CN114304126A - Method for killing solenopsis invicta - Google Patents
Method for killing solenopsis invicta Download PDFInfo
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- CN114304126A CN114304126A CN202110342303.1A CN202110342303A CN114304126A CN 114304126 A CN114304126 A CN 114304126A CN 202110342303 A CN202110342303 A CN 202110342303A CN 114304126 A CN114304126 A CN 114304126A
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Abstract
The invention discloses a method for killing solenopsis invicta, which comprises the following steps: s1, determining the area damaged by the solenopsis invicta with the ground vertically downward; s2, uniformly spreading a raw material taking nitrogen as a main component on the ground, wherein the raw material can generate ammonia gas, and the dosage of the ammonia gas is 0.1-10 jin per square meter; s3, 0.1-10 jin of clean water is applied for the first time; s4, 0.1-30 jin of clean water is discharged for the second time. The invention has the advantages that: no public nuisance, easy operation of the whole process, low cost, environmental protection and remarkable effect.
Description
Technical Field
The invention relates to the technical field of pest control, in particular to a method for killing solenopsis invicta buren.
Background
Solenopsis invicta often causes yield reduction in agriculture, forestry, animal husbandry and the like in the invaded area. The existing control method mainly comprises the following steps: agricultural control, biological control, physical control and chemical control.
The nest hole of the red fire ant is built underground, belongs to one kind of underground insect damage, and is a large enemy for biodiversity protection and agricultural production due to serious ecological disasters of invaded zones. The solenopsis invicta is fed with seeds, roots, fruits and the like of various crops, and the seedlings are damaged, so that the yield is reduced. It damages the irrigation system, reduces work efficiency, attacks livestock, and causes agricultural losses. Solenopsis invicta also has serious effects on wild animals and plants. It can attack eggs of turtles, lizards, birds, etc., and has a negative effect on the density of small mammals and invertebrate communities. Research shows that the ant diversity is low in the area where the red fire ants establish the ant colony.
The mechanism of the red imported fire ants to harm other animals is mainly shown in the following steps:
(1) the solenopsis invicta preys on the newly hatched habitat type oviparous animal individual, because the larva which just exuviates or is gathered together after exuviating does not leave the nest, the activity is weak, the solenopsis invicta preys is very easy to be attacked by the solenopsis invicta, and finally becomes the delicious food of the solenopsis invicta; or prey on insect larvae, adults, etc., with a population strength.
(2) Solenopsis invicta competes with other animals for limited food resources, such as plant foodstuffs with local ant populations, and also competes with those species from which insects are a food source for insect foodstuffs, resulting in reduced or even eliminated populations of other species due to lack of adequate food supply;
(3) the survival rate of some animals is reduced by stings, the habitat is changed, even nests are abandoned for escape, or the probability of predation is increased because of the increased amount of attacked activity.
Meanwhile, the red imported fire ants have the capabilities of attacking and repeatedly stinging human bodies. It affects the health and quality of life of people at the site of intrusion, damages the utility electronics, and causes financial loss in communication, medical treatment, and pest control. Once the ant nest is disturbed, the red fire ants quickly come out of the nest to send out a strong attack behavior. The red fire ants clamp the skin of a person by using the palate, and the tail ends of the abdomens are used for continuously stinging the human body for many times, so that venom is released from the venom sac every time the human body stings. The human body is stinged by the red imported fire ants and feels painful as fire burns, and then blisters as burns appear. Most people only feel pain and uncomfortable, and few people are allergic to toxic protein in the venom, generate anaphylactic shock and have death risk.
The minimum temperature of the heat tolerance of the red imported fire ants is 3.6 ℃, and the maximum temperature is 40.7 ℃. The solenopsis invicta begins to forage when the surface temperature of the soil is above 10 ℃, and can forage uninterruptedly when the soil temperature reaches 19 ℃, and the surface temperature range of the forage soil is 12-51 ℃. When the temperature of the soil 2cm below the surface layer is 15-43 ℃, the worker ants begin to forage, and the maximum forage ratio is 22-36 ℃. Lower temperatures are more likely to limit foraging by red fire ants than higher temperatures. In spring, the average soil temperature (5 cm deep under the surface layer) rises to more than 10 ℃, and the solenopsis invicta begins to lay eggs. Pupation and eclosion of worker and reproductive ants occur at 20 deg.C and 22 deg.C, respectively. 5 ℃ is adopted. The new ant can successfully establish the colony when the soil temperature is 24 ℃. When the soil is wet or dry, the activity is reduced. A drought rain can stimulate the nesting activities of the plants for 2-3 days and increase the foraging activities. The temperature from the soil surface to a depth of 10cm is lower than 18. At 8 ℃, no cross-flying occurs all day. Under the conditions that the temperature is 24-32 ℃ and the relative humidity is 80%, the intersection flight can occur in the morning and in the afternoon. A downwind direction in the invasion area of 89% of the population is newly established. Mating flights typically occur at a clear, warm midday after rain. Once the female breeding ants with wings complete mating, the double wings are broken off from the wing base seam, and a proper place is found to establish a new colony. These sites are typically under rocks or leaves, but may also be in furrows or seams, even at the edges of sidewalks, highways or streets. The queen excavates the tunnel and chamber in the soil and seals the opening to prevent the ingress of predators. The deepest hidden position after the ant is about 1 meter underground. Thus causing the red imported fire ants to breed in large area in south China and to be difficult to kill.
The current prevention methods are:
biological control: since red imported fire ants come from south america, south america and "south america fruit flies" are against each other. This fly is a flea fly. Attack the red fire ants by a parasitic way. After the larvae are hatched, the internal tissues of ants are eaten as food. Meanwhile, the larva can control the body action, namely the action mode, of the solenopsis invicta. The effect is as follows: only ants outside the ant holes can be eroded, the ants are difficult to contact, and the biohazard of releasing fruit flies is very large, so that the crops such as mangoes, litchis, tomatoes and the like can be harvested absolutely.
Physical control:
the method comprises the following steps: the nest tamping method is to use a spade and other tools to destroy the nest of the solenopsis invicta, dig out the nest of the solenopsis invicta completely by digging, and then use the spade to kill the solenopsis invicta. The whole ant nest is destroyed by deep digging. The effect is as follows: one of the methods with poor killing effect of the nest tamping method on the red fire ants is also a commonly used method at present. Because the ant nest is loose and soft, the hardness of the red fire ant is relatively high, and the red fire ant is difficult to be feared. Moreover, the method can irritate the solenopsis invicta, violently attack the harmed personnel, and lead the solenopsis invicta to spread rapidly and attack everywhere. Even if the protective sleeve is well protected, the protective sleeve is difficult to prevent from being bitten.
The second method comprises the following steps: the fire burning method comprises the steps of firstly, using a stick to lightly blow the ant dune to expel red fire ants out, then using a spray gun to burn on the surface of the ant dune, and digging and burning at the same time; or directly spraying flammable liquid such as alcohol and gasoline on the ant dune surface to ignite it. The effect is as follows: firstly, the fire ants are easy to cause violent reaction, attack direct harm personnel and easily cause injury of the harm personnel; secondly, the red fire ants are easily and rapidly expanded to the outside of the territorial area to form a plurality of new red fire ant groups, and after new red fire ant groups are produced, the influence of epidemic situation is expanded; thirdly, fire disasters are easy to occur, the termite suffers from spring and autumn frequently, the weather is dry, the fire disasters are easy to cause by improper operation, and the termite can not be used in forest areas.
The third method comprises the following steps: the water-logging method includes wetting the surface of ant dune with boiled water, digging the soil of ant dune with shovel, and continuously watering layer by layer. The effect is as follows: when encountering water flooding, the red fire ants can be quickly held into a group to float on the water surface and can be diffused to a farther position along with water flow, so that the red fire ants are diffused for a long distance and are extremely difficult to control. Moreover, the early spread and diffusion of the red fire ants in the origin place depends on the water flow.
Chemical control:
the method comprises the following steps: the contact killing medicine is prepared by using one or more of hypertoxic medicines to mix to prepare liquid to irrigate the solenopsis invicta nest. The effect is as follows: the method can kill red imported fire ants on the surface by contact, but can not kill red imported fire ants deep inside ant holes. Usually, the ant hole of one solenopsis invicta can reach 60-80 cm, even the depth can reach 100 cm, and a plurality of channels are formed when the ant hole leads to the ground, so that the solenopsis invicta in the ant hole is difficult to kill. And the worker ants die without entering the ant nest when transporting food to the ant nest, and the worker ants can not carry the food to the ants, so the method for treating the symptoms and the root causes is also realized.
The second method comprises the following steps: the bait trapping method includes throwing the bait with chronic stomach toxicity to red fire ant into the area with worker ant around the nest, and feeding the worker ant with the bait. Thus, the ants in the nest die gradually within 1-4 weeks after the ants including the ants, and the colony in the nest collapses. The effect is as follows: at present, the use of strong poisons is controlled by the nation, the use of chronic poisons is not safe to a certain extent, the drug resistance of the solenopsis invicta is enhanced, most of the solenopsis invicta are not damaged by the poison and live in the nest after the solenopsis, and new ant holes are established again.
The control method in the prior art has the problems of high cost, poor effect and environmental pollution caused by residues.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for killing solenopsis invicta Buren with no public nuisance, easy operation of the whole process, low cost, environmental protection and remarkable effect.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a method of killing solenopsis invicta, comprising the steps of:
s1, determining the area damaged by the solenopsis invicta with the ground vertically downward;
s2, uniformly spreading a raw material taking nitrogen as a main component on the ground, wherein the raw material can generate ammonia gas, and the dosage of the ammonia gas is 0.1-10 jin per square meter;
s3, 0.1-10 jin of clean water is applied for the first time;
s4, 0.1-30 jin of clean water is discharged for the second time.
Further, the raw material containing nitrogen as a main component includes, but is not limited to, ammonia carbonate, ammonium bicarbonate, ammonia water, ammonium sulfate, ammonium nitrate, and urea.
Further, the clean water comprises at least one of tap water, irrigation water, underground water, well water, river water and natural accumulated water.
Further, the time interval between the first time of releasing the clean water and the second time of releasing the clean water is 2-12 hours.
Compared with the prior art, the invention has the advantages that: the method for killing the red fire ants has the advantages that the chemical fertilizer taking nitrogen as a main component reacts with water, absorbs heat instantly and permeates along with water, low-concentration liquid nitrogen can be formed due to high nitrogen content, so that insect pests are frozen rapidly, meanwhile, ammonia water is contained in the permeate to pollute food of the insect pests, and the permeate is decomposed into ammonia gas, hydrogen gas and carbon dioxide to poison and suffocate the insect pests; the clear water is released for the second time for desalination and decomposition, so that the fertilizer is nontoxic, harmless and residue-free, and is finally decomposed into nitrogen, hydrogen, water and carbon dioxide, and the three components are all nutrients of crops, so that the fertilizer efficiency is high.
Detailed Description
For the purpose of better explaining the present invention, the present invention will be described in detail by way of specific embodiments for easy understanding.
The embodiment discloses a method for killing solenopsis invicta.
It should be noted that: in practical application, the amount of the chemical fertilizer taking nitrogen as a main component is related to fertilizer selection and pest varieties, and the amount of the chemical fertilizer is related to the depth of the ground surface in an underground pest living area and is adjusted according to practical conditions.
In detail, the nitrogen-based chemical fertilizer described herein includes, but is not limited to, ammonium bicarbonate, which has the chemical formula NH4HCO3。
In application, the ammonium bicarbonate powder is directly spread on the ground and is matched with proper water.
The principle about the scheme in this embodiment is as follows:
ammonium bicarbonate of the formula NH4HCO3The ion equation after the water addition reaction is as follows:
NH4 ++HCO3 -+H2O→NH3·H2O+H2O+CO2
will also be subjected to double hydrolysis
NH4 ++HCO3 -→CO2+NH3·H2O
The double hydrolysis means that cations and anions are hydrolyzed, one hydrolysis shows acidity and the other hydrolysis shows alkalinity so that the hydrolysis mutually promotes endothermic alkalinity, the ammonium bicarbonate is dissolved in water to generate double hydrolysis projection, the ionization degree of ammonia water is stronger than that of the ammonium bicarbonate, according to the hydrolysis principle, the hydrolysis is required to show alkalinity, just like sodium carbonate shows acidity, when acid radicals of weak acid and cations of weak base exist in an aqueous solution at the same time, hydroxide ions generated by the hydrolysis of the acid radicals of the weak acid react with hydrogen ions generated by the hydrolysis of the cations of the weak base to generate water, so that the hydrolysis equilibrium of the two ions moves towards the hydrolysis direction to mutually promote hydrolysis, and the hydrolysis is complete.
Therefore, NH is selected for killing solenopsis invicta4HCO3Applying the mixture on the ground of a solenopsis invicta invasion area, and then spraying the mixture with water;
NH4HCO3has ammonium ion (NH)4 +I.e. with 1 unit positive charge), is an ammonium salt, which will give an endothermic reaction in the ammonium salt state; meanwhile, liquid nitrogen with a certain degree is obtained, ammonia water, ammonia gas, carbon dioxide and the like are obtained, and partial ammonium bicarbonate state moisture absorption effect is obtained, so that the living environment of the solenopsis invicta buren is deteriorated, and the solenopsis invicta buren lives underground because the water takes reactants to permeate into the underground.
NH4HCO3Extremely unstable, volatile, decompose in a large number when the temperature reaches above 27 ℃, after killing red fire ant, can decompose through the natural heating, the chemical formula:
NH4HCO3→NH3+H20+CO2
the fertilizer is finally decomposed into nitrogen, hydrogen, water and carbon dioxide, the three components of the fertilizer are all nutrients of crops, the fertilizer efficiency is high, the nitrogen content is 17 percent, harmful intermediate products and final decomposition products are not contained, the soil quality is not affected after long-term application, the fertilizer is one of the safest nitrogen fertilizer varieties, and if the temperature is not high, water can be added to dilute the fertilizer to a safety value absorbed by plants, or the fertilizer is buried deeply to wait for decomposition.
Finally, the method which is nontoxic, harmless and residue-free and can be used for fertilizing soil to kill underground insect pests is obtained, and the whole process is easy to operate, low in cost, environment-friendly and remarkable in effect.
The red imported fire ants are killed by using ammonium bicarbonate.
The range of the underground nest of the red fire ant is generally 60cm, the ant dunes are taken as the center, the diameter is within 80cm, soil with the thickness of 5cm on the ground is digged lightly, and 2-8 parts of ammonium bicarbonate NH are uniformly scattered4HCO3And then 3-50 parts of clear water is uniformly sprayed, so that the water permeates the ant holes, reaches more than 1 meter underground and penetrates through the layer where the ants are located.
NH4HCO3Combined with water, absorb heat instantaneously and gradually reach the underground along with the infiltration of water, and NH is generated along with the passage of time4HCO3The infiltration concentration is gradually improved, the infiltration solution is cold liquid after reaction, low-concentration liquid nitrogen can be formed due to high nitrogen content, so that the solenopsis invicta is frozen rapidly, meanwhile, the infiltration solution also contains ammonia water to pollute the food of the solenopsis invicta, and the infiltration solution is decomposed into ammonia gas, hydrogen gas and carbon dioxide to poison and suffocate the solenopsis invicta.
And after 6-12 hours, the solenopsis invicta in the nest or the cavities die except for the solenopsis invicta which is going out to find food and is not returned to the nest.
After finishing processing the red fire ant, spreading ammonium hydrogen carbonate NH4HCO3The area is diluted by 20-200 parts of clear water, and after a certain proportion is reached, the red fire ant holes can be planted immediately.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that: modifications and equivalents may be made thereto without departing from the spirit and scope of the invention and it is intended to cover in the claims the invention as defined in the appended claims.
Claims (4)
1. A method for killing solenopsis invicta, which is characterized by comprising the following steps:
s1, determining the area damaged by the solenopsis invicta with the ground vertically downward;
s2, uniformly spreading a raw material taking nitrogen as a main component on the ground, wherein the raw material can generate ammonia gas, and the dosage of the ammonia gas is 0.1-10 jin per square meter;
s3, 0.1-10 jin of clean water is applied for the first time;
s4, 0.1-30 jin of clean water is discharged for the second time.
2. The method of claim 1, wherein the method further comprises: the raw material containing nitrogen as a main component includes, but is not limited to, ammonia carbonate, ammonium bicarbonate, ammonia water, ammonium sulfate, ammonium nitrate, and urea.
3. The method of claim 1, wherein the method further comprises: the clear water comprises at least one of tap water, irrigation water, underground water, well water, river water and natural accumulated water.
4. The method of claim 1, wherein the method further comprises: the time interval between the first time of releasing the clear water and the second time of releasing the clear water is 2-12 hours.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110342303.1A CN114304126A (en) | 2021-03-30 | 2021-03-30 | Method for killing solenopsis invicta |
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| CN202110342303.1A Pending CN114304126A (en) | 2021-03-30 | 2021-03-30 | Method for killing solenopsis invicta |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI796253B (en) * | 2022-07-01 | 2023-03-11 | 國立彰化師範大學 | Fire ants controlling device and method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756118A (en) * | 1986-08-29 | 1988-07-12 | Evans Ii Charles W | Method and apparatus for the destruction of imported fire ants of the genus Solenopsis |
| CN109395125A (en) * | 2018-11-23 | 2019-03-01 | 天津卫技天马除害处理技术服务有限公司 | A kind of high-effective disinfecting processing system of imported plants |
| CN112402808A (en) * | 2020-11-18 | 2021-02-26 | 尹垚懿 | Parasite inactivation device |
| CN112470800A (en) * | 2020-11-26 | 2021-03-12 | 茂生生物科技保定有限公司 | Method for killing underground insect pests |
-
2021
- 2021-03-30 CN CN202110342303.1A patent/CN114304126A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4756118A (en) * | 1986-08-29 | 1988-07-12 | Evans Ii Charles W | Method and apparatus for the destruction of imported fire ants of the genus Solenopsis |
| CN109395125A (en) * | 2018-11-23 | 2019-03-01 | 天津卫技天马除害处理技术服务有限公司 | A kind of high-effective disinfecting processing system of imported plants |
| CN112402808A (en) * | 2020-11-18 | 2021-02-26 | 尹垚懿 | Parasite inactivation device |
| CN112470800A (en) * | 2020-11-26 | 2021-03-12 | 茂生生物科技保定有限公司 | Method for killing underground insect pests |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI796253B (en) * | 2022-07-01 | 2023-03-11 | 國立彰化師範大學 | Fire ants controlling device and method thereof |
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