CN202340592U - Five-arm olfaction instrument for big insects - Google Patents

Abstract

The utility model provides a five-arm olfaction instrument for big insects. The olfaction instrument mainly comprises a foursquare box body, a left tubular arm, a right tubular arm, a front tubular arm, a rear tubular arm and a lower tubular arm, wherein the left tubular arm, the right tubular arm, the front tubular arm and the rear tubular arm are arranged on side boards; and the lower tubular arm is arranged on a bottom board. The olfaction instrument is structurally characterized in that the lower tubular arm of the box body and the tubular arms on four sides form an equal distance five-arm structure, the box body is partitioned into four symmetrical and uniform test regions by arc-shaped partition plates, and smell flow can be gathered in the center of the box body, so that the tested big insects can identify the smell by means of olfaction habit and automatically crawl to the favorite gas source, and a reliable olfaction test theoretical basis can be provided for preparing insect attractant products; particularly the side boards and the bottom boards are made of wood, so that the olfaction instrument which has large space and is suitable for the big insects can be manufactured with low cost; and the olfaction instrument has predominant advantages of strong gas source directivity, testing accuracy and reliability and high experiment efficiency, is difficult to damage in operation, and has extremely good popularization and use prospect, and the service life of the instrument is prolonged.

Description

Five arm olfactometers to the cardinal principle insect

Technical field

The utility model relates to a kind of experimental instrument of testing insect olfaction, and it belongs to the detected by scent ability of studying insect and the technical field of liking habit research and development insect attractant according to its sense of smell, specifically a kind of five arm olfactometers to the cardinal principle insect.

Background technology

We know; Insect is being carried out in scientific research and the teaching process; Need especially to understand the perception dynamics of insect, can on purpose research and develop attractant with strong points according to the hobby habit of insect olfaction to the various chemical agent volatile substance smells of variable concentrations.Explore a novel nontoxic free of contamination efficient insecticide approach for utilizing the physics biological method to replace agricultural chemicals, make its can non agricultural chemical residuum, not pollution of ecological environment, do not strengthen the purpose that realizes sustainable Control and kill pests on the basis of pest resistance to insecticide yet.This be numerous researchers of having foresight and sagacity at present for comply with human 21st century pay attention to the most, the demand of responsive environmental protection concept the most, and for it unremitting effort thirst for realizing a kind ofly utilize ecological approach to control the best mode with pest control fully.People can be to the efficient attractant of certain specific insect in order to prepare, and just must search out the volatile materials of its institute host plant and from numerous volatile matters, filters out tool allure and pollute the low chemical composition of minimum cost of manufacture.Up to now; What in carrying out this scientific research and education activities, generally use is a kind of four arm olfactometers; It is the casing of processing with glass material, and its operation principle is: insect to be tested is put in the instrument into the material of different odor on olfactometer four edge joints; Olfactometer on one side or the top connect vavuum pump and bleed, observe the insect smell that direction can assert that it is liked of creeping.But; Four arm olfactometers of this traditional structure still exist some to use defective in actual test operation, and it mainly shows as: 1. because it is to adopt full glass material to process, its volume is difficult to do greatlyyer; The careless slightly as easy as rolling off a log breakage that causes in test operation when profile is excessive; This just makes that its close beta space is comparatively narrow and small, and in general, four existing arm olfactometers only are applicable to the less relatively insect of test build; And can not test like insect that bamboo curculionid, cockroach, mantis etc. are big individual, it in use has bigger limitation; 2. connect vavuum pump when bleeding when a side; Can make the test zone on other three limit be in unequal space environment state; And the suction-operated of vacuum also can influence the direction of creeping of little individual insect, and this is to cause four arm olfactometer long-term existence a lower reason of test accuracy; 3. when taking the top to bleed, can cause complex structure to offend the eye, influence observing effect and case lid opens and closes unhandy drawback.This is that existing four arm olfactometers need improved place.

The utility model content

The purpose of the utility model is intended to propose a kind of to five arm olfactometers of insect substantially, and it is further improvement that existing four arm olfactometers are made and perfect.

The purpose of the utility model realizes through following technical scheme:

A kind of five arm olfactometers to the cardinal principle insect; It is the positive square casing that is made up of four side plates, base plate and cover plates; It is characterized in that: left side pipe arm, right pipe arm, preceding pipe arm, back pipe arm are installed respectively at the middle position of four side plates; Pipe arm under the middle position of base plate is installed is fitted with ventilating cover on the top of managing arm down.Its primary structure improves: be installed on bleeding of base plate middle position and form five arm configurations of equidistance with pipe arm down and the left side pipe arm that is installed on four side plates, right pipe arm, preceding pipe arm, back pipe arm; Even under the suction-operated of bleeding, also can guarantee the test zone of every side all is to be in phase of equality space environment state together; This structural design is specially adapted to big individual insects such as bamboo curculionid, cockroach, mantis are carried out the sense of smell test experiments; It is performed such the sense of smell test experiments: the exhaust tube with air sampler is connected in down the pipe arm earlier; In left side pipe arm, right pipe arm, preceding pipe arm, back pipe arm, shelve the filter paper that different volatile medicines to be tested or suction have volatile medicine respectively; And with the rubber stopper that is inserted with glass-tube carry out airtight after; Can connect the electric former startup air sampler 1 ~ 2min that bleeds; Again an amount of cardinal principle insect to be tested is put into positive square casing middle position; Perhaps in the test zone of every side, put into the cardinal principle insect to be tested of equivalent respectively, cover cover plate then positive square casing is sealed, continue the 25 ~ 35min that bleeds; Can the smell suction that different volatile medicines in arm, right pipe arm, preceding pipe arm, the back pipe arm are managed on a left side be converged to positive square casing central authorities and through ventilating cover, manage arm down and discharge outside the casing, in positive square casing, will form from four sides and flow to four strands of different smells that central authorities converge continually.We promptly can be observed: cardinal principle insect to be tested can be liked habit with sense of smell and little by little crawl toward against the smell liked stream and be shelved with that side of this volatile medicine.Check the quantity of the cardinal principle insect of four lateral location that crawl toward after stopping to bleed again respectively, what can clearly judge its sense of smell hobby perceptibility by quantity.So far, promptly accomplish the experimental work that the cardinal principle insect olfaction is tested.

The utility model also has following technical characterictic:

In said positive square casing, be fitted with one group of dividing plate; Can positive square casing be divided into the test zone of four equalizations by one group of dividing plate, this can have certain effect to the test accuracy that prevents between the different volatilization gas taint of odour each other and then improve olfactometer.

Said one group of dividing plate is four identical circular arc plate like structures; Four dividing plates are fitted to the even symmetrical structure of separating of position, case angle formation of positive square casing respectively; This be a kind of make simple, install and be convenient to the optimization separation structure observed easily and especially; Can make that different smells has that the stable and uniform of flowing to is smooth and easy, the strong not taint of odour of source of the gas directive property and be easy to the outstanding characteristic of insect identification, this has positive effect to conventional efficient and the accuracy that improves olfactometer.

Said cover plate is fitted to the outside apical position of a side plate by hinge, and handle on the cover board is installed, and this structural design can be convenient to the unlatching or the shutoff operation of cover plate.

The interior empty length of side of said positive square casing is controlled to be 60 ~ 100cm; Highly be 10 ~ 20cm; Increased the inner space of positive square casing effectively; Insect can be in the environment of broad be creeped with self intrinsic sense of smell habit with discerning smell independence and freedom, the test accuracy of further raising five arm olfactometers is also had certain effect.The inwall caliber of a left side being managed arm, right pipe arm, preceding pipe arm and back pipe arm is controlled to be 2 ~ 6cm, can be convenient to shelve the operation that volatile medicine to be tested or suction have volatile medicine filter paper.

Four side plates, base plates of said positive square casing are to adopt wood materials to process; But the manufacturing cost of lowering apparatus; Cracky can not prolong service life of instrument effectively in experimental implementation; Cover plate is to adopt clear glass to process, and is convenient to people and in experiment, observes the motion state of insect in discerning smell and freely creeping at any time.

The utility model is compared with prior art has following advantage:

A kind of five arm olfactometers that the utility model proposes to the cardinal principle insect; It has initiated five arm configurations of under bottom central is installed, managing arm and four side pipe arms formation equidistance; And be divided into four impartial relatively independent test zones of symmetry by circular-arc dividing plate; Can in positive square casing, form the different odor stream that converges to central authorities from four limits; Make insect discern the smell and the source of the gas that crawls toward freely with the sense of smell habit, have smell stream smooth and easy evenly, flow to stable not taint of odour, source of the gas directive property is easy to insect identification, high with the conventional efficient accurately and reliably outstanding advantage of test by force.

Description of drawings:

Fig. 1 is the structural representation of the utility model, and accompanying drawing also makes an abstract.

Fig. 2 is A-A view of Fig. 1, is illustrated in the structural representation that positive square casing inner route clapboard is divided into the test zone of four symmetry equalizations.

Description of symbols in the accompanying drawing: 1 is hinge, and 2 is left side pipe arm, and 3 is glass-tube, and 4 is rubber stopper, and 5 is volatile medicine; 6 is operating desk, and 7 is arrow, and 8 are the adapter of bleeding, and 9 is closing cock, and 10 for managing arm down; 11 is base plate, and 12 is right pipe arm, and 13 are handle, and 14 is cover plate, and 15 is ventilating cover; 16 is side plate, and 17 is dividing plate, and 18 is back pipe arm, and 19 is test zone, and 20 is preceding pipe arm.

Embodiment:

Further describe the embodiment of the utility model below in conjunction with accompanying drawing:

A kind of five arm olfactometers that the utility model proposes to the cardinal principle insect; It mainly constitutes positive square casing by four side plates of processing with wood materials 16, base plate 11 with the cover plate 14 that clear glass is processed; The interior empty length of side of casing is 80cm, highly for 15cm; At the middle position of four side plates 16 left side pipe arm 2 that internal diameter is 4cm, right pipe arm 12, preceding pipe arm 20, back pipe arm 18 are installed respectively; At base plate 11 middle positions install to supply the to bleed following pipe arm 10 of usefulness; And pipe arm 10 is equated respectively with the distance of left side pipe arm 2, right pipe arm 12, preceding pipe arm 20, back pipe arm 18; Be fitted with identical circular arc dividing plate 17 in the position, four case angles of positive square casing respectively and be divided into four test zones 19 that symmetry is impartial, be fitted with ventilating cover 15, can prevent effectively that cardinal principle insect to be tested from falling into down in the pipe arm 10 on the top of managing arm 10 down; Said cover plate 14 is to be fitted to the outside apical position of side plate 16 and handle 13 is installed on cover plate 14 by hinge 1, is convenient to open or close the operation of cover plate 14 especially.It is to carry out the sense of smell test experiments as follows: the five arm olfactometers that at first the utility model proposed are placed on the operating desk 6; The exhaust tube of air sampler is directly connected in down pipe arm 10; Can in arm 2, right pipe arm 12, preceding pipe arm 20, back pipe arm 18 managed in a left side, shelve different volatile medicines to be tested 5 or inhale the filter paper that volatile medicine is arranged; And airtight with the rubber stopper that is inserted with glass-tube 34, connect the electric former startup air sampler 1min that bleeds, more an amount of cardinal principle insect to be tested is put into positive square casing middle position; Also can in the test zone 19 of every side, put into the cardinal principle insect to be tested of equivalent respectively; Cover the cover plate 14 sealing continued 30min that bleeds then, can the smell suction of different volatile medicines 5 be converged to positive square casing central authorities, as shown in arrow 7; Again through ventilating cover 15, manage arm 10 down and discharge; In positive square casing, will form four strands of different smell streams that converge continually to central authorities from four sides, the quantity of checking the cardinal principle insect of four lateral location that crawl toward after stopping to bleed again respectively, what can judge its sense of smell hobby perceptibility by quantity.For example: when the cyrtotrachelus bugueti guer insect of big individuality is carried out the sense of smell test experiments: take over 8 closing cock 9 jam-packs pipe arm 10 mouths of pipe down with being inserted with to bleed earlier; Exhaust tube with air sampler is connected in the 1min that bleeds in the adapter 8 of bleeding again; An amount of cyrtotrachelus bugueti guer insect is put into positive square casing middle position; In left side pipe arm 2, right pipe arm 12, preceding pipe arm 20, back pipe arm 18, shelve volatile medicines 5 such as the benzaldehyde similar, phenylacetaldehyde, phenol, phenolic resins respectively with cizu class volatilization smell; Covering cover plate 14 continues to bleed behind the 30min; Through observing: the cyrtotrachelus bugueti guer quantity of shelving benzaldehyde one side of crawling toward is maximum, assert that promptly benzaldehyde is the smell habit that its sense of smell is liked most.We open for foundation development according to this experiment and have produced a kind of special attractant product to cyrtotrachelus bugueti guer, and the test of cyrtotrachelus bugueti guer insect is controlled and killed on scale ground in the bamboo grove producing region, has just obtained splendid effect.

Obviously; The foregoing description only is one of the embodiment that can realize the utility model technical scheme; The utility model scope required for protection does not receive the restriction of present embodiment, also comprises other embodiment that can be made a variation according to the present technique scheme by those of ordinary skill in the art.

Claims (6)

1. one kind is directed against the five arm olfactometers of insect substantially; It is the positive square casing that is made up of four side plates (16), base plate (11) and cover plate (14); It is characterized in that: left side pipe arm (2), right pipe arm (12), preceding pipe arm (20), back pipe arm (18) are installed respectively at the middle position of four side plates (16); Pipe arm (10) under the middle position of base plate (11) is installed is fitted with ventilating cover (15) on the top of managing arm (10) down.

2. five arm olfactometers to the cardinal principle insect according to claim 1 is characterized in that: in said positive square casing, be fitted with one group of dividing plate (17).

3. five arm olfactometers to the cardinal principle insect according to claim 2; It is characterized in that: said one group of dividing plate (17) is four identical circular arc plate like structures, and the position, case angle that four dividing plates (17) are fitted to positive square casing respectively constitutes the symmetrical structure of evenly separating.

4. according to claim 1 and 2 to five arm olfactometers of insect substantially, it is characterized in that: said cover plate (14) is fitted to the outside apical position of a side plate (16) by hinge (1), and handle (13) is installed on cover plate (14).

5. five arm olfactometers to the cardinal principle insect according to claim 1 and 2, it is characterized in that: the interior empty length of side of said positive square casing is controlled to be 60 ~ 100cm, highly is 10 ~ 20cm.

6. five arm olfactometers to the cardinal principle insect according to claim 1 and 2 is characterized in that: four side plates (16), the base plate (11) of positive square casing is to adopt wood materials to process, and cover plate (14) is to adopt clear glass to process.

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