CN110024749A - A kind of tiny golden wasp woodland child care device and nursing method - Google Patents

A kind of tiny golden wasp woodland child care device and nursing method Download PDF

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Publication number
CN110024749A
CN110024749A CN201910289301.3A CN201910289301A CN110024749A CN 110024749 A CN110024749 A CN 110024749A CN 201910289301 A CN201910289301 A CN 201910289301A CN 110024749 A CN110024749 A CN 110024749A
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child care
tiny golden
golden wasp
woodland
cage body
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CN110024749B (en
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展茂魁
赵斌
陈华
司徒春南
方维业
杜文先
杨朝应
孙亚茹
王淑君
路纪芳
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ZUNYI CITY INSTITUTE OF FORESTRY SCIENCES
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ZUNYI CITY INSTITUTE OF FORESTRY SCIENCES
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K67/00Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
    • A01K67/033Rearing or breeding invertebrates; New breeds of invertebrates

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Catching Or Destruction (AREA)

Abstract

The present invention relates to a kind of tiny golden wasp woodland child care device, including rain cover, cage body and child care platform, cage body is cylinder-like structure, and cage body top nozzle is connect with rain cover, the diameter of cage body cross section is less than the diameter of rain cover;Child care platform is the cone-shaped structure for being provided with baffle, is set in cage body, and child care platform bottom margin and cage body lower edge form closing structure, and baffle has spiral to set up along cone-shaped structure periphery;The invention also discloses the methods for using above-mentioned apparatus child care tiny golden wasp.Woodland child care device height of the invention is suitble to the breeding of tiny golden wasp and parasitic growth course under woodland natural conditions, it can prevent the tiny golden wasp host especially Neodiprion huizeensis adult to sprout wings from flying out Oviposition, and it is able to achieve the woodland child care for sawfly Zhi maos of Hezhang tiny golden wasp, to realize the breeding of the woodland natural enemy of Neodiprion huizeensis.

Description

A kind of tiny golden wasp woodland child care device and nursing method
Technical field
The present invention relates to biological control of insect pests technical fields, and in particular to a kind of tiny golden wasp woodland child care device and child care side Method.
Background technique
Neodiprion Neodiprion is distributed mainly in Nearctic, including North America diprionidae harmful kind most of Class and more palearctic kind.The category is currently known 6 kinds in China, and host is Pinus and Picea.And Neodiprion huizeensis is made Huashan pine and the common Cure of Main Leaves-eaten Pests of pinus yunnanensis for hymenoptera, symphyta diprionidae, mainly edible Huashan pine and Pinus yunnanensis pine needle causes the whole strain of forest or full wafer dead to influence light and the effect of forest when serious.The worm was Guizhou 1 year Occurred for 2 generations, mainly the soil layer with pupa around tree crown, under stone and litter is cocoond overwintering, stage of first larvae is April The first tenday period of a month to early July, 6 age of age;Second generation larval phase is late July to early September, and the part time can continue until October.It should Worm has burst, is often gathered on pine tree branch and is caused harm with larva bulk, can eat up training in the short time, when aggrieved serious Edible all pine needles of light, far see it is a piece of withered and yellow, just as baked wheaten cake.Not the features such as not having germination by repetition needle because of Huashan pine and take out the tip, And without leaf sheath, when by 90% or more feeding to will lead to whole strain withered for needle.Neodiprion huizeensis is in Guizhou within the border about in nineteen ninety In the peaceful first discovery of prestige, by the Spreading and diffusion of many decades, occurring area and degree are gradually increased.It is sent out in view of Neodiprion huizeensis The landform in raw forest zone has complexity and inconvenience, therefore prevents for how Neodiprion huizeensis carries out nuisanceless, low-risk Control one of the hot spot as the currently ecological forest afforested area Harmful preventing and controlling based on Huashan pine and pinus yunnanensis.
Applicant is in the studying for a long period of time of Neodiprion huizeensis biological control, unexpectedly in Neodiprion huizeensis pupa It was found that a kind of important parasitic enemy insect: sawfly Zhi maos of Hezhang tiny golden wasp (Piliferocallus hezhangensis Yang et Zhan,sp.n.).The long 1.5-2.0mm of the bee body, the metallic luster of all bottle green band gold, but belly back side are dark purple Color, compound eye dark reddish purple color;Feeler scapus yellow, pedicel is light brown, socket and clavus dark brown;Each foot base pitch yellow-white, trochanter, knee For white, sufficient rest part is light brown;Wing is transparent, and fore wing vein is light brown, and fore wing has 4 dark brown spots;1 under precosta Side, 1 below mole arteries and veins, in addition 2 lower section of opium color spot and foreign sides below kidney-shaped mole arteries and veins respectively.Applicant passes through It studies for a long period of time, has to the biological characteristics of the sawfly Zhi maos of tiny golden wasp in Hezhang and understand in depth, and explore on this basis artificial Mating system makes it possible using sawfly Zhi maos of Hezhang tiny golden wasp prevention and treatment Neodiprion huizeensis.But it is directed to Hezhang leaf at present Artificial nursing method and relevant unit of Zhi maos of tiny golden wasps of bee etc. are there is not yet document report.
Summary of the invention
The purpose of the present invention is to provide a kind of tiny golden wasp woodland child care devices, to solve in the prior art without for conspicuous The woodland child care device of Zhi maos of tiny golden wasps of chapter sawfly, and using aforementioned device realize sawfly Zhi maos of woodland child care Hezhang tiny golden wasp with Prevent and treat Neodiprion huizeensis.
To achieve the above object, the technical solution of the present invention is as follows: a kind of tiny golden wasp woodland child care device, including rain cover, Cage body and child care platform, the cage body are cylinder-like structure, and cage body top nozzle is connect with rain cover, the diameter of cage body cross section is small In the diameter of rain cover;The child care platform is the cone-shaped structure for being provided with baffle, is set in cage body, child care platform bottom margin Closing structure is formed with cage body lower edge, baffle has spiral to set up along cone-shaped structure periphery;
Further, rain cover is airtight, fluid-tight material;
Further, the cage body surrounds for wire mesh;
Still further, the mesh diameter range of wire mesh is 2mm-3.5mm, i.e. 2mm≤mesh diameter≤3.5mm;
Further, the conical surface intersection along baffle and cone-shaped structure is provided with permeable hole;
Still further, the permeable hole is to be equally spaced;
Still further, diameter≤2mm of the permeable hole;
Further, the rain cover inner upper is provided with feed table;
Further, the conical surface angular range of the baffle and cone-shaped structure is 30-180 °;
Still further, the conical surface angular range of the baffle and cone-shaped structure is 30-150 °;
Further, the rain cover top is provided with hook, and the opening of hook is provided with inside intermediate plate;
Still further, intermediate plate length is greater than the length of the opening of hook;
Still further, intermediate plate is made of flexible material.
The present invention also provides a kind of nursing method of tiny golden wasp using tiny golden wasp woodland child care device as described above, Specific step is as follows:
1) host of tiny golden wasp is uniformly placed along the baffle of child care platform;
2) tiny golden wasp queen bee is introduced in cage body to lay eggs;
3) feed is placed in cage body when tiny golden wasp sprouts wings to search for food for tiny golden wasp;
Further, the host of the tiny golden wasp is the cocoon of Neodiprion huizeensis;
Further, the tiny golden wasp is Zhi maos of tiny golden wasps of Hezhang sawfly;
Further, the feed of the tiny golden wasp is the hydromel of 5-10% (weight percent);
Still further, also containing the leucine of 1-3% in the hydromel of the 5-10%.
The present invention has the advantage that
1) woodland child care device of the invention flies after capable of preventing host's (especially Neodiprion huizeensis) of tiny golden wasp from sprouting wings Oviposition out is able to achieve the woodland child care for sawfly Zhi maos of Hezhang tiny golden wasp, it is ensured that tiny golden wasp has sufficient host and plumage It can fly out after change, to realize the breeding of the woodland natural enemy of Neodiprion huizeensis;
2) woodland child care device height of the invention is suitble to the breeding of tiny golden wasp and parasitism under woodland natural conditions to develop Journey can prevent the animal damages such as Shrew Murinus, mouse, and rain can be effectively reduced by the setting of rain cover, helical baffle and permeable hole Influence of the water to tiny golden wasp.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tiny golden wasp woodland child care device of the invention;
Fig. 2 is the schematic diagram of the section structure of tiny golden wasp woodland child care device of the invention;
Fig. 3 is the top view of the child care platform of tiny golden wasp woodland child care device of the invention.
Detailed description of the invention: 1- rain cover, 2- cage body, 3- child care platform, 31- baffle, 32- permeable hole, 4- hook, 41- intermediate plate.
Specific embodiment
As shown in Figure 1-3, a kind of tiny golden wasp woodland child care device, including rain cover 1, cage body 2 and child care platform 3, the cage Body 2 is cylinder-like structure, and 2 top nozzle of cage body is connect with rain cover 1, the diameter of cage body cross section is less than the diameter of rain cover; The child care platform 3 is to be provided with the cone-shaped structure of baffle 31, be set in cage body 2,3 bottom margin of child care platform and cage body lower part Edge forms closing structure, and baffle 31 has spiral to set up along cone-shaped structure periphery, left or right rotation;The circle of cage body Tubular structure can have bottom or bottomless, and child care platform is placed on cage body bottom in situation with the end, in the case where bottomless Child care platform bottom margin and cage body lower edge need to be closed to prevent Neodiprion huizeensis adult from flying out Oviposition, can pass through The modes such as buckle, bonding or rope bolt realize connection;For cage body in addition to that can be cylinder-like structure, it be rectangular for being also possible to cross section The structure of shape, square, polygon;
Further, rain cover 1 is airtight, fluid-tight material;It is specifically as follows glass, metal or PVC material;
Further, the cage body 2 surrounds for wire mesh;It is specifically as follows steel wire;
Still further, the mesh diameter range of wire mesh is 2mm-3.5mm, i.e. 2mm≤mesh diameter≤3.5mm; Under the mesh diameter, the Neodiprion huizeensis adult of emergence can not fly out Oviposition, while be able to achieve tiny golden wasp emergence again After can fly out;
Further, the conical surface intersection along baffle 31 and cone-shaped structure is provided with permeable hole 32;It can be utmostly Rainwater etc. is reduced to the immersion effect of the cocoon especially Neodiprion huizeensis cocoon of tiny golden wasp host;
Still further, the permeable hole 32 is to be equally spaced;Water can flow down along helical baffle, can also be at permeable hole Outflow;
Still further, diameter≤2mm of the permeable hole 32;The permeable bore dia makes the cocoon of tiny golden wasp host especially It is that the cocoon of Neodiprion huizeensis will not be gone out by water from permeable hole;
Further, 1 inner upper of rain cover is provided with feed table;
Further, the conical surface angular range of the baffle 31 and cone-shaped structure is 30-180 °;
Still further, the conical surface angular range of the baffle 31 and cone-shaped structure is 30-150 °;
Further, 1 top of rain cover is provided with hook 4, and the opening for linking up with 4 is provided with inside intermediate plate 41; The tiny golden wasp woodland child care device that suspension can be prevented to be arranged is not easy to be blown off
Still further, 41 length of intermediate plate is greater than the length of the opening of hook;
Still further, intermediate plate is made of flexible material;Specifically can be consistent with hook, using metal or flexible Plastics be made.
The present invention also provides a kind of nursing method of tiny golden wasp using tiny golden wasp woodland child care device as described above, Specific step is as follows:
1) host of tiny golden wasp is uniformly placed along the baffle of child care platform;
2) tiny golden wasp queen bee is introduced in cage body to lay eggs;
3) feed is placed in cage body when tiny golden wasp sprouts wings to search for food for tiny golden wasp;
Further, the host of the tiny golden wasp is the cocoon of Neodiprion huizeensis;The tiny golden wasp is Zhi maos of Hezhang sawfly Tiny golden wasp;
Further, the feed of the tiny golden wasp is the hydromel of 5-10% (weight percent), for the tiny golden wasp of emergence Nectar source is provided;
Still further, emergence can be also effectively improved containing the leucine of 1-3% in the hydromel of the 5-10% The service life of tiny golden wasp;It selects 15 tiny golden wasp woodland child care devices and is one group by every five, control group, 5% bee is respectively set Mulse (10g) group, 5% hydromel (10g) group added with 1% leucine introduce in Xiang Shangshu tiny golden wasp woodland child care device With the tiny golden wasp queen bee of age, concrete condition is referring to table 1:
Sawfly Zhi maos of 1 Hezhang of table tiny golden wasp supplement nectar source or additive check experiment
It can be seen that the queen bee service life can be effectively improved by adding nectar source into tiny golden wasp woodland child care device, especially add Effectively the tiny golden wasp queen bee service life can be improved close to 5 times in the case where 5% hydromel containing 1% leucine.
In addition to this, can also the plant that the plantation same period can bloom around above-mentioned apparatus be being placed, such as birch, Chinese chestnut, hazel The nectariferous plants such as son, dry measure used in former times oak, the fruit of Cherokee rose, honeysuckle.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore, These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.

Claims (10)

1. a kind of tiny golden wasp woodland child care device, which is characterized in that including rain cover, cage body and child care platform, the cage body is circle Tubular structure, cage body top nozzle is connect with rain cover, the diameter of cage body cross section is less than the diameter of rain cover;The child care platform To be provided with the cone-shaped structure of baffle, being set in cage body, child care platform bottom margin and cage body lower edge form closure knot Structure, baffle have spiral to set up along cone-shaped structure periphery.
2. tiny golden wasp woodland child care device according to claim 1, which is characterized in that the cage body is enclosed for wire mesh At;Preferably, the mesh diameter range of wire mesh is 2mm-3.5mm.
3. tiny golden wasp woodland child care device according to claim 1, which is characterized in that along the cone of baffle and cone-shaped structure Face intersection is provided with permeable hole;Preferably, the permeable hole is to be equally spaced.
4. tiny golden wasp woodland child care device according to claim 3, which is characterized in that diameter≤2mm of the permeable hole.
5. tiny golden wasp woodland child care device according to claim 1, which is characterized in that the rain cover inner upper setting There is feed table.
6. tiny golden wasp woodland child care device according to claim 1, which is characterized in that the baffle and cone-shaped structure Conical surface angular range is 30-180 °;Preferably, the conical surface angular range of the baffle and cone-shaped structure is 30-150 °.
7. tiny golden wasp woodland child care device according to claim 1, which is characterized in that the rain cover top is provided with extension Hook, the opening of hook are provided with inside intermediate plate;Preferably, intermediate plate length is greater than the length of the opening of hook;Preferably, Intermediate plate is made of flexible material.
8. a kind of nursing method of tiny golden wasp, which is characterized in that using such as the described in any item tiny golden wasp woodlands of claim 1-7 Child care device, the specific steps are as follows:
1) host of tiny golden wasp is uniformly placed along the baffle of child care platform;
2) tiny golden wasp queen bee is introduced in cage body to lay eggs;
3) feed is placed in cage body when tiny golden wasp sprouts wings to search for food for tiny golden wasp.
9. the nursing method of tiny golden wasp according to claim 8, which is characterized in that the host of the tiny golden wasp is that Huize is new The cocoon of pine sawfoy.
10. the nursing method of tiny golden wasp according to claim 8, which is characterized in that the feed of the tiny golden wasp is 5- 10% hydromel.
CN201910289301.3A 2019-04-11 2019-04-11 Nursing method for small hornets Active CN110024749B (en)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0742723A1 (en) * 1993-12-30 1996-11-20 Cell Genesys, Inc. Homologous recombination for universal donor cells and chimeric mammalian hosts
CN1409766A (en) * 1999-12-15 2003-04-09 因普利克斯有限公司 Transgenic insect
CN102630454A (en) * 2012-04-11 2012-08-15 福建省农业科学院植物保护研究所 Integrated prevention and control method for dominant thrips of potted ficus microcarpa
CN103798191A (en) * 2012-11-12 2014-05-21 安徽师范大学 Method for preventing and controlling waxberry orchard fruit flies by using housefly pupas to replace fruit fly pupas for breeding parasitic wasps
CN203735281U (en) * 2014-02-20 2014-07-30 宁波市林特科技推广中心 Simple pachycrepoideus vindemmiae releasing device
CN105557641A (en) * 2015-12-24 2016-05-11 吉林农业大学 Method and device for collecting and conserving habrobracon hebetor
CN106070069A (en) * 2016-06-13 2016-11-09 云南省烟草公司保山市公司 A kind of method breeding aphid parasite and the anti-method eliminated aphis
CN205813303U (en) * 2016-07-25 2016-12-21 云南省烟草公司昭通市公司 A kind of can be effectively improved aphid parasite survival rate put honeybee device
CN206963719U (en) * 2017-06-01 2018-02-06 南平市烟草公司政和分公司 A kind of aphidius gifuensis puts honeybee device
CN108040896A (en) * 2017-12-27 2018-05-18 安徽省田丰牧业科技有限公司 A kind of sheepfold
CN108094337A (en) * 2018-01-29 2018-06-01 贵州省林业科学研究院 The method for posting fly prevention pine tree pest pine sawfoy using mediocre chela is intended
CN210168792U (en) * 2019-04-11 2020-03-24 遵义市林业科学研究所 Golden wasp woodland conservation device

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0742723A1 (en) * 1993-12-30 1996-11-20 Cell Genesys, Inc. Homologous recombination for universal donor cells and chimeric mammalian hosts
CN1409766A (en) * 1999-12-15 2003-04-09 因普利克斯有限公司 Transgenic insect
CN102630454A (en) * 2012-04-11 2012-08-15 福建省农业科学院植物保护研究所 Integrated prevention and control method for dominant thrips of potted ficus microcarpa
CN103798191A (en) * 2012-11-12 2014-05-21 安徽师范大学 Method for preventing and controlling waxberry orchard fruit flies by using housefly pupas to replace fruit fly pupas for breeding parasitic wasps
CN203735281U (en) * 2014-02-20 2014-07-30 宁波市林特科技推广中心 Simple pachycrepoideus vindemmiae releasing device
CN105557641A (en) * 2015-12-24 2016-05-11 吉林农业大学 Method and device for collecting and conserving habrobracon hebetor
CN106070069A (en) * 2016-06-13 2016-11-09 云南省烟草公司保山市公司 A kind of method breeding aphid parasite and the anti-method eliminated aphis
CN205813303U (en) * 2016-07-25 2016-12-21 云南省烟草公司昭通市公司 A kind of can be effectively improved aphid parasite survival rate put honeybee device
CN206963719U (en) * 2017-06-01 2018-02-06 南平市烟草公司政和分公司 A kind of aphidius gifuensis puts honeybee device
CN108040896A (en) * 2017-12-27 2018-05-18 安徽省田丰牧业科技有限公司 A kind of sheepfold
CN108094337A (en) * 2018-01-29 2018-06-01 贵州省林业科学研究院 The method for posting fly prevention pine tree pest pine sawfoy using mediocre chela is intended
CN210168792U (en) * 2019-04-11 2020-03-24 遵义市林业科学研究所 Golden wasp woodland conservation device

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
唐艳龙: "寄主树木、寄主和环境因子对松褐天牛深沟茧蜂寄生率的影响研究", 《林业科学研究》 *
张真: "我国松叶蜂天敌研究", 《昆虫天敌》 *
王浩: "我国松树蜂(膜翅目:树蜂科)天敌调查及寄生性天敌优势种的生物学特性", 《林业科学》 *
赵宗礼: "《养蜂技术指导》", 29 February 1988, 金盾出版社 *

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