CN102986600A - Method for biologically preventing and controlling micromelalopha troglodyte by using tetrastichus nigricoxae yang - Google Patents
Method for biologically preventing and controlling micromelalopha troglodyte by using tetrastichus nigricoxae yang Download PDFInfo
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Abstract
The invention discloses a method for biologically preventing and controlling micromelalopha troglodyte by using tetrastichus nigricoxae yang and belongs to the technical field of forest conservation and biological prevention and control. The method comprises the following technical steps of (1) collecting and preserving bees; (2) selecting and preserving substitutive hosts; (3) breeding the tetrastichus nigricoxae yang; (4) rejuvenating the bees; (5) releasing the tetrastichus nigricoxae yang; and (6) continuously controlling the micromelalopha troglodyte. The method is simple and convenient to operate and efficient in system, excellent bred bees are selected to substitute the hosts, the technical problem of artificial scale bee breeding is solved, an appropriate bee releasing technology is researched, and the preventing and controlling effect is remarkable. The bees are ordinarily released for three times in a low micromelalopha troglodyte population period to prevent and control a next generation of micromelalopha troglodyte pupas, injurious insects can be basically controlled, and a full-year disaster-free and insect-existing control target is achieved.
Description
Technical field
The present invention relates to the black base of a kind of white moth and nibble the method for chalcid fly biological control poplar bateau moth; belonging to forest protection biological prevention field, more specifically is that a kind of black base of the white moth of parasitic enemy insect that utilizes easy and simple to handle, system high efficiency is nibbled the new method that chalcid fly prevents and treats forestry pest.
Background technology
The present natural enemy insect of China reaches biological control and discharges the oophagous trichogrammae that only has that utilizes; the swollen leg honeybee of Guan Shi and Siphonophora; but these natural enemy insects are mainly used in pest control ovum and larva; and mostly be used for agricultural insect management; it is the patent of invention of CN1511450A that the successful parasitic wasp that is used for insect control in pupa time only has the patent No.; it discloses a kind of method of utilizing tussah chrysalis breeding Chouioia cunea (Chouioia cuneaYang) biological control fall webworm; but it is relatively poor that this parasitic wasp is used for the parasitic effects of control Yang Xiaozhou moth; main cause is that the black base of this honeybee and white moth of the present invention is nibbled chalcid fly and belonged to the not sibling species of Tetrastichinae in classification, and both individual morphology and parasitic performance differ greatly.Simultaneously; utilizing the black base of white moth to nibble chalcid fly biological control poplar bateau moth is a systems technology that comprises the collection of good species honeybee, the screening of the numerous honeybee Hosts of scale, preservation, breeding, rejuvenation and a plurality of technology essential factors such as release control and Sustainable Control, and present domestic poplar bateau moth control there is no this technology.
Summary of the invention
The invention provides the black base of a kind of white moth and nibble chalcid fly control Yang Xiaozhou moth method, mainly is to utilize a kind of natural enemy insect novel species---the black base of white moth is nibbled chalcid fly (Tetrastichus nigricoxae Yang) control China Poplar Plantation important pests poplar bateau moth.
For achieving the above object, the present invention realizes with following technical scheme: the black base of a kind of white moth is nibbled the technology of chalcid fly biological control poplar bateau moth, may further comprise the steps:
(1) collection of honeybee kind and preservation;
(2) selection of artificial breeding honeybee Hosts and preservation;
(3) the black base of white moth is nibbled the large scale artificial breeding of chalcid fly;
(4) rejuvenation of honeybee kind;
(5) the black base of white moth is nibbled the release of chalcid fly;
(6) Sustainable Control;
The collection of described honeybee kind and preservation are to gather in the Yang Xiaozhou chrysalis phase, and preserve under-5 ℃ of conditions;
The selection of described Hosts comprises one or more in tussah, silkworm, fall webworm, willow moth and the poplar caterpillar, and preservation condition is-5 ℃~5 ℃.In the preferred tussah of the selection of Hosts, silkworm and the fall webworm one or more.
The large scale artificial breeding that the black base of described white moth is nibbled chalcid fly adopts dactylethrae or plastic jar breeding bee method or open breeding method, every pupa connects honeybee quantity, and to look the Individual Size of Hosts kind and pupa different and do not wait, every pupa connects 3~100 of honeybees, go out rear 2 days queen bee with " emergence " and connect honeybee, to be put into insulating box by the Host Pupae of chalcid fly parasitism after 2~3 days or the greenhouse is cultivated, adopting effective accumulated temperature is 379.00 ± 8.77 day degrees, humidity is that about 75% condition is bred, and guarantees to go out honeybee on time and is used for control;
The rejuvenation of described honeybee kind is to carry out after 4~5 generations at indoor artificial propagation, pupate the Sheng phase in the 2nd~4 generation of Yang Xiaozhou moth, the fresh pupa of Yang Xiaozhou moth is put into wide-mouth bottle, being hung on woodland regained afterwards raising in 6~7 days or covers poplar-branch with gauze, interior input bull poplar bateau moth larvae, treat that it pupates, fetch raising after the black base of the white moth of occurring in nature is nibbled these pupas of chalcid fly ovipositing hosts; Perhaps surviving the winter in annual Yang Xiaozhou moth gathers the Yang Xiaozhou moth pupa of surviving the winter pupa time in not putting then the honeybee standing forest, carry out the indoor or open-air preservation of surviving the winter, and gets the chalcid fly that wherein sprouts wings next year and makes the then honeybee kind of numerous honeybee;
The release that the black base of described white moth is nibbled chalcid fly is to carry out pupa time in survive the winter pupa and the second generation of Yang Xiaozhou moth, puts honeybee the pupa time of surviving the winter one time, every hm
2The forest land discharges the numerous chalcid fly that goes out of 30 pieces of tussah chrysalis institute, and the second generation is put the secondary honeybee pupa time, is to pupate the initial stage the Yang Xiaozhou moth for the first time, and after putting honeybee for the first time 4~5 days second time, the Sheng of namely the pupating phase carries out, every hm
2The each burst size in forest land is 45 pieces of tussah chrysalis; Select the fine day of temperature more than 25 ℃ when putting honeybee, honeybee is put in one day 10~16 o'clock; The tussah chrysalis that honeybee of will soon sprouting wings when putting honeybee is bundled into paper bag with ground paper, is fixed on the trunk, allows little bee eclosion and goes out, seek host's ovipositing hosts, with directly will the manage or bottle be placed on butt of dactylethrae or wide-mouth bottle breeding, unplug tampon, allow chalcid fly fly out voluntarily, reclaim at last for subsequent use;
Described Sustainable Control refers in the most of areas of China, in five generations, occured in 1 year in the Yang Xiaozhou moth, annual is that overwinter generation and the second generation are put honeybee three times in the low insect population phase of Yang Xiaozhou moth, prevent and treat two generation Yang Xiaozhou chrysalis, the performance parasitic wasp is to the effect of insect nature Sustainable Control, third and fourth generation harm of energy basic controlling insect in summer realizes that have worm without the prevention target of calamity the whole year.
Advantage of the present invention is: easy and simple to handle, efficient system filters out outstanding numerous honeybee Hosts, has solved the technical barrier of artificial a large amount of numerous honeybees, has worked out the suitable bee technology of putting, and Yang Xiaozhou moth parasitic effects is remarkable.Practice shows, as long as conscientiously grasp is put the honeybee phase, put honeybee number of times and enough honeybee amounts of putting, replenishes woodland natural enemy population quantity in the low insect population phase, and the performance natural enemy continues parasitization, but general basic controlling pest damage in summer.
Description of drawings
Fig. 1 is that the black base of white moth is nibbled the function relation curve figure of chalcid fly development duration (theoretical value) and temperature
Embodiment
Further specify method of the present invention and effect below in conjunction with embodiment.
(1) collection of honeybee kind and preservation: survive the winter pupa time the Yang Xiaozhou moth, gather the Yang Xiaozhou chrysalis and raise, to obtain the honeybee kind.Feature by the Yang Xiaozhou chrysalis of chalcid fly parasitism is: pupa lighter weight, color are deeply dark, tarnish; Intersegmental membrane elongates, and can not bounce back; Puparium is thinner, and is frangible.Pick out by parasitic pupa from the Yang Xiaozhou chrysalis that gathers according to above-mentioned feature and to raise, can bring out the one-tenth honeybee that the black base of white moth is nibbled chalcid fly.The Yang Xiaozhou chrysalis that contains the chalcid fly mature larva that gather winter preserves under-5 ℃ of conditions.Taking-up places under indoor 25 ℃ of left and right sides room temperatures before numerous honeybee, treats its emergence.
(2) selection of artificial breeding honeybee Hosts and preservation: with time-consuming the taking a lot of work of the numerous honeybee of Yang Xiaozhou chrysalis, and bee yield is little, can not satisfy a large amount of needs that control is produced.The Hosts that testing sieve is selected the artificial breeding honeybee is three kinds of tussah, silkworm and fall webworm, and wherein using overwinter generation tussah chrysalis and silkworm pupa is Hosts, and cheap because it is drawn materials easily, the chalcid fly amount that breeds is large, and stalwartness is very economical; Utilize in addition the numerous honeybee of fall webworm pupa to turn bane into boon, because it is the very important quarantine pest of China, can when control, nibble chalcid fly for breeding the black base of white moth by the artificial fall webworm pupa that gathers.Tussah cocoon and Cocoon are after preserving 360 days under-5 ℃~5 ℃ conditions, the black base of white moth is nibbled still normal parasitized breeding of chalcid fly.
(3) the black base of white moth is nibbled the large scale artificial breeding of chalcid fly: the artificial breeding honeybee is adopted dactylethrae or plastic jar breeding bee method and open breeding method, go out rear 2 days queen bee with " emergence " and connect honeybee, will be put into insulating box by the Host Pupae of chalcid fly parasitism after 2~3 days or the greenhouse is cultivated.Every pupa connects honeybee quantity, and to look the Individual Size of Hosts kind and pupa different and do not wait, and during with the numerous honeybee of Yang Xiaozhou chrysalis, every pupa connects 3~4 of honeybees, and silkworm pupa connects 20 of honeybees, and tussah chrysalis connects 100 of honeybees.It is Hosts that artificial a large amount of numerous honeybees are chosen tussah chrysalis, at first tussah cocoon is taken out from refrigerating chamber, shells cocoon, and selects healthy and strong fresh pupa for numerous honeybee according to the cranium buttocks plate color of pupa.During the numerous honeybee of plastic jar 2~3 Substitute Host Pupaes are put into pipe, then honeybee is planted in access, and tampon gets final product beyond the Great Wall.Open numerous honeybee is a plurality of Substitute Host Pupaes to be concentrated be placed in the larger closed box, and access honeybee kind places numerous honeybee chamber to get final product.
The Time Calculation that the control of temperature is pupated according to distance Yang Xiaozhou moth, through our research, the threshold of development that the black base of white moth is nibbled chalcid fly is 7.87 ± 0.54 ℃, effective accumulated temperature is 379.00 ± 8.77 day degrees, temperature required when available life calculates numerous honeybee apart from method, also can utilize the function relation curve figure of chalcid fly development duration (theoretical value) that we make according to research institute and temperature to determine (Fig. 1).When utilizing this curve map, according to putting the honeybee control time (fate, i.e. apparition Yang Xiaozhou chrysalis phase), draw a straight line arrival curve from ordinate, the temperature that temperature value corresponding to curve below should adopt when being the artificial breeding honeybee.
Indoor humidity general control during the artificial breeding honeybee is about 75%, and breeding effect is good.
(4) rejuvenation of honeybee kind: carry out after 4~5 generations at indoor artificial propagation, otherwise can cause the honeybee kind to degenerate, thereby directly affect chalcid fly quality and the control effect in forest that breeds.Adopt two kinds of methods to carry out the rejuvenation of honeybee kind: the one, pupate the Sheng phase in the 2nd~4 generation of Yang Xiaozhou moth, the fresh pupa of Yang Xiaozhou moth is put into wide-mouth bottle, being hung on woodland regained afterwards raising in 6~7 days or covers poplar-branch with gauze, interior input bull poplar bateau moth larvae, treat that it pupates, fetch raising after the black base of the white moth of occurring in nature is nibbled these pupas of chalcid fly ovipositing hosts; The 2nd, surviving the winter in annual Yang Xiaozhou moth gathers the Yang Xiaozhou moth pupa of surviving the winter pupa time in not putting then the honeybee standing forest, carry out the indoor or open-air preservation of surviving the winter, and gets the chalcid fly that wherein sprouts wings next year and makes the then honeybee kind of numerous honeybee.Evidence, these two kinds of methods are all very successful.
(5) the black base of white moth is nibbled the release of chalcid fly: carry out pupa time in survive the winter pupa time and the second generation of Yang Xiaozhou moth, put honeybee the pupa time of surviving the winter one time, every hm
2The forest land discharges the numerous chalcid fly that goes out of 30 pieces of tussah chrysalis institute, and the second generation is put the secondary honeybee pupa time, is to pupate the initial stage the Yang Xiaozhou moth for the first time, after putting honeybee for the first time 4~5 days second time, every hm
2The each burst size in forest land is 45 pieces of tussah chrysalis.Select the fine day of temperature more than 25 ℃ when putting honeybee, honeybee is put in one day 10~16 o'clock.The tussah chrysalis that honeybee of will soon sprouting wings when putting honeybee is bundled into the triangle paper bag with brown paper,, allows little bee eclosion and goes out on trunk with drawing pin nail, seek host's ovipositing hosts, can directly pipe be placed on butt with what dactylethrae or wide-mouth bottle were bred, unplug tampon, allow chalcid fly fly out.
(6) Sustainable Control technology: put honeybee three times in the low insect population phase of annual Yang Xiaozhou moth (overwinter generation and the second generation), prevent and treat two generation Yang Xiaozhou chrysalis, the performance parasitic wasp continues parasitization naturally to insect.
Carry out the numerous honeybee of indoors artificial take the Yang Xiaozhou chrysalis as the host, Host Pupae reached 75~85% by parasitic rate, every pupa bee yield reaches 75~120; Parasitic rate take silkworm pupa as the host is about 80%, and bee yield is 200~300; Parasitic rate take tussah chrysalis as the host is 70~80%, and bee yield is 2000~3000.Put three controls of honeybee, two generation Yang Xiaozhou chrysalis in the low insect population phase of annual Yang Xiaozhou moth at woodland, chalcid fly up to 36.2%, is up to 42.7% to the mean parasitized rate of the pupa of surviving the winter after discharging; The mean parasitized rate of second generation pupa up to 41.7%, is up to 48.0%, comprises that average total parasitic rate of other natural enemy reaches 48.1%, be up to 57.1%.Discharge the control evidence, the black base of white moth is nibbled chalcid fly the Yang Xiaozhou chrysalis is had preferably control efficiency, but puts the harm of honeybee district basic controlling third and fourth insect in summer, and realization is annual to have worm without the control target of calamity.
Claims (2)
1. a white moth is deceived the method that base is nibbled chalcid fly biological control poplar bateau moth, it is characterized in that may further comprise the steps:
(1) collection of honeybee kind and preservation;
(2) selection of artificial breeding honeybee Hosts and preservation;
(3) the black base of white moth is nibbled the large scale artificial breeding of chalcid fly;
(4) rejuvenation of honeybee kind;
(5) the black base of white moth is nibbled the release of chalcid fly;
(6) Sustainable Control;
The collection of described honeybee kind and preservation are to gather in the Yang Xiaozhou chrysalis phase, and preserve under-5 ℃ of conditions;
The selection of described Hosts comprises one or more in tussah, silkworm, fall webworm, willow moth and the poplar caterpillar, and preservation condition is-5 ℃~5 ℃;
The large scale artificial breeding that the black base of described white moth is nibbled chalcid fly adopts dactylethrae or plastic jar breeding bee method or open breeding method, every pupa connects honeybee quantity, and to look the Individual Size of Hosts kind and pupa different and do not wait, every pupa connects 3~100 of honeybees, go out rear 2 days queen bee with " emergence " and connect honeybee, to be put into insulating box by the Host Pupae of chalcid fly parasitism after 2~3 days or the greenhouse is cultivated, adopting effective accumulated temperature is 379.00 ± 8.77 day degrees, humidity is that about 75% condition is bred, and guarantees to go out honeybee on time and is used for control;
The rejuvenation of described honeybee kind is to carry out after 4~5 generations at indoor artificial propagation, pupate the Sheng phase in the 2nd~4 generation of Yang Xiaozhou moth, the fresh pupa of Yang Xiaozhou moth is put into wide-mouth bottle, being hung on woodland regained afterwards raising in 6~7 days or covers poplar-branch with gauze, interior input bull poplar bateau moth larvae, treat that it pupates, fetch raising after the black base of the white moth of occurring in nature is nibbled these pupas of chalcid fly ovipositing hosts; Perhaps surviving the winter in annual Yang Xiaozhou moth gathers the Yang Xiaozhou moth pupa of surviving the winter pupa time in not putting then the honeybee standing forest, carry out the indoor or open-air preservation of surviving the winter, and gets the chalcid fly that wherein sprouts wings next year and makes the then honeybee kind of numerous honeybee;
The release that the black base of described white moth is nibbled chalcid fly is to carry out pupa time in survive the winter pupa and the second generation of Yang Xiaozhou moth, puts honeybee the pupa time of surviving the winter one time, every hm
2The forest land discharges the numerous chalcid fly that goes out of 30 pieces of tussah chrysalis institute, and the second generation is put the secondary honeybee pupa time, is to pupate the initial stage the Yang Xiaozhou moth for the first time, and after putting honeybee for the first time 4~5 days second time, the Sheng of namely the pupating phase carries out, every hm
2The each burst size in forest land is 45 pieces of tussah chrysalis; Select the fine day of temperature more than 25 ℃ when putting honeybee, honeybee is put in one day 10~16 o'clock; The tussah chrysalis that honeybee of will soon sprouting wings when putting honeybee is bundled into paper bag with ground paper, is fixed on the trunk, allows little bee eclosion and goes out, seek host's ovipositing hosts, with directly will the manage or bottle be placed on butt of dactylethrae or wide-mouth bottle breeding, unplug tampon, allow chalcid fly fly out voluntarily, reclaim at last for subsequent use;
Described Sustainable Control refers to that in the most of areas of China five generations occured the Yang Xiaozhou moth in 1 year, and annual is that overwinter generation and the second generation are put honeybee three times in the low insect population phase of Yang Xiaozhou moth, prevents and treats two generation Yang Xiaozhou chrysalis, and the performance parasitic wasp is to the effect of insect nature Sustainable Control.
2. the black base of white moth according to claim 1 is nibbled the method for chalcid fly biological control poplar bateau moth, it is characterized in that: one or more in the preferred tussah of the selection of described Hosts, silkworm and the fall webworm.
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