GB2108845A - Insecticide composition for controlling insects which have an aquatic breeding site - Google Patents

Insecticide composition for controlling insects which have an aquatic breeding site Download PDF

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Publication number
GB2108845A
GB2108845A GB08133008A GB8133008A GB2108845A GB 2108845 A GB2108845 A GB 2108845A GB 08133008 A GB08133008 A GB 08133008A GB 8133008 A GB8133008 A GB 8133008A GB 2108845 A GB2108845 A GB 2108845A
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GB
United Kingdom
Prior art keywords
component
insects
derivatives
foam layer
alkyl
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.)
Withdrawn
Application number
GB08133008A
Inventor
Arnold Ivor Mcmullen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Southampton
Original Assignee
University of Southampton
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by University of Southampton filed Critical University of Southampton
Priority to GB08133008A priority Critical patent/GB2108845A/en
Publication of GB2108845A publication Critical patent/GB2108845A/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
    • A01N31/02—Acyclic compounds
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/16—Foams
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N37/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/12—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group, wherein Cn means a carbon skeleton not containing a ring; Thio analogues thereof
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action

Abstract

An insecticide composition for controlling insects which have an aquatic breeding site comprises a first component which forms either a monomolecular layer or an insoluble foam layer on the surface of a water catchment and a second component which attracts insects to the monomolecular layer or the insoluble foam layer.

Description

SPECIFICATION Insecticide composition for controlling insects which have an aquatic breeding site This invention relates to insecticide compositions for controlling insects which have aquatic breeding sites. In the specification of our Patent No. 1 557 804 there is disclosed a method of controlling the breeding of mosquitos by forming a monomolecular layer on the surface of a water catchment to reduce the number of mosquito pupae and larvae. The monomolecular layer is lethal to many species of mosquito pupae and larvae because the decrease in surface tension causes wetting of the respiratory trumpets of the pupae and larvae and also forms a physical barrier to surface penetration thus preventing oxygen uptake from the atmosphere by the larvae and pupae.
In the specification of our Patent No.
1 561 088 there is disclosed a method of controlling the breeding of insects which have an aquatic phase in their life cycle by forming an insoluble foam layer on the surface of a water catchment. This foam layer presents an impenetrable barrier to pupae and larvae of the insects, again wetting their respiratory system and preventing oxygen uptake.
Both these methods are effective in the control of breeding of the pupae and larvae of insects which have an aquatic phase in their life cycle. It has now been found that by incorporating an insect attracting composition into a monomolecular layer or an insoluble foam layer on the surface of a water catchment, ovipositing adult insects, for example, will be attracted thereto with consequent wetting of the legs or eggs of the insect leading to trapping or drowning. In our initial patent as described above it was not recognised that adults could be trapped by the monolayer or by the foam.
According to one aspect of the present invention there is provided an insecticide composition for controlling insects which have an aquatic breeding site comprising a first component which forms either a monomolecular layer or an insoluble foam layer on the surface of a water catchment and a second component which attracts insects to the monomolecular layer or the insoluble foam layer.
The first component may be any one or more of the compounds referred to in the specification of Patents Nos. 1 557 804 and 1 561 088. Thus the first component may include at least one compound of the general formula: CmH2m+, .(OR),OH or CmH2m+ . (OR. OB)nOH and/or at least one compound of the general formula: CmH2n+, . CO. (OR)nOH or CmH2m+, . CO. (OR . OB)nOH where R and B are alkylenes and may be the same or different, n is an integer in the range 1 to 20 and m is an integer in the range 10 to 24. Such a compound is capable of forming a monomolecular layer on the surface of a water catchment.
Alternatively, the first component may be any one or more of an alkyl polyglycol ether, a lipid, a polypeptide or a polymer, each of which is capable of forming an insoluble foam layer on the surface of a water catchment.
The second component may be selected from any one or more of the following types of compound: (a) Hydrolysed or degraded natural lipids; (b) Alkyl chains (e.g. dimethyloctadecane) and their derivatives; (c) Mono- and di-glycerides and their derivatives; (d) Alkyl alcohols (e.g. nonyl alcohol) and derivatives; (e) Alkyl acids (e.g. capric acid) and derivatives; (f) Alkyl ketones and carbonyls (e.g. 2nonanone) and derivatives; (g) Amina acids (e.g. phenylalanine); (h) Pheromones and ovipositing kairomones.
The second component may consist of natural compounds and/or synthetic compounds.
The first component of an insecticide composition according to the present invention forms a physical rather than chemical barrier to control insects which have aquatic breeding sites, such insects being, for example, mosquito, sandfly or blackfly: it is much less likely that resistant varieties of insect will develop to circumvent physical barriers. The second component of an insecticide composition according to the present invention attracts adult insects to the monomolecular layer or foam layer to trap the insects when they land on the surface of the water catchment. Consequently, insecticide compositions according to the present invention have both larvicide and adulticide properties which are physical in mechanism. Ideally an insecticide composition according to the present invention contains no toxic or pollutive materials and the materials used are preferably biodegradable.
1. An insecticide composition for controlling insects which have an aquatic breeding site comprising a first component which forms either a monomolecular layer or an insoluble foam layer on the surface of a water catchment and a second component which attracts insects to the monomolecular layer or the insoluble foam layer.
2. A composition as claimed in claim 1 in which the first component includes at least one compound of the general formula: CmH2mt . (OR)nOH
**WARNING** end of DESC field may overlap start of CLMS **.

Claims (5)

**WARNING** start of CLMS field may overlap end of DESC **. SPECIFICATION Insecticide composition for controlling insects which have an aquatic breeding site This invention relates to insecticide compositions for controlling insects which have aquatic breeding sites. In the specification of our Patent No. 1 557 804 there is disclosed a method of controlling the breeding of mosquitos by forming a monomolecular layer on the surface of a water catchment to reduce the number of mosquito pupae and larvae. The monomolecular layer is lethal to many species of mosquito pupae and larvae because the decrease in surface tension causes wetting of the respiratory trumpets of the pupae and larvae and also forms a physical barrier to surface penetration thus preventing oxygen uptake from the atmosphere by the larvae and pupae. In the specification of our Patent No. 1 561 088 there is disclosed a method of controlling the breeding of insects which have an aquatic phase in their life cycle by forming an insoluble foam layer on the surface of a water catchment. This foam layer presents an impenetrable barrier to pupae and larvae of the insects, again wetting their respiratory system and preventing oxygen uptake. Both these methods are effective in the control of breeding of the pupae and larvae of insects which have an aquatic phase in their life cycle. It has now been found that by incorporating an insect attracting composition into a monomolecular layer or an insoluble foam layer on the surface of a water catchment, ovipositing adult insects, for example, will be attracted thereto with consequent wetting of the legs or eggs of the insect leading to trapping or drowning. In our initial patent as described above it was not recognised that adults could be trapped by the monolayer or by the foam. According to one aspect of the present invention there is provided an insecticide composition for controlling insects which have an aquatic breeding site comprising a first component which forms either a monomolecular layer or an insoluble foam layer on the surface of a water catchment and a second component which attracts insects to the monomolecular layer or the insoluble foam layer. The first component may be any one or more of the compounds referred to in the specification of Patents Nos. 1 557 804 and 1 561 088. Thus the first component may include at least one compound of the general formula: CmH2m+, .(OR),OH or CmH2m+ . (OR. OB)nOH and/or at least one compound of the general formula: CmH2n+, . CO. (OR)nOH or CmH2m+, . CO. (OR . OB)nOH where R and B are alkylenes and may be the same or different, n is an integer in the range 1 to 20 and m is an integer in the range 10 to 24. Such a compound is capable of forming a monomolecular layer on the surface of a water catchment. Alternatively, the first component may be any one or more of an alkyl polyglycol ether, a lipid, a polypeptide or a polymer, each of which is capable of forming an insoluble foam layer on the surface of a water catchment. The second component may be selected from any one or more of the following types of compound: (a) Hydrolysed or degraded natural lipids; (b) Alkyl chains (e.g. dimethyloctadecane) and their derivatives; (c) Mono- and di-glycerides and their derivatives; (d) Alkyl alcohols (e.g. nonyl alcohol) and derivatives; (e) Alkyl acids (e.g. capric acid) and derivatives; (f) Alkyl ketones and carbonyls (e.g. 2nonanone) and derivatives; (g) Amina acids (e.g. phenylalanine); (h) Pheromones and ovipositing kairomones. The second component may consist of natural compounds and/or synthetic compounds. The first component of an insecticide composition according to the present invention forms a physical rather than chemical barrier to control insects which have aquatic breeding sites, such insects being, for example, mosquito, sandfly or blackfly: it is much less likely that resistant varieties of insect will develop to circumvent physical barriers. The second component of an insecticide composition according to the present invention attracts adult insects to the monomolecular layer or foam layer to trap the insects when they land on the surface of the water catchment. Consequently, insecticide compositions according to the present invention have both larvicide and adulticide properties which are physical in mechanism. Ideally an insecticide composition according to the present invention contains no toxic or pollutive materials and the materials used are preferably biodegradable. CLAIMS
1. An insecticide composition for controlling insects which have an aquatic breeding site comprising a first component which forms either a monomolecular layer or an insoluble foam layer on the surface of a water catchment and a second component which attracts insects to the monomolecular layer or the insoluble foam layer.
2. A composition as claimed in claim 1 in which the first component includes at least one compound of the general formula: CmH2mt . (OR)nOH or CmH2m+, . (OR. OB)nOH and/or at least one compound of the general formula: CmH2n+, . CO .(OR),OH or CmH2m+i . CO . (OR . OB)nOH where R and B are alkylenes and may be the same or different, n is an integer in the range 1 to 20 and m is an integer in the range 10 to 24.
3. A composition as claimed in claim 1 in which the first component is any one or more of an alkyl polyglycol ether, a lipid, a polypeptide or a polymer.
4. A composition as claimed in any preceding claim in which the second component is selected from any one or more of the following types of compounds: (a) Hydrolysed or degraded natural lipids; (b) Alkyl chains (e.g. dimethyloctadecane) and their derivatives; (c) Mono- and di-glycerides and their derivatives; (d) Alkyl alcohols (e.g. nonyl alcohol) and derivatives; (e) Alkyl acids (e.g. capric acid) and derivatives; (f) Alkyl ketones and carbonyls (e.g. 2nonanone) and derivatives; (g) Amina acids (e.g. phenylalanine); (h) Pheromones and ovipositing kairomones.
5. An insecticide composition substantially as herein described.
GB08133008A 1981-11-02 1981-11-02 Insecticide composition for controlling insects which have an aquatic breeding site Withdrawn GB2108845A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08133008A GB2108845A (en) 1981-11-02 1981-11-02 Insecticide composition for controlling insects which have an aquatic breeding site

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08133008A GB2108845A (en) 1981-11-02 1981-11-02 Insecticide composition for controlling insects which have an aquatic breeding site

Publications (1)

Publication Number Publication Date
GB2108845A true GB2108845A (en) 1983-05-25

Family

ID=10525574

Family Applications (1)

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GB08133008A Withdrawn GB2108845A (en) 1981-11-02 1981-11-02 Insecticide composition for controlling insects which have an aquatic breeding site

Country Status (1)

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GB (1) GB2108845A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002093A1 (en) * 1983-11-21 1985-05-23 University Of Southampton Insecticide composition
GR1002262B (en) * 1995-06-16 1996-04-25 Vioryl Chimiki & Georgiki Viom Mosquito abatement with natural products harmless for the health and the ecosystem.
WO2001080642A1 (en) * 2000-04-19 2001-11-01 Cognis Deutschland Gmbh Method for combating insects
WO2011006735A1 (en) * 2009-07-17 2011-01-20 The Genesis Corporation Method for removing insects from the exposed surface of a body of water

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985002093A1 (en) * 1983-11-21 1985-05-23 University Of Southampton Insecticide composition
US4707359A (en) * 1983-11-21 1987-11-17 Mcmullen Arnold I Insecticide composition for controlling insects which have an aquatic breeding site
GR1002262B (en) * 1995-06-16 1996-04-25 Vioryl Chimiki & Georgiki Viom Mosquito abatement with natural products harmless for the health and the ecosystem.
WO2001080642A1 (en) * 2000-04-19 2001-11-01 Cognis Deutschland Gmbh Method for combating insects
WO2011006735A1 (en) * 2009-07-17 2011-01-20 The Genesis Corporation Method for removing insects from the exposed surface of a body of water

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Legal Events

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732 Registration of transactions, instruments or events in the register (sect. 32/1977)
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)