阅读说明：本技术 一种杀灭红火蚁的发泡药剂及使用方法 (Foaming agent for killing solenopsis invicta and use method ) 是由 王建赟 叶政培 张方平 武元园 陈俊谕 李磊 韩冬银 符悦冠 于 2021-10-19 设计创作，主要内容包括：本发明提供一种杀灭红火蚁的发泡药剂及使用方法,该发泡药剂包括液相药剂和固相发泡剂；液相药剂,按照质量百分比,包括0.02～0.1％有效药剂、0.4～0.6％十二烷基苯磺酸钠、28～32％氯化铝、3～7％丙三醇,余量水；固相发泡剂,按照质量百分比,包括58～62％碳酸氢钠、9.9～20％玉米淀粉、0～10％碳酸氢铵和0～10％滑石粉；本发明以液相药剂与固相发泡剂的组合,使有效药剂与发泡材料独立复配,不仅有效保持了有效药剂的稳定性,而且利用两者结合的持久发泡作用,实现将有效药剂最大限度地抵达红火蚁巢穴的深处,且不易产生堵塞,对杀灭红火蚁的灭杀更加灵活且高效彻底,安全性好。(The invention provides a foaming medicament for killing solenopsis invicta and a use method thereof, wherein the foaming medicament comprises a liquid-phase medicament and a solid-phase foaming agent; the liquid-phase medicament comprises 0.02-0.1% of effective medicament, 0.4-0.6% of sodium dodecyl benzene sulfonate, 28-32% of aluminum chloride, 3-7% of glycerol and the balance of water in percentage by mass; the solid-phase foaming agent comprises, by mass, 58-62% of sodium bicarbonate, 9.9-20% of corn starch, 0-10% of ammonium bicarbonate and 0-10% of talcum powder; the invention combines the liquid-phase agent and the solid-phase foaming agent, so that the effective agent and the foaming material are independently compounded, the stability of the effective agent is effectively maintained, and the effective agent can reach the deep part of the solenopsis invicta nest to the maximum extent by utilizing the combined lasting foaming effect of the liquid-phase agent and the solid-phase foaming agent, is not easy to block, and has more flexible, efficient and thorough killing of the solenopsis invicta, and good safety.)

1. A foaming agent for killing solenopsis invicta, which is characterized in that: the foaming agent comprises a liquid-phase agent and a solid-phase foaming agent;

the liquid-phase medicament comprises, by mass, 0.02-0.1% of an effective medicament, 0.4-0.6% of sodium dodecyl benzene sulfonate, 28-32% of aluminum chloride, 3-7% of glycerol and the balance of water;

the solid-phase foaming agent comprises, by mass, 58-62% of sodium bicarbonate, 9.9-20% of corn starch, 0-10% of ammonium bicarbonate and 0-10% of talcum powder.

2. The foaming agent for exterminating red fire ants according to claim 1, wherein: the effective medicament is beta-cypermethrin.

3. The foaming agent for exterminating red fire ants according to claim 1, wherein: the solid-phase foaming agent also comprises 18-22% of bean flour and 9-11% of pork powder in percentage by mass as a bait agent.

4. The foaming agent for exterminating red fire ants according to claim 1, wherein: the solid-phase foaming agent also comprises 0.05-0.1% of indoxacarb in percentage by mass.

5. The foaming agent for exterminating red fire ants according to claim 1, wherein: the solid-phase foaming agent is prepared by pressing powder into a cake-shaped granular preparation with the length of 0.5-2.0mm and the diameter of 1.0-3.0mm by a granulator.

6. A method for using the foaming agent for killing the solenopsis invicta as claimed in any one of claims 1 to 5, wherein: the using method of the foaming agent is solid-liquid synchronous reaction foaming or solid-liquid sectional reaction foaming;

the solid-liquid synchronous reaction foaming is that when the solenopsis invicta is killed, the solid-phase foaming agent and the liquid-phase agent are added into the releaser, and the releaser is inserted into a soil mound of the solenopsis invicta nest, so that the solid-phase foaming agent and the liquid-phase agent react and foam in the injection process, and the pores of the solenopsis invicta nest are filled with the foaming agent;

the solid-liquid segmented reaction foaming comprises the steps of firstly spreading a solid-phase foaming agent in an ant nest, injecting a liquid-phase medicament into a red imported fire ant nest from a releaser after the solid-phase foaming agent is carried into the nest by the red imported fire ants, so that the solid-phase foaming agent and the liquid-phase medicament react and foam in the nest, and generating a large amount of toxic foams after the foaming reaction is carried out to fill the pores in the nest where the red imported fire ants live, so as to plug the activity space of the red imported fire ants.

7. The foaming agent for exterminating red fire ants according to claim 1, wherein: when the solid-liquid synchronous reaction foaming is carried out, the mass ratio of the solid-phase foaming agent to the liquid-phase medicament is 1: 1.

8. The foaming agent for exterminating red fire ants according to claim 1, wherein: when the solid-liquid segmented reaction foaming is carried out, the mass ratio of the solid-phase foaming agent to the liquid-phase medicament is 1: 10.

9. The foaming agent for exterminating red fire ants according to claim 8, wherein: when the solid-liquid segmented reaction foaming is carried out, the solid-phase foaming agent contains a bait agent.

Technical Field

The invention relates to the technical field of prevention and control of solenopsis invicta, in particular to a foaming medicament for killing solenopsis invicta and a using method thereof.

Background

The red imported fire ants are exotic species invading China in the last 20 years, and the current epidemic situation is mainly concentrated in the south China, east China, southwest China and Central China and gradually spreads to the yellow river basin. Once it invades, it is difficult to remove it completely. The red imported fire ants are omnivorous and have ecological competitiveness obviously higher than domestic native ants, and domestic has not reported natural enemies with effective control capability on the red imported fire ants, so the generation area of the red imported fire ants is continuously expanded in recent years. The ergates of the red fire ant have developed palate, the abdomen has tail needles which can continuously sting and release toxins, and the ant colony is usually defended by adopting an active attack form. People are stung by red fire ants, then large-area red swelling, pustule, desquamation and blister occur, and people with allergic constitution are stung, difficult to breathe and even shocked quickly when being bitten by the people. Therefore, the red imported fire ants are not only an invasive species threatening ecological safety, but also a harmful organism threatening personal safety of the public.

The nest of the red fire ants has the characteristics obviously different from the natural ants in China, the outer part of the nest is in a raised mound shape generally, the height of the nest is 10cm to 50cm, the main structure of the nest is below the ground surface, and the extension of the nest is 2 meters; the soil dune structure that the ant nest is higher than the earth's surface has the effect of humidity and ventilation in the regulation nest, and the size and the height of soil dune can change because of red imported fire ant's activity and environmental change. The interior of the ant nest of the red fire ants is of an irregular honeycomb structure and is composed of criss-cross ant channels, and all the ant channels in the ant nest are mutually communicated. The existing bait for killing solenopsis invicta in the market is mainly in the form of solid particles or powder, and the liquid bait is rare. The solid bait is mainly attracted by the attractant, so that the bait is carried into the nest by the red fire ants, and the effective medicinal ingredients are gradually diffused to each individual of the ant nest, thereby killing the ant nest. The invention patent CN 102210304 provides a preparation method of liquid bait, which uses spinosad as a raw pesticide and sprays the liquid bait on the surface of a ant dune.

However, the solid bait for solenopsis invicta generally contains high-content animal and plant fat and a high proportion of oil crop seeds or animal protein components, has high manufacturing cost, is also food which is preferred by other ants or other animals, may have the phenomenon of poisoning non-target animals or poultry and livestock in the application process, has low safety, and sometimes cannot successfully reach an ant colony due to the reason that the bait particle size is not suitable for the carrying capacity of the solenopsis invicta invigorator or is affected with damp, washed by rainwater and the like, so that the killing is insufficient; and for pure liquid bait, in the process of filling the nest, a large amount of solvents such as water and the like are needed, the carrying and the operation are inconvenient when the nest is killed in a large area, in addition, a large amount of liquid bait is easy to wash out the nest of the solenopsis invicta, and soil is easy to cause that liquid medicine can not completely reach a preset place after the nest is blocked, so that the opportunity is provided for transferring the postant and the young ant, the killing efficiency is reduced, and a large amount of toxic liquid can also influence non-target soil organisms.

Therefore, aiming at the problems, a novel foaming medicament for killing the solenopsis invicta and a corresponding scientific killing method are found, so that the holes of the solenopsis invicta nest can be fully filled, the blocking is not easy to generate, the killing efficiency is high, the safety is good, and an important technical basis is provided for the prevention and the treatment of the solenopsis invicta.

Disclosure of Invention

Therefore, the invention provides the foaming medicament for killing the solenopsis invicta and the use method thereof, the invention not only effectively maintains the stability of the effective medicament, but also realizes that the effective medicament reaches the deep part of the nest of the solenopsis invicta to the maximum extent by utilizing the combined lasting foaming effect of the effective medicament and the lasting foaming effect, is not easy to block, and has more flexible, efficient and thorough killing of the solenopsis invicta, and good safety.

The technical scheme of the invention is realized as follows:

a foaming agent for killing solenopsis invicta, which comprises a liquid-phase agent and a solid-phase foaming agent; the liquid-phase medicament comprises, by mass, 0.02-0.1% of an effective medicament, 0.4-0.6% of sodium dodecyl benzene sulfonate, 28-32% of aluminum chloride, 3-7% of glycerol and the balance of water; the solid-phase foaming agent comprises, by mass, 58-62% of sodium bicarbonate, 9.9-20% of corn starch, 0-10% of ammonium bicarbonate and 0-10% of talcum powder.

Further, the effective agent is beta-cypermethrin.

Further, the solid-phase foaming agent also comprises 18-22% of bean flour and 9-11% of pork powder in percentage by mass as a bait agent.

Further, the gas product of the foaming reaction is carbon dioxide, and the carbon dioxide has an anesthetic effect on the solenopsis invicta in the relatively closed nest, so that the activity of the solenopsis invicta is reduced, and the killing power of the toxic foam on the solenopsis invicta is increased.

Further, the solid-phase foaming agent also comprises 0.05-0.1% of indoxacarb in percentage by mass. The solid-phase foaming agent is added with a substance for inducing the solenopsis invicta to eat to prepare a bait, and a small amount of indoxacarb medicament is further added, so that the solenopsis invicta ingests a small amount of medicament before the foaming reaction, partial individual poisoning is caused, the group defense capacity of the solenopsis invicta is reduced, and the killing efficiency of the foaming reaction is increased.

Further, the solid-phase foaming agent is prepared by pressing powder into a cake-shaped granular preparation with the length of 0.5-2.0mm and the diameter of 1.0-3.0 by a granulator.

The using method of the foaming agent for killing the solenopsis invicta comprises the steps of carrying out solid-liquid synchronous reaction foaming or solid-liquid sectional reaction foaming;

the solid-liquid synchronous reaction foaming is that when the solenopsis invicta is killed, a solid-phase foaming agent and a liquid-phase medicament are added into a releaser, when the releaser is used, the releaser is inserted into a soil mound of a solenopsis invicta nest, a mechanism of the releaser is triggered to enable the solid-phase foaming agent and the liquid-phase medicament to react in the injection process, and soft foam generated by foaming fills the pores of the solenopsis invicta nest;

the solid-liquid segmented reaction foaming comprises the steps of firstly spreading a solid-phase foaming agent around an ant nest, injecting a liquid-phase medicament into a red imported fire ant nest from a releaser after the solid-phase foaming agent is carried to the nest in a large amount, enabling the solid-phase foaming agent and the liquid-phase medicament to react and foam in the nest, and filling pores in the nest where the red imported fire ants live after the foaming medicament reacts.

Further, when the solid-liquid synchronous reaction foaming is carried out, the mass ratio of the solid-phase foaming agent to the liquid-phase agent is 1: 1.

Further, when the solid-liquid segmented reaction foaming is carried out, the mass ratio of the solid-phase foaming agent to the liquid-phase agent is 1: 10.

Further, when the solid-liquid segmented reaction foaming is carried out, the solid-phase foaming agent contains a solenopsis invicta bait attractant.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention mainly uses the combination of the liquid-phase agent and the solid-phase foaming agent to independently compound the effective agent and the foaming material, on one hand, the stability of the effective agent is effectively maintained, on the other hand, the combination of the two long-lasting foaming effects is utilized, the effective agent can be delivered into the nest of the solenopsis invicta, the killing of the solenopsis invicta is more flexible, efficient and thorough, the safety is good, and an important technical basis is provided for the prevention and the treatment of the solenopsis invicta.

(2) The foaming agent can be foamed by solid-liquid synchronous reaction or solid-liquid sectional reaction.

In the solid-liquid synchronous reaction foaming process, a mode of combining gas-producing chemical reaction and compressed gas can be utilized to enable a liquid-phase medicament and a solid-phase foaming agent to form full mixing reaction in the nest filling injection process through a releaser to form fine foam, simultaneously, under the dynamic pushing action, honeycomb-shaped pores in the nest are fully filled, the outlet of the red fire ant nest is blocked to the maximum extent, the pores of the nest are not easy to block, the medicament is ensured to fully enter the deep part of the nest, and the red fire ants outside the nest can not return to the nest because the nest is blocked by the foam. The gas or compressed gas generated by the foaming reaction is carbon dioxide, sulfur dioxide and other gases which have anesthesia or toxicity to the solenopsis invicta.

In the solid-liquid segmented reaction foaming mode, the solid-phase foaming agent can be conveyed back to the nest by adding the bait agent into the solid-phase foaming agent, another liquid-phase foaming reaction substance is injected into the nest to initiate foaming reaction, the solid-phase foaming agent is conveyed to the deep part of the nest by the red fire ants, the foaming reaction directly occurs in the activity area of the red fire ants, so that a large amount of toxic foams are generated from the nest to the inside, the life activities of the queen ants and the young ants can be directly interfered, the red fire ants are eliminated, meanwhile, the liquid-phase medicament is subjected to the foaming reaction after meeting the solid-phase foaming agent when being injected to the deep part of the nest, the nest can be filled with the toxic medicament from inside to outside, and compared with the method of only injecting the liquid medicament into the nest, the medicament can reach the cavity of the nest and the sinus chamber in the form of foam.

(3) The efficient cypermethrin bait takes the efficient cypermethrin as a contact-killing type effective medicament, a solid foaming reaction substance is added into the bait, the contact of the efficient cypermethrin and a liquid-phase medicament is utilized as a reaction condition, meanwhile, sodium dodecyl benzene sulfonate is utilized as a surfactant, glycerol is utilized as a humectant, so that the persistence of foam is fully maintained, the adhesion of the foam to the body surface of red fire ants is increased, the toxicity of the effective medicament is not reduced by chemical reactants and products, and compared with the traditional single solid poison bait or liquid medicament, the efficient and sufficient killing effect can be realized by fully reducing the dosage of the effective medicament, the killing capacity and speed of the red fire ant nest are obviously improved, the killing efficiency is higher, and the safety of the use of the medicament is effectively improved.

(4) The gas in the chemical reaction or compressed gas is carbon dioxide, the carbon dioxide is anesthetic gas for insects, the carbon dioxide can play a role in quickly paralyzing the solenopsis invicta invigorates the solenopsis invigorates the nest and reduces the activity of the solenopsis invigorates the nest, and the defense reaction of the solenopsis invigorates the nest and transfers the ants can be effectively suppressed, so that the termite killing effect of toxic foam is enhanced.

Drawings

FIG. 1 is a schematic view of a configuration in which a solid-phase foaming agent and a liquid-phase medicinal agent are mixed by a releaser according to an embodiment of the present invention;

fig. 2 is a schematic view showing that a solid-phase foaming agent and a liquid-phase agent are mixed by a releaser to perform fire ant extermination in accordance with an embodiment of the present invention.

Detailed Description

In order to better understand the technical content of the invention, specific examples are provided below to further illustrate the invention.

The experimental methods used in the examples of the present invention are all conventional methods unless otherwise specified.

The materials, reagents and the like used in the examples of the present invention can be obtained commercially without specific description.

Example 1

A foaming agent for killing solenopsis invicta comprises a liquid-phase agent and a solid-phase foaming agent; wherein, 1kg of liquid-phase medicament is prepared, and the specific components are as follows:

table 1: liquid-phase pharmaceutical composition

1kg of solid-phase foaming agent particles are prepared, and the concrete components are as follows:

table 2: solid phase blowing agent component

According to the proportion, the components are mixed to respectively obtain the liquid-phase medicament and the solid-phase foaming agent, wherein the solid-phase foaming agent is prepared by pressing powder into a granular preparation with the length of 0.5-2.0mm and the diameter of 1.0-3.0mm by a granulator.

The application method of the foaming medicament comprises the following steps: when the device is used, a solenopsis invicta nest is selected, the releaser of the solenopsis invicta killing agent containing 2 cabins is used, liquid-phase components and solid-phase components are respectively filled in the cabins of the releaser, a medicine filling port of the releaser is firstly inserted into a soil dune of the solenopsis invicta nest, the insertion depth is 20cm, a release switch of the releaser is opened, the 2 cabins of the releaser are communicated, solid-liquid two-phase medicine contact is initiated to react, the pressure inside the releaser is increased after gas generation, the foam and the medicine are pushed into the solenopsis invicta nest to form rich foam, the pores of the solenopsis invicta nest are filled, the solenopsis invicta is infected with the foam carrying the medicine, and then the solenopsis invicta is killed.

Example 2

A foaming agent for killing solenopsis invicta comprises a liquid-phase agent and a solid-phase foaming agent;

1kg of liquid-phase medicament is prepared, and the specific components are as follows:

table 1: liquid-phase pharmaceutical composition

1kg of solid-phase foaming agent particles are prepared, and the concrete components are as follows:

table 2: solid phase blowing agent component

According to the proportion, the components are mixed to respectively obtain the liquid-phase medicament and the solid-phase foaming agent. Wherein, the solid-phase foaming agent is a cake-shaped granular preparation which is pressed by a granulator into powder with the thickness of 0.5-2.0mm and the diameter of 1.0-3.0 mm. The foaming agent was used in the same manner as in example 1.

Example 3

A foaming agent for killing solenopsis invicta comprises a liquid-phase agent and a solid-phase foaming agent; wherein, 30kg of liquid-phase medicament is prepared, and the specific components are as follows:

table 3: liquid-phase pharmaceutical composition

3kg of solid-phase foaming agent particles are prepared, and the concrete components are as follows:

table 4: solid phase blowing agent component

According to the proportion, the components are mixed to respectively obtain the liquid-phase medicament and the solid-phase foaming agent. Wherein, the solid-phase foaming agent is prepared into cake-shaped particles with the length of 0.5-2.0mm and the diameter of 1.0-3.0mm after all components are mixed by a granulator.

The application method of the foaming medicament comprises the following steps: a movable ant nest of red fire ants is selected, solid-phase foaming agent particles containing feeding components are scattered on the periphery of the ant nest, the red fire ants are waited to carry the solid-phase particles, after most of the solid-phase particles are carried into the nest, liquid-phase medicaments are injected into the red fire ant nest through a releaser, the liquid-phase medicaments are injected into the nest and react with the solid-phase foaming agent in the nest, a large amount of foams wrapping effective medicaments are generated in the nest, main activity areas of the red fire ants in the nest are filled, meanwhile, the activity capacity of the red fire ants is reduced by generated carbon dioxide gas, the palsy of the worker ants and the queens is caused, the worker ants lose resistance and cannot escape, and therefore the worker ants are trapped in the ant nest and are infected by the foams to be killed.

Example 4

A foaming agent for killing solenopsis invicta comprises a liquid-phase agent and a solid-phase foaming agent; wherein, 30kg of liquid-phase medicament is prepared, and the specific components are as follows:

table 3: liquid-phase pharmaceutical composition

3kg of solid-phase foaming agent particles are prepared, and the concrete components are as follows:

table 4: solid phase blowing agent component

According to the proportion, the components are mixed to respectively obtain the liquid-phase medicament and the solid-phase foaming agent. Wherein, the solid-phase foaming agent is prepared by pressing powder into a cake-shaped granular preparation with the length of 0.5-2.0mm and the diameter of 1.0-3.0mm by a granulator. The foaming agent was used in the same manner as in example 3.

Example 5 Solenopsis invicta foam bait killing experiment

1. The test method comprises the following steps: selecting a plot where red fire ants occur in suburb of delirium, Hainan province, selecting 30 nests as a common granular bait treatment area, selecting 120 nests as a solid-phase bait treatment area and a liquid-phase medicament treatment area, selecting 30 nests as a liquid-phase medicament treatment area, and selecting 30 nests as a control area.

2. Application of the medicine: the medicine is applied at 4 months and 2 days in 2021, and then the medicine is investigated once every 5 days till the 30 th day, and the number of the active ant nests is counted.

(1) 50g of granular bait is spread in each ant nest in a solid-phase bait treatment area, the formulation components of the bait are the same as those of the solid-phase foaming agent in example 4, the effective medicament component of the bait is 0.05 percent indoxacarb, and the worker ants of the solenopsis invicta wait to be carried into the nest;

(2) in the solid-phase bait agent and liquid-phase agent treatment areas, the foaming agent prepared in the embodiments 1-4 is respectively adopted and treated by respective corresponding methods, and each 30 red fire ant nest is formed; wherein the content of the first and second substances,

examples 1 and 2 are: respectively filling 50g of liquid-phase components and 50g of solid-phase components into cabins of a releaser by using a releaser containing 2 cabins of a solenopsis invicta killing agent, inserting a medicine filling port of the releaser into a soil dune of a solenopsis invicta nest, wherein the insertion depth is 20cm, opening a release switch of the releaser to enable solid-liquid two-phase medicines to react, pushing foams and medicines into the solenopsis invicta nest, filling the pores of the solenopsis invicta nest, and enabling the solenopsis invicta to be stained with foams carrying the medicines;

example 3 is: 50g of solid-phase foaming agent is spread in each ant nest, after most of the granular bait is carried into the nest, 250g of liquid-phase agent is filled into the red imported fire ant nest, the liquid-phase agent is subjected to chemical reaction after meeting the granular bait carried into the nest by the red imported fire ants, and a large amount of foam with medicine is generated in the nest;

example 4 is: 50g of solid-phase foaming agent is spread in each ant nest, 500g of liquid-phase agent is filled into the red imported fire ant nest after most of the granular bait is carried into the nest, the liquid-phase agent is subjected to chemical reaction after meeting the granular bait carried into the nest by the red imported fire ants, and a large amount of foam with medicine is generated in the nest;

(3) in the liquid-phase medicament treatment area, 500g of liquid medicament with the same formula as the liquid-phase medicament of the embodiment 4 is directly poured into the solenopsis invicta nest;

(4) the control area was not treated, and only the number of viable nests was counted.

The control effect is calculated as (the nest-active decline rate of the treatment area-the nest-active decline rate of the control area)/(100-the nest-active decline rate of the control area) × 100% after 20 days of drug application;

the rate of active nest decline (number of active nests before treatment-number of active nests after treatment)/number of active nests before treatment 100%.

The results are shown in table 5 below:

from the results in the table above, it can be seen that the liquid-phase medicament has no obvious effect on killing the solenopsis invicta nest, the 20-day control effect of the solid-phase bait is only 56.67%, and the onset date is late, while the solid-liquid combined foaming medicament of the invention is used for killing the solenopsis invicta nest, the killing capability and speed of the solenopsis invicta nest are obviously improved, the 20-day control effect can reach 96.67% to the maximum, and meanwhile, compared with the example 4, the single solid-phase and liquid-phase medicament combination has obvious synergistic effect. Wherein the number of viable nests in the blank increased with time.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.