scale 17 is distance of the small window 18 to collar 8.Scale 17 is directly printed on a plastic film, then will modeling Material film covering is pasted onto on inner cylinder 2, if plastic sheeting infringement only needs to change, has been greatly saved production cost.

Reference picture 1, limiting plate includes position-arresting disk 14 and long bolt 15, and position-arresting disk 14 is vertical with inner cylinder 2 to be fixedly connected, long Screw rod 15 is fixedly connected with the ground through position-arresting disk 14, and a nut 16, nut 16 are mounted on each described long bolt 15 Positioned at the top of position-arresting disk 14.The quantity of long bolt 15 is three or four.Long bolt 15 and position-arresting disk 14 are metal material, or Person's long bolt 15 and position-arresting disk 14 are cement material, first exist before height-adjustable pest forecast device of the invention is installed Upper soll layer casting cement base, then long bolt 15 and position-arresting disk 14 are fixed on cement base, inner cylinder 2 passes through setscrew It is fixed on the position-arresting disk 14 of cement material, it is fixed more firm, it is not drawn out easily and is influenceed by weather.

Reference picture 1 and 3, counting collection mechanism includes trapper 6 and cover plate 7, and the outer cover of trapper 6 is equipped with collar 8, collar 8 are connected by connecting rod by buckle and the clamping of trapper 6, collar 8 with the top of outer barrel 1；The surface of trapper 6 is provided with many Individual column 9, cover plate 7 passes through the surface that multiple columns 9 are movably connected in trapper 6.Column 9 is three or four.

Reference picture 2, buckle includes the buckling groove 11 on collar 8 and on the outer wall of trapper 6 raised 12, clamping Groove 11 is L-shaped, is provided with inside buckling groove 11 for preventing raised 12 catch 13 for moving left and right, catch 13 and the bottom of buckling groove 11 Between exist for raised 12 spaces for passing through.The design of catch 13 makes trapper 6 fix more firmly, prevents it by under wind.

Reference picture 1 and 3, cover plate 7 is provided with through hole, net is provided with through hole in the arc that Open Side Down, the top center of cover plate 7 Bucket 701, is provided with the first lure 10 in net bucket 701, there is the aperture being engaged with column 9 on cover plate 7, and cover plate 7 passes through aperture grafting On the top of column 9.Cover plate 7 is provided with the aperture being engaged with column 9, and cover plate 7 is plugged on the top of column 9 by aperture.

Reference picture 1 and 3, trapper 6 includes tubular housing 601, and the inner tip of housing 601 is provided with collection bucket 602, receives Collection bucket 602 is in the funnel-form of opening upwards, and the center of collection bucket 602 is provided with the collection port 603 passed through for insect, collection port 603 A diameter of 2 ~ 3cm, the bottom of housing 601 is sealed by screen pack 604, and insect-catching plate 605, insect-catching plate 605 are provided with screen pack 604 The second lure 20 is provided with, gap is left between insect-catching plate 605 and the inwall of housing 601, the design can be easy to flow into housing 601 Rainwater, the screen pack 604 for directly being exposed by the gap location flow to outside housing 601, will not be accumulated in trapper 6.

Reference picture 1 and 3, the inside stage casing of housing 601 is provided with correlation infrared counting device 606, and the outer wall of housing 601 is provided with aobvious Display screen 607, correlation infrared counting device 606 is electrically connected with display screen 607.Correlation infrared counting device 606 and the phase of collection port 603 Neighbour, in order to the number of pest that accurate recording flies into from collection port 603, correlation infrared counting device 606 is electric with control system 19 Connection, is provided with wireless telecommunications system in control system, control system 19 is fixed on the outside of housing 601.By wireless telecommunications system Sent to terminal and observe and predict data, control system and wireless telecommunications system are fixed on the side of outer barrel 1 and collar opposition.Correlation is red Outer counter 606 connects display screen 607 by control system 19, and countings can be read by display screen 607, display screen 607 and Small window 18 is arranged on the same side, convenient to observe simultaneously, without shifting one's position.Control system 19 is by wireless telecommunications system to terminal Data are observed and predicted in transmission, and terminal is computer or mobile phone；Basic unit technical staff can read by display screen 607 or in terminal and observe and predict Data.Correlation infrared counting device 606, control system 19 and the power supply of display screen 607 according to configuration it is different be divided into battery, Three kinds of alternating current and solar energy.

During work, position-arresting disk 14 is placed near plant first, entered under then the attaching nut 16 of long bolt 15 is coordinated Enter soil, and then the position of inner cylinder 2 is fixed, because long bolt 15 is contacted with soil by screw thread, compared to traditional nail type It is fixed more firm, it is not drawn out easily and inclines.First unscrew and tighten bolt 3, the position relationship between regulation outer barrel 1 and inner cylinder 2 passes through The scale 17 shown on small window 18 determines the height of pest trap mechanism, and locating rod 4 is located at identical height with pest trap mechanism, Crown and the inter-agency difference in height of pest trap are weighed using locating rod 4, determines counting pest trap is located at insect most After in good mobile layer, the position for tightening the fixed outer cylinder 1 of bolt 3 and inner cylinder 2 is tightened.First lure 10 is to sporadic letter in air Breath element, insect follows sex pheromone and flies to cover plate 7, because cover plate 7 is arc, on the one hand can make sex pheromone to surrounding and under Side's diffusion, on the other hand can stop that insect flies out, and under the induction of the second lure 20 in housing 601, insect passes through collection bucket The collection port 603 at 602 centers is flown into inside housing 601, and is pasted onto on insect-catching plate 605, the section diameter of collection port 603 be 2 ~ 3cm, one side insect will necessarily stop the infrared-ray 606 of correlation infrared counting device 606 when by collection port 603, right Formula infrared counting device 606 is penetrated by signal transmission to control system 19 and including on display screen 607, on the other hand due to collection port 603 diameters are smaller, even if insect is not clung by insect-catching plate 605 to be not easy to be flown out from housing 601, still can finally be bonded at and catch On worm plate 605.Rainwater weather is met, because the bottom of housing 601 design screen pack 604 is sealed, insect-sticking plate is set on screen pack 604, glued Worm plate leaves gap with inner walls, and rainwater can flow to screen pack 604 by the gap between insect-catching plate 605 and the inwall of housing 601 On, so that housing 601 is flowed out, will not be in the ponding of housing 601.Reference picture 5, the rotatable locating rod 4 of off working state, by locating rod 4 pack up, and are readily transported and sell.

Embodiment

Embodiment 1 ~ 3 is the specific implementation of the Forecasting Method of a kind of height-adjustable pest forecast device in the present invention Mode.

Embodiment 1

The insect that the present embodiment is determined is green plant bug, and plant is cotton.

Referring to Fig. 1,1）It is determined that optimal mobile layer：Limiting plate is placed on vicinity of plants, locating rod is turned into level, Haftplatte is flexibly connected the position for being adjusted haftplatte by height adjustment mechanism on the securing lever, the position of haftplatte is in insect Mobile layer；Dense degree by insect on haftplatte, determines optimal mobile layer of the insect on plant；Green plant bug exists after measured Optimal mobile layer on cotton is the scope of more than cotton plants top to cotton top 10 ~ 15cm；

Referring to Fig. 4,2）Induction trapping：To be removed on the self-positioning bar of haftplatte, locating rod is kept into level, weighed by locating rod Difference in height between amount pest trap mechanism and crown, makes pest trap mechanism be located in optimal mobile layer, daily statistics evil The female adult pest or male imago quantity obtained in worm trapping mechanism；And according to the growth of plant, every two days adjustment counting collection mechanisms Height, it is ensured that pest trap mechanism be located at the optimal mobile layer of insect；

3）Determine sex ration：Black light lamp trapping pests are used daily, count the female-male proportion of the insect of trapping；According to step 2）The daily female adult pest or male imago quantity of record, with reference to step 3）Injurious insect emergence period sex ration pests occurrence rule come correcting property letter Breath element trapping result.

Embodiment 2

The insect that the present embodiment is determined is black striped plant bug, and plant is cotton.

1）It is determined that optimal mobile layer：Limiting plate is placed on vicinity of plants, locating rod is turned into level, haftplatte is lived Dynamic connection on the securing lever, the position of haftplatte is adjusted by height adjustment mechanism, the position of haftplatte is in pest activity layer；It is logical Dense degree of the insect on haftplatte is crossed, optimal mobile layer of the insect on plant is determined；After measured, black striped plant bug is on cotton Mobile layer be cotton plants top above 10cm to the scope of cotton top above 25cm；

2）Induction trapping：To be removed on the self-positioning bar of haftplatte, locating rod is kept into level, weighed to count by locating rod and receive Difference in height between collecting mechanism and crown, makes pest trap mechanism be located at pest activity optimal layer, and pest trap is counted daily The female adult pest or male imago quantity obtained in mechanism；And according to the growth of plant, the every three days height of adjustment counting collection mechanism, Ensure that pest trap mechanism is located at optimal mobile layer；

3）Determine sex ration：Black light lamp trapping pests are used daily, count the female-male proportion of the insect of trapping；According to step 2）The daily female adult pest or male imago quantity of record, with reference to step 3）The adult sex ration pests occurrence rule of Injurious insect emergence period is corrected Sex pheromone traps result.

Embodiment 3

The insect that the present embodiment is determined is corn borer, and plant is jointing stage corn.

1）It is determined that optimal mobile layer：Limiting plate is placed on vicinity of plants, locating rod is turned into level, haftplatte is lived Dynamic connection on the securing lever, the position of haftplatte is adjusted by height adjustment mechanism, the position of haftplatte is in pest activity layer；； Dense degree by insect on haftplatte, determines optimal mobile layer of the insect on plant；After measured, corn borer is on corn Optimal mobile layer be milpa top above 60cm to the scope of milpa top above 75cm；

2）Induction trapping：To be removed on the self-positioning bar of haftplatte, locating rod is kept into level, weighing insect by locating rod lures The difference in height between mechanism and crown is caught, pest trap mechanism is located in optimal mobile layer, daily statistics pest trap machine The female adult pest or male imago quantity obtained in structure；And according to the growth of plant, adjust the height of counting collection mechanism every day, really Protect pest trap mechanism and be located at optimal mobile layer altitude range；

3）Determine sex ration：Black light lamp trapping pests are used daily, count the female-male proportion of the insect of trapping；According to step 2）The daily female adult pest or male imago quantity of record, with reference to step 3）The sex ration pests occurrence rule of Injurious insect emergence period adult is corrected Sex pheromone traps result.

Be can be seen that by embodiment 1 ~ 3：After 2 ~ March of continuous monitoring, with the Forecasting Method sheet than existing level altitude The device and its Forecasting Method of invention significantly improve the accuracy observed and predicted.Particularly embodiment 3, for growing rapid jointing Phase corn, the height change of its plant is fast, and the mobile layer change of insect is obvious, compared to existing technology, is observed and predicted using of the invention Device cooperation Forecasting Method can significantly improve the accuracy observed and predicted.

The above, is only presently preferred embodiments of the present invention, is not the limitation for making other forms to the present invention, is appointed What those skilled in the art changed possibly also with the technology contents of the disclosure above or be modified as equivalent variations etc. Effect embodiment.But it is every without departing from technical solution of the present invention content, according to technical spirit of the invention to above example institute Any simple modification, equivalent variations and the remodeling made, still fall within the protection domain of technical solution of the present invention.

Claims (7)

1. a kind of height-adjustable pest forecast device, it is characterised in that：Including height adjustment mechanism, height adjustment mechanism top End is connected with pest trap mechanism, and height adjustment mechanism bottom is connected with limiting plate；Height adjustment mechanism includes mutually socket Outer barrel（1）And inner cylinder（2）, outer barrel（1）And inner cylinder（2）Position by through outer barrel（1）Barrel tightens bolt（3）Gu It is fixed；Outer barrel（1）Top locating rod is connected with by rotary shaft（4）, locating rod（4）The setting height(from bottom) and pest trap of rotary shaft The setting height(from bottom) of mechanism is equal；Locating rod（4）It is connected with haftplatte（5）；Pest trap mechanism includes trapper（6）And cover plate（7）, Trapper（6）Outer cover is equipped with collar（8）, collar（8）By buckle and trapper（6）Clamping, collar（8）By connecting rod with Outer barrel（1）Top is connected；Trapper（6）Surface be provided with multiple columns（9）, cover plate（7）By multiple columns（9）Activity It is connected to trapper（6）Surface；

Described trapper（6）Including tubular housing（601）, housing（601）Inner tip is provided with collection bucket（602）, receive Collection bucket（602）In the funnel-form of opening upwards, collection bucket（602）Center is provided with the collection port passed through for insect（603）, housing （601）Bottom passes through screen pack（604）Sealing, screen pack（604）On insect-catching plate is installed（605）, insect-catching plate（605）It is provided with Second lure（20）, insect-catching plate（605）With housing（601）Gap is left between inwall；Collection port（603）Section diameter be 2 ~ 3cm；

Described cover plate（7）In the arc that Open Side Down, cover plate（7）Top center is provided with through hole, and net bucket is provided with through hole （701）, net bucket（701）In be provided with the first lure（10）, cover plate（7）On have and column（9）The aperture being engaged, cover plate（7）It is logical Small holes are plugged on column（9）Top；

Described locating rod（4）On be evenly distributed with it is multiple for hanging haftplatte（5）Mounting hole（401）, outer barrel（1）Erect on top The straight multiple that is distributed with is for fixing haftplatte（5）Retainer ring（101）, the retainer ring described in multiple（101）With locating rod（4）Same In one plane, haftplatte（5）The length of vertical direction is more than or equal to 40cm.

2. a kind of height-adjustable pest forecast device according to claim 1, it is characterised in that：Described housing （601）Internal stage casing is provided with correlation infrared counting device（606）, housing（601）Outer wall is provided with display screen（607）, correlation Infrared counting device（606）With display screen（607）Electrical connection.

3. a kind of height-adjustable pest forecast device according to claim 1, it is characterised in that：Described buckle bag Include positioned at collar（8）On buckling groove（11）With positioned at trapper（6）Projection on outer wall（12）, buckling groove（11）It is L-shaped, card Access slot（11）Inside is provided with for preventing projection（12）The catch for moving left and right（13）, catch（13）With buckling groove（11）Bottom it Between exist for projection（12）The space for passing through.

4. a kind of height-adjustable pest forecast device according to claim 1, it is characterised in that：Described spacing bottom Seat includes position-arresting disk（14）And long bolt（15）, position-arresting disk（14）With inner cylinder（2）Vertically it is fixedly connected, long bolt（15）Through limit Position disk（14）It is fixedly connected with the ground, each described long bolt（15）On be mounted on a nut（16）, nut（16）It is located at Position-arresting disk（14）Top.

5. a kind of height-adjustable pest forecast device according to claim 1, it is characterised in that：Described inner cylinder （2）It is provided with scale（17）, scale（17）From inner cylinder（2）Bottom is distributed to inner cylinder（2）Top, outer barrel（1）Bottom be provided with for Observation scale（17）Small window（18）, small window（18）On sheet glass is installed.

6. a kind of height-adjustable pest forecast device according to claim 2, it is characterised in that：Described correlation Infrared counting device（606）With collection port（603）It is adjacent, correlation infrared counting device（606）With control system（19）Electrical connection, control Wireless telecommunications system, control system are provided with system processed（19）It is fixed on housing（601）Outside.

7. a kind of Forecasting Method of height-adjustable pest forecast device according to claim 1, it is characterised in that bag Include following steps：

1）It is determined that optimal mobile layer：Limiting plate is placed on vicinity of plants, by locating rod（4）Level is turned to, by haftplatte（5） It is movably connected in locating rod（4）On, haftplatte is adjusted by height adjustment mechanism（5）Position, make haftplatte（5）Position be in evil Worm mobile layer；By insect in haftplatte（5）On dense degree, determine optimal mobile layer of the insect on plant；

2）Induction trapping：By haftplatte（5）Self-positioning bar（4）On remove, by locating rod（4）Holding level, by locating rod（4）Weighing apparatus Difference in height between amount pest trap mechanism and crown, makes pest trap mechanism be located in mobile layer, and statistics insect lures daily Catch the female adult pest or male imago quantity obtained in mechanism；And according to the growth of plant, every 1 ~ 3 day height of adjustment pest trap mechanism Degree, it is ensured that pest trap mechanism is located at optimal mobile layer；

3）Determine sex ration：Black light lamp trapping pests are used daily, count the female-male proportion of the insect of trapping.