AU750474B2 - The eradication of mosquitoes - Google Patents
The eradication of mosquitoes Download PDFInfo
- Publication number
- AU750474B2 AU750474B2 AU18624/99A AU1862499A AU750474B2 AU 750474 B2 AU750474 B2 AU 750474B2 AU 18624/99 A AU18624/99 A AU 18624/99A AU 1862499 A AU1862499 A AU 1862499A AU 750474 B2 AU750474 B2 AU 750474B2
- Authority
- AU
- Australia
- Prior art keywords
- container
- water
- mosquitoes
- larvae
- mosquito
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 241000255925 Diptera Species 0.000 title claims description 46
- 230000008029 eradication Effects 0.000 title description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 105
- 238000000034 method Methods 0.000 claims description 22
- 241000256113 Culicidae Species 0.000 claims description 18
- 235000013601 eggs Nutrition 0.000 claims description 18
- 239000000126 substance Substances 0.000 claims description 3
- 241000894007 species Species 0.000 claims description 2
- 241001559589 Cullen Species 0.000 claims 1
- 238000009395 breeding Methods 0.000 description 5
- 230000001488 breeding effect Effects 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/10—Catching insects by using Traps
- A01M1/106—Catching insects by using Traps for flying insects
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/02—Stationary means for catching or killing insects with devices or substances, e.g. food, pheronones attracting the insects
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/10—Catching insects by using Traps
- A01M1/12—Catching insects by using Traps automatically reset
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M2200/00—Kind of animal
- A01M2200/01—Insects
- A01M2200/012—Flying insects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Zoology (AREA)
- Engineering & Computer Science (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Animal Behavior & Ethology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Catching Or Destruction (AREA)
Description
AUSTRALIA
Patents Act 1990 COMPLETE SPECIFICATION FOR A STANDARD PATENT Name of Applicant: Actual Inventor: Address for Service: Graeme Kingston DICKS Graeme Kingston DICKS CULLEN CO., Patent Trade Mark Attorneys, 240 Queen Street, Brisbane, Qld. 4000, Australia.
THE ERADICATION OF MOSQUITOES Invention Title: The following statement is a full description of this invention, including the best method of performing it known to me 2 :THIS INVENTION relates to the eradication of mosquitoes.
More particularly, the invention relates to a method of and apparatus for eradicating mosquitoes, particularly by breaking the breeding cycle of mosquitoes and thereby preventing breeding of mosquitoes.
The breeding cycle of mosquitoes commences with adult female mosquitoes laying eggs, particularly in the near vicinity of a stagnant or relatively still pool of water.
After a period of time the eggs will hatch, providing mosquito larvae that require to Slive in water in order to survive. The mosquito larvae therefore will immerse themselves in the water near which the eggs were laid and over a period of three or four days will change into the adult form of mosquitoes.
Accordingly, it is an object of this invention to eradicate mosquitoes by breaking the above described breeding cycle of mosquitoes.
According to the invention there is provided a method of eradicating mosquitoes, which comprises -3 providing an open-topped container for holding water; introducing water into the container in order to attract female mosquitoes to lay eggs in the vicinity of the water, which eggs will then hatch in the form of larvae that will live in the water; and emptying all of the water introduced into the container upon the expiry of a predetermined time period, which period is less than the life span of mosquito larvae within which the larvae changes into the adult form of mosquitoes.
.i* The method may include, after emptying of all the water introduced into the container, repeating continuously the process of introducing water into the container and emptying water so introduced upon the expiry of the predetermined time period.
The method of the invention also may include determining the life span of the species of mosquito larvae existing in the area where the method is to be employed and providing for emptying of the container within time periods shorter 15 than the determined life span of the mosquito larvae.
Still further, the method may include locating a mosquito attracting substance in the vicinity of the container for attracting female mosquitoes about to lay eggs to the container and thereby providing for the female mosquitoes to lay their eggs in the vicinity of the container.
Further according to the invention, the method includes providing with the container water feed means and a water discharge arrangement, whereby the introduction -4 of water into the container and emptying of water from the container can be repeated continuously.
In accordance with the method of the invention, by introducing water into the container that is provided, female mosquitoes will be attracted to the water and induced to lay their eggs in the vicinity of the water. As mosquito larvae require water to survive, upon hatching of the larvae from the eggs, the larvae will immerse themselves in the water in the container. As such, when the water is emptied from the container on to the ground or wherever else the water is discharged, the larvae in the water will die soon afterwards, particularly when the water dissipates due to seepage into the ground, evaporation, or otherwise. Thereby, the method in accordance with the invention effectively interrupts the breeding cycle of *mosquitoes, greatly reducing the mosquito population in the general area of the S. container and in effect providing for eradication of mosquitoes in the area.
A further aspect of the invention provides for apparatus for eradicating mosquitoes, which comprises open-topped container for holding water, the container defining an elongate configuration and having a base wall, two side walls and two end walls with .oothe side walls tapering towards one another from one end of the container to the 20 other end of the container to define a wider end and a narrower end of the container; water feed means for feeding water into the container at a controlled flow rate; and
L
0 Vv a water discharge arrangement for causing water, when fed into the container at a controlled flow rate, to be discharged therefrom at predetermined interval periods that are shorter than the life span of mosquito larvae that could develop in the water, the water discharge arrangement including a support structure which pivotally supports the container in an arranger nent in which it is pivotally displaceable about a pivot axis between a first position, wherein the container can hold water therein, and a second position, wherein the container is tilted with respect to the first position and water held therein is discharged therefrom, the wider end and the narrower end of the container providing for a greater volume of water fed into the container to collect at the wider end of the container and causing an uneven force to S, act on the container relative to the pivot axis to provide for tilting of the container iff from its first position to its second position, when a predetermined critical volume of water is held in the container, while the container will return from its second position to its first position after water has been discharged therefrom.
The water feed means accordingly may be operable to feed water into the "container from a pressurised water supply at a predetermined controlled flow rate which will provide for the said critical predetermined volume of water fed into the container being reached within a time period less than the life span of mosquito larvae that may develop in the water.
:00**o The apparatus further may include urging means for urging the container into its first position so that tilting of the container to its second position will occur against the force of the urging means.
C7 S12 -6 The apparatus still further may include mosquito attracting means for attracting female mosquitoes about to lay eggs to the container and thereby providing for the female mosquitoes to lay their eggs in the vicinity of the container, in use of the apparatus.
Further features of an apparatus for eradicating mosquitoes and a method of eradicating mosquitoes in accordance with the invention, are described hereinafter, .by way of a non-limiting example of the invention, with reference to and as illustrated in the accompanying diagrammatic drawings. In the drawings: Figure 1 shows a schematic side view of an apparatus for eradicating mosquitoes in accordance with the invention, with the container thereof being disposed in a first position; Figure 2 shows a schematic side of the apparatus of Figure 1, with the container being disposed in a second position; and Figure 3 shows a schematic top plan view of the apparatus of Figure 1.
An apparatus for eradicating mosquitoes in accordance with the invention, is designated generally by the reference numeral 10. The apparatus 10 comprises, broadly, an open-topped container 12 for holding water 14, water feed means for 7 feeding water into the container and a water discharge arrangement for discharging water from the container 12 at predetermined times as described hereafter.
The water feed means is in the form of a pipe 16 of a predetermined diameter along which water from a water mains supply can flow at a predetermined flow rate, whereas the water discharge arrangement is in the form of a support structure 18 for supporting the container. The support structure 18 comprises a base that can be positioned on a ground surface 21, two spaced opposed side support :I posts 22 and a base support post 24. The support structure 18 supports the :container 12 in an arrangement wherein it is pivotally displaceable about a pivot 10 axis A between a first position wherein the container can hold water (as is *illustrated in Figure 1 of the drawings) and a second position wherein the container is tilted with respect to its first position and any water therein is discharged therefrom (as is illustrated in Figure 2 of the drawings). More particularly, the container 12 is pivotally supported on a pivot pin 26 that extends between the support posts 22.
The container 12 has an elongate configuration having two end walls 28 and a base wall 32 and two side walls 34 and 36. The container 12 narrows from its end wall 30 to its opposite end wall 28, thereby permitting a greater volume of water to collect at the relatively wider end region of the container near its end wall 30. This causes an uneven mass distribution of water in the container which causes it to be displaced into its second position when a critical uneven mass distribution of water is achieved. The container 12 includes a mass-piece 35 that is located at the end wall 28.
-8- In use, the container rests, via its base wall 32, on the base support post 24.
Water from the pipe 16 enters the container via an opening in its side wall 34. The flow rate at which water enters the container 12 is controlled so as to provide for a critical volume of water to be fed into the container sufficient to cause it to be displaced into its second position upon the expiry of a predetermined period of time which is less than the life span of mosquito larvae that may develop in the water. As such, the mass-piece 35 acts as a counter-weight which holds the container in its first position until a critical volume of water enters the container, sufficient to cause it to be displaced into its second position. As such, with the .I 10 lifespan of mosquito larvae being in the region of three to four days, the Applicant envisages that the flow rate of water into the container will be adjusted so as to allow a critical volume of water to be achieved within two to three days.
After the water has been discharged from the container, the container is again returned to its first position under the action of the mass piece 34 and the process 15 is repeated for as long as water is supplied to the container at said flow rate.
99°°9 When the water is discharged from the container, the larvae in the water will die soon afterwards when the water dissipates due to seepage into the ground, evaporation or otherwise.
The apparatus 10 includes a mosquito attracting substance that is applied to one or more surfaces of the support structure 18 for attracting mosquitoes to the apparatus.
The invention extends to two or more apparatus 10 that are supplied with water at said flow rate from a common water supply pipe which feeds water into the water pipes 16 of each apparatus 10. As such, the Applicant envisages that a number -9 of apparatus 10 can be linked in series to cover a relatively large area such as, for example, a nature reserve.
The invention extends to a method of eradicating mosquitoes, which comprises, firstly, providing the container 12, secondly, introducing a predetermined amount of water into the container to attract female mosquitoes to lay eggs in the vicinity of the water which will hatch in the form of larvae that will live in the water, and, thirdly, emptying all of the water from the container upon the expiry of a o.t. predetermined period of time which is less than the lifespan of any mosquito larvae -that may develop in the water.
10 The Applicant believes that the apparatus for eradicating mosquitoes, in accordance with the invention, provides a simple yet effective apparatus for eradicating large numbers of mosquito larvae which will result in a drastic reduction of mosquito numbers in the general area of the apparatus.
o*
Claims (11)
1. A method of eradicating mosquitos, which comprises providing an open-topped container for holding water; introducing water into the container in order to attract female mosquitos to lay eggs in the vicinity of the water, which eggs will then hatch in the form of larvae that will live in the water; and emptying all of the water introduced into the container upon the expiry of a predetermined time period, which time period is less than the life span of mosquito larvae within which the larvae changes into the adult form of mosquitoes.
2. A method as claimed in Claim 1, which includes, after emptying of all the water introduced into the container, repeating continuously the process of introducing water into the container and emptying water so introduced upon the expiry of the predetermined time period.
3. A method as claimed in Claim 1 or Claim 2, which includes determining the life span of the species of mosquito larvae existing in the area where the method is to be employed and providing for emptying of the 20 container within time periods shorter than the determined life span of the g o, *mosquito larvae.
4. A method as claimed in any one of the preceding claims, which includes locating a mosquito attracting substance in the vicinity of the -11- container for attracting female mosquitoes about to lay eggs to the container and thereby providing for the female mosquitoes to lay their eggs in the vicinity of the container.
5. A method as claimed in any one of the preceding claims, which includes providing with the container water feed means and a water discharge arrangement, whereby the introduction of water into the container and emptying of water from the container can be repeated continuously.
6. Apparatus for eradicating mosquitoes, which comprises an open-topped container for holding water, the container defining an elongate configuration and having a base wall, two side walls and two end walls with the side walls tapering towards one another from one end of the container to the other end of the container to define a wider end and a narrower end of the container; water feed means for feeding water into the container at a controlled flow rate; and a water discharge arrangement for causing water, when fed into the container at a controlled flow rate, to be discharged therefrom at predetermined interval periods that are shorter than the life span of mosquito S° larvae that could develop in the water, the water discharge arrangement including a support structure which pivotally supports the container in an arrangement in which it is pivotally displaceable about a pivot axis between a first position, wherein the container can hold water therein, and a second -12- position, wherein the container is tilted with respect to the first position and water held therein is discharged therefrom, the wider end and the narrower end of the container providing for a greater volume of water fed into the container to collect at the wider end of the container and causing an uneven force to act on the container relative to the pivot axis to provide for tilting of the container from its first position to its second position, when a predetermined critical volume of water is held in the container, while the container will return from its second position to its first position after water has been discharged therefrom.
7. An apparatus as claimed in Claim 6, in which the water feed *:so means is operable to feed water into the container from a pressurised water supply, at a predetermined controlled flow rate, which will provide for the said critical predetermined volume of water fed into the container being reached within a time period less than the life span of mosquito larvae that may develop in the water.
8. Apparatus as claimed in Claim 6 or Claim 7, which includes urging means for urging the container into its first position and in which tilting of the 20 container to its second position will occur against the force of the urging means.
9. Apparatus as claimed in any one of Claims 6 to 8, which includes mosquito attracting means for attracting female mosquitoes about to lay eggs -13- to the container and thereby providing for the female mosquitoes to lay their eggs in the vicinity of the container, in use of the apparatus.
A method of eradicating mosquitoes substantially as described in the specification with reference to and as illustrated in the accompanying drawings.
11. Apparatus for eradicating mosquitoes substantially described in the specification with reference to and as illustrated in the accompanying drawings. Dated this 27 th day of May, 2002 GRAEME KINGSTON DICKS by his Patent Attorneys CULLEN CO S. S S. S 5. 9 S S *5 -1-
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA98/2070 | 1998-03-11 | ||
ZA982070A ZA982070B (en) | 1997-03-20 | 1998-03-11 | Suction module |
Publications (2)
Publication Number | Publication Date |
---|---|
AU1862499A AU1862499A (en) | 1999-09-23 |
AU750474B2 true AU750474B2 (en) | 2002-07-18 |
Family
ID=25586896
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU18624/99A Ceased AU750474B2 (en) | 1998-03-11 | 1999-03-09 | The eradication of mosquitoes |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU750474B2 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2165753A (en) * | 1935-03-30 | 1939-07-11 | Hobbs Travis Roe | Self-cleaning water fountain |
US3696786A (en) * | 1971-04-23 | 1972-10-10 | Moody Ray Garwood | Self-cleaning bird bath |
US3995591A (en) * | 1976-01-28 | 1976-12-07 | Moody Ray Garwood | Self-cleaning bird bath |
-
1999
- 1999-03-09 AU AU18624/99A patent/AU750474B2/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2165753A (en) * | 1935-03-30 | 1939-07-11 | Hobbs Travis Roe | Self-cleaning water fountain |
US3696786A (en) * | 1971-04-23 | 1972-10-10 | Moody Ray Garwood | Self-cleaning bird bath |
US3995591A (en) * | 1976-01-28 | 1976-12-07 | Moody Ray Garwood | Self-cleaning bird bath |
Also Published As
Publication number | Publication date |
---|---|
AU1862499A (en) | 1999-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGA | Letters patent sealed or granted (standard patent) | ||
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |