EP2595478A2 - Appât en gel conçu pour lutter contre des insectes nuisibles rampants - Google Patents

Appât en gel conçu pour lutter contre des insectes nuisibles rampants

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Publication number
EP2595478A2
EP2595478A2 EP11731393.2A EP11731393A EP2595478A2 EP 2595478 A2 EP2595478 A2 EP 2595478A2 EP 11731393 A EP11731393 A EP 11731393A EP 2595478 A2 EP2595478 A2 EP 2595478A2
Authority
EP
European Patent Office
Prior art keywords
bait
capsules
insects
baits
bait according
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Withdrawn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
EP11731393.2A
Other languages
German (de)
English (en)
Inventor
Volker Gutsmann
Thomas Böcker
Guenther Nentwig
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.)
Bayer Intellectual Property GmbH
Original Assignee
Bayer Intellectual Property GmbH
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 Bayer Intellectual Property GmbH filed Critical Bayer Intellectual Property GmbH
Priority to EP11731393.2A priority Critical patent/EP2595478A2/fr
Publication of EP2595478A2 publication Critical patent/EP2595478A2/fr
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • A01M1/20—Poisoning, narcotising, or burning insects
    • 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
    • A01N25/002—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 containing a foodstuff as carrier or diluent, i.e. baits
    • A01N25/006—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 containing a foodstuff as carrier or diluent, i.e. baits insecticidal
    • 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
    • A01N25/02—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 containing liquids as carriers, diluents or solvents
    • A01N25/04—Dispersions, emulsions, suspoemulsions, suspension concentrates or gels
    • 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
    • A01N25/26—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 in coated particulate form
    • A01N25/28—Microcapsules or nanocapsules
    • 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
    • A01N25/34—Shaped forms, e.g. sheets, not provided for in any other sub-group of this main group
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
    • A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
    • A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system
    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having no bond to a nitrogen atom
    • 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
    • A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
    • A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
    • A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
    • A01N47/38—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< where at least one nitrogen atom is part of a heterocyclic 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
    • A01N51/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring

Definitions

  • the invention relates to the provision of a new gel bait for controlling harmful insects, especially crawling insects. Furthermore, the invention relates to the use of such baits, to methods for preparing such baits and to methods of controlling harmful insects.
  • Baits can be provided in the form of granules. However, granules can only be applied to a horizontal construction, they can not be mounted on vertical structures. It is also possible to provide the baits as liquid formulations, also referred to as "paint formulations.” Such liquids are supplied to the consumer as a concentrate, and the consumer must prepare a dilution followed by spraying / painting for actual use.
  • WO 97/11602 describes baits for controlling insects, which baits consist of a hydrolyzable starting material and an active ingredient selected from a group of 1-arylpyrazoles. Furthermore, WO 91/07972 describes insect control baits consisting of carrageenan as gelling agent and of specific insecticides.
  • the baits commonly used in the course of storage lose their attractiveness for the corresponding insect pests due to loss of moisture or flavorings.
  • many added flavorings change their smell over a longer period of storage of the product.
  • Another disadvantage of the baits of the prior art is that by adding flavorings such as orange or banana flavor the bait also appears attractive to other animals such as dogs, cats or children. Through elaborate and accordingly expensive packaging or bait boxes, for example, access to the poison bait can be prevented.
  • capsules that contain these ingredients.
  • two types are distinguished. On the one hand, there are capsules with a core-shell structure in which the ingredient is surrounded by a wall or barrier. On the other hand, there are capsules in which the ingredient is distributed in a matrix of a matrix-forming material. Such capsules are also referred to as "speckies" and are used in liquid or gel detergents.
  • US 6,855,681 discloses a detergent composition comprising a matrix encapsulated active ingredient The matrix of capsules contains a hydrated anionic gum and the encapsulated active ingredient
  • Microcapsules are also described in DE-A 43 09 756. These comprise a core material which is coated with an impermeable coat of glutaraldehyde crosslinked gelatin The microcapsules have a controlled release of active ingredient.
  • WO 01/30144 discloses microspheres which have a hydrophilic matrix core and an adjacent second, ionically complexed layer. Alginates are mentioned as possible matrix materials. The active substance may be contained in the core matrix. The microspheres are added in the form of a suspension to aqueous or solvent-based solutions.
  • WO 00/32043 describes water-insoluble polymeric spheres comprising a polymeric matrix having a plurality of drops of a volatile hydrophobic compound.
  • the compounds are preferably pheromones.
  • Alginates are disclosed as the polymeric matrix.
  • the balls disclosed there also have a controlled release of active ingredient.
  • the object was to provide a bait without consuming and therefore costly packaging and does not attract attention to non-target living things. Also, the bait should also show a particularly good effect against larvae or nymphs.
  • baits which, in addition to an insecticidal active substance, also have capsules which are prepared by the dropping method and which contain one or more feeding stimulants in a polymeric matrix, achieve the object according to the invention.
  • the present invention thus relates to a bait comprising one or more insecticidal active substances, a bait material in the form of a gel, and water-insoluble, polymeric capsules having a diameter of 0.1 to 5 mm, preferably 0.5 to 2 mm, particularly preferably 0, 8 to 1.5 mm, which have a polymer matrix containing droplets of one or more feeding stimulants.
  • the baits according to the invention contain at least one insecticidal active ingredient.
  • Suitable insecticidal active substances are, for example:
  • Acetylcholinesterase (AChE) inhibitors such as
  • Carbamates e.g. Alanycarb, aldicarb, bendiocarb, benfuracarb, butocarboxime, butoxycarboxime, carbaryl, carbofuran, carbosulfan, ethiofencarb, fenobucarb, formetanate, furathiocarb, isoprocarb, methiocarb, methomyl, metolcarb, oxamyl, pirimicarb, propoxur, thiodicarb, thiofanox, triazamate, trimethacarb, XMC and xylylcarb; or
  • Organophosphates eg. Acephates, azamethiphos, azinphos (-methyl, -ethyl), cadusafos, chloroethoxyfos, chlorfenvinphos, chlormephos, chlorpyrifos (-methyl), coumaphos, cyanophos, demeton-S-methyl, diazinone, dichlorvos / DDVP, dicrotophos, dimethoates, dimethylvinphos, disulphoton , EPN, Ethion, Ethoprophos, Famphur, Fenamiphos, Fenitrothion, Fenthion, Fosthiazate, Heptenophos, Isofenphos, Isopropyl O- (methoxyaminothio-phosphoryl) salicylate, isoxathione, Malathion, Mecarbam, Methamidophos, Methidathione, Mevinphos, Monocrotophos, Naled, Ometho
  • GABA-controlled chloride channel antagonists such as organochlorines, e.g. Chlordane and endosulfan (alpha); or
  • Fiproles phenylpyrazoles
  • Ethiprole e.g. Ethiprole
  • Fipronil e.g. Fipronil
  • Pyrafluprole e.g. Pyrafluprole
  • sodium channel modulators / voltage dependent sodium channel blockers such as pyrethroids, e.g. Acrinathrin, allethrin (d-cis -trans, d-trans), bifenthrin, bioallethrin, bioallethrin S-cyclopentenyl, bioresmethrin, cycloprothrin, cyfluthrin (beta), cyhalothrin (gamma, lambda), cypermethrin (alpha, beta , theta, zeta), cyphenothrin [(R) trans isomers], deltamethrin, dimefluthrin, empenthrin [(EZ) (li) isomers], esfenvalerates, etofenprox, fenpropathrin, fenvalerates, flucythrinates, flumethrin , Fluvalinate (tau-), Halfenprox, Im
  • nicotinergic acetylcholine receptor agonists such as nicotinergic acetylcholine receptor agonists
  • Neonicotinoids e.g. Acetamiprid, clothianidin, dinotefuran, imidacloprid, nitenpyram, thiacloprid, thiamethoxam; or nicotine.
  • Allosteric acetylcholine receptor modulators such as spinosyns, e.g. Spinetoram and spinosad.
  • Avermectins / milbemycins e.g. Abamectin, Emamectin benzoate, Lepimectin and Milbemectin.
  • Juvenile hormone analogs e.g. Hydroprene, kinoprene, methoprene; or fenoxycarb; Pyritexyfen.
  • agents with unknown or non-specific mechanisms of action such as Fumigants, eg, methyl bromide and other alkyl halides; or chloropicrin; sulfuryl fluoride; Borax; Tartar emetic.
  • Microbial disruptors of insect intestinal membrane such as Bacillus thuringiensis subspecies israelensis, Bacillus sphaericus, Bacillus thuringiensis subspecies aizawai, Bacillus thuringiensis subspecies kurstaki, Bacillus thuringiensis subspecies tenebrionis, and BT plant proteins, e.g. CrylAb, CrylAc, CrylFa, Cry2Ab, mCry3A, Cry3Ab, Cry3Bb, Cry34 / 35Abl.
  • insect intestinal membrane such as Bacillus thuringiensis subspecies israelensis, Bacillus sphaericus, Bacillus thuringiensis subspecies aizawai, Bacillus thuringiensis subspecies kurstaki, Bacillus thuringiensis subspecies tenebrionis, and BT plant proteins, e.g. CrylAb, CrylAc, C
  • inhibitors of oxidative phosphorylation, ATP disruptors such as diafenthiuron; or
  • Organotin compounds e.g. Azocyclotine, cyhexatin, fenbutatin oxide; or propargite; Tetradifon.
  • Nicotinergic acetylcholine receptor antagonists such as Bensultap, Cartap (hydrochloride), thiocylam, and thiosultap (-sodium).
  • inhibitors of chitin biosynthesis, type 0, such as benzoylureas, e.g. Bistrifluron, chlorofluorazuron, diflubenzuron, flucycloxuron, flufenoxuron, hexaflumuron, lufenuron, novaluron, noviflumuron, teflubenzuron and triflumuron.
  • inhibitors of chitin biosynthesis type 1, such as buprofezin.
  • Moulting agents such as Cyromazine.
  • ecdysone agonists / disruptors such as
  • Diacylhydrazines e.g. Chromafenozide, Halofenozide, Methoxyfenozide and Tebufenozide. (19) Octopaminergic agonists, such as amitraz.
  • complex III electron transport inhibitors such as hydramethylnone; acequinocyl; Fluacrypyrim.
  • complex I electron transport inhibitors for example from the group of METI acaricides, eg fenazaquin, fenpyroximate, pyrimidifen, pyridaben, tebufenpyrad, tolfenpyrad; or Rotenone (Derris).
  • tetronic acid derivatives e.g. Spirodiclofen and spiromesifen
  • tetramic acid derivatives e.g. Spirotetramat.
  • complex IV electron transport inhibitors such as, for example, phosphines, e.g. B. Aluminum phosphide, calcium phosphide, phosphine, zinc phosphide; or cyanide.
  • ryanodine receptor effectors such as diamides, e.g. Chlorantraniliprole (Rynaxypyr), Cyantraniliprole (Cyazypyr) and Flubendiamide.
  • drugs with unknown mechanism of action such as azadirachtin, amidoflumet, benzoximate, bifenazate, quinomethionate, cryolites, cyflumetofen, dicofol, fluenerim, pyridalyl and pyrifluquinazone; or the following known effective compounds 4 - ⁇ [(6-bromopyrid-3-yl) memyl] (2-fluoroethyl) amino ⁇ furan-2 (5H) -one (be known from WO 2007/1 15644), 4 - ⁇ [( 6-Fluo ⁇ yrid-3-yl) methyl] (2,2-difluoroethyl) amino ⁇ furan-2 (5H) -one (known from WO 2007/1 15644), 4 - ⁇ [(2-chloro-1,3-hiazole -5-yl) methyl] (2-fluoroethyl) amino ⁇ furan-2 (5H) -one (known from
  • the insecticidal active ingredient is selected from the group comprising nicotinergic acetylcholine receptor agonists, fiproles, allosteric acetylcholine receptor modulators, voltage-dependent sodium channel blockers, and chloride channel activators
  • imidacloprid clothianidin, fipronil, spinosad, indoxacarb and abamectin.
  • the bait according to the invention contains fipronil.
  • the bait according to the invention contains clothianidin.
  • the baits according to the invention contain feedstuffs, feeding stimulants and optionally attractants.
  • Feeds are ingredients that are used to feed insects.
  • Feeding stimulants are all ingredients which in insects reinforce or prolong a feeding process.
  • attractants all substances are referred to, which can attract insects over distance. Mixtures of all three ingredients can be used. Preferably, however, only feeds and feed stimulants are used.
  • suitable food feedstocks used in baits are water, cereal powders such as wheat powder, corn powder, rice powder, rice bran and the like, starches such as potato starch, corn starch and the like, sugars such as sucrose, Maltose, arabinose, galactose, lactose, sorbitose, dextrose, fructose, sorbitol, corn syrup, maple syrup, molasses, coca-cola syrup, inverted invertebrates, mollasses, honey and the like, as well as glycerine and the like.
  • Egg whites such as meat, meat extracts, and milk powder, fish meal, fish extracts or, seafood, seafood extract, insects, insect extracts or, yeast, yeast extract and the like.
  • bait materials are fats and oils such as vegetable oils such as corn, olives, cumin, peanuts, sesame oil, soybeans, sunflower, animal fats and oils, as well as fish derived oils and the like. These bait materials may be used alone or as a mixture of one or more materials in any proportion. Particularly preferred are such feed substances such as water, simple or complex sugars, meat extracts, animal fats and oils.
  • suitable feeding stimulants used in baits are, for example, extracts of meat, fish or insects.
  • suitable for feeding stimulation are certain natural or synthetic flavoring agents, e.g. Meat flavors, fish flavors, seafood flavors, onion flavors, milk flavor, butter flavor, cheese flavors, fruit flavors, e.g. Apple, apricot, banana, blackberry, cherry, currant, gooseberry, grapefruit, raspberry or strawberry (pure, syrup or extract).
  • Particularly preferred feeding stimulants are, for example, extracts of meat, fish or insects and fruit flavors.
  • a particularly suitable fruit flavoring is banana flavor.
  • the bait material contains at least one bait substance and at least one feeding stimulant.
  • the capsules contained in the baits according to the invention preferably contain, in addition to the polymeric matrix, feeding stimulants and optionally attractants or dyes incorporated in this matrix.
  • the capsules contained in the baits according to the invention contain, in addition to the polymeric matrix, one or more feeding stimulants and dye.
  • the dropping method is used.
  • the monodisperse spherical capsules are obtained by dripping an aqueous mixture containing edible stimulants and water-soluble crosslinkable polymer and optionally dye and then crosslinking the polymer.
  • the amount of crosslinkable polymer in the aqueous matrix solution is preferably between 0.01% by weight and 5% by weight, more preferably between 0.1% by weight and 3% by weight and most preferably between 0, 5% by weight and 2% by weight.
  • the amount of feed stimulants used in the aqueous matrix solution is between 0.01 and 50 wt .-%, preferably between 0.05 and 10 wt .-% and particularly preferably between 0, l and 5 wt .-%.
  • the amount of dye used in the aqueous matrix solution is between 0.001 and 5 wt .-%, preferably between 0.05 and 1 wt .-% and particularly preferably between 0.08 and 0.1 wt .-%.
  • the crosslinkable polymer is water-soluble, so that it can be used to prepare the aqueous solutions having at least the stated upper concentration limits. It is preferably an ionotropic crosslinkable polymer. The latter is in particular selected from the group comprising carrageenan, alginate and gellan gum and mixtures thereof, and sodium alginate is particularly preferably used as the matrix-forming crosslinkable polymer.
  • the dropping method can be ensured in a simple manner that the particle is spherical, that is largely round, in particular that its diameter in all other spatial dimensions not more than 15%, preferably not more than 10% and particularly preferably not more than 5% smaller than its diameter along the largest spatial extent.
  • crosslinkable polymer forming the matrix is selected from a material selected from the group consisting of carrageenan, alginate and gellan gum and mixtures thereof, particularly preferred is sodium alginate.
  • Alginate is a naturally occurring salt of alginic acid and occurs in brown algae (Phaeophycea) as a cell wall component.
  • Alginates are acidic, carboxy group-containing polysaccharides with a relative molecular weight MR of about 200,000, consisting of D-mannuronic acid and L-guluronic acid in different ratios, which are linked to 1,4-glycosidic bonds.
  • the sodium, potassium, ammonium and magnesium alginates are water-soluble.
  • the viscosity of alginate solutions depends inter alia on the molecular weight and on the counterion. For example, calcium alginates form thermo-reversible gels at certain proportions.
  • Sodium alginates give very viscous solutions with water and can be cross-linked by interaction with di- or trivalent metal ions such as Ca 2+. Ingredients, which are also contained in the aqueous sodium alginate solution, are thus enclosed in an alginate matrix.
  • a CaCl 2 solution is used for crosslinking.
  • Carrageenan is an extract of the red algae (Chondrus crispus and Gigartina stellata) that belongs to the Floridae. In the presence of K + ions or Ca 2+ ions, carrageenan crosslinks.
  • Gellan gum is an unbranched anionic microbial heteroexopolysaccharide having a tetrasaccharide repeat unit consisting of the monomers glucose, glucuronic acid and rhamnose, wherein approximately each repeat unit is esterified with an L-glycerate and every other repeat unit is esterified with an acetate. Gellan gum cross-links in the presence of K + ions, nations, Ca 2+ ions or Mg 2+ ions. Of the materials mentioned for the matrix, alginate is preferred.
  • the crosslinkable polymer is first completely dissolved in water, and then the feed stimulant and optionally the dye are added and mixed.
  • This solution is referred to as Vertrop sympatsown.
  • the hardening bath is an aqueous cation-containing solution.
  • the dripping is then carried out by the Vertrop maringstress is transferred to a template and the curing bath in a collection container.
  • the dropping solution is pumped into the drip head.
  • the nozzle and thus the liquid flow is vibrated by a vibration unit, preferably a membrane.
  • the liquid jet breaks down into individual, equally sized drops.
  • the generated drops fall into the hardening bath and the dripping drops crosslink to capsules.
  • the capsules thus obtained are washed and bottled after production with demineralised water.
  • the capsules may have any shape in the production-related framework, but they are preferably at least approximately spherical. By the dripping is also easy to ensure that they are monodisperse, that is, all capsules are essentially the same size, since at constant dripping conditions from the same dropletizing droplets form the same.
  • the capsules may be colored.
  • the capsule may contain one or more colorants such as pigment or dye.
  • a particularly preferred pigment is indanthrene blue T-BC.
  • the bait according to the invention is in the form of a gel.
  • gels are colloids in which the dispersion phase has combined with the continuous phase to produce a gelatinous product having the following properties: dynamic viscosity between 4000 and 100,000 mPas, preferably 4000 to 10,000 mPas (20 ° C, Rotational viscometer, shear rate 10 / s).
  • the bait of the present invention can be prepared by mixing the gelling agent and water, liquefying the mixture by heating, adding the insecticidal active ingredient, the polymeric capsules, the bait material, or other excipients if necessary, and solidifying the mixture by cooling.
  • the products thus obtained may be formulated in any desired form by incorporation into a suitable form during the cooling and solidification process.
  • after solidification they can be shaped into any shape, including cutting, crushing, etc.
  • the bait according to the invention is prepared in such a way that the gelling agent and water are mixed, the insecticidal active ingredient, the bait material or, if necessary, other auxiliaries are added and the mixture is subsequently solidified by a change in pH.
  • the polymeric capsules are finally stirred into the gel.
  • Suitable gelling agents are any of a variety of hydrophilic substances used to form a gel by increasing the viscosity and yield strength of liquid mixtures.
  • the following may, for example, be mentioned as gelling agents according to the invention: starches, gellan gum, carrageenan gum, agar-agar, casein, gelatin, carob gum, anthan gum, jelutong gum, polysaccharide gums, phycokolloids, polyacrylate Polymer, semisynthetic cellulose derivatives (carboxymethyl cellulose, etc.), polyvinyl alcohol, carboxyvinylates, bentonites, silicates and colloidal silica.
  • These gelling agents may be used alone or as a mixture of two or more agents in any proportion.
  • Preferred gelling agents are xanthan gums and polyacrylate polymers. Particularly preferred gelling agents are Rhodopol G and Carbopol EZ-2.
  • the baits according to the invention may also contain other auxiliaries, such as stabilizers, quenchers, dyes or antiseptics.
  • Stabilizers are, for example, a calcium salt such as calcium lactate, calcium chloride and the like.
  • Suitable quenching agents are, for example, sharp or bitter substances such as guinea pepper powder, denaturant benzoate and the like.
  • a particularly preferred quenching agent is denaturant benzoate.
  • Antiseptics are, for example, sorbic acid, sorbinates, benzoic acid, benzoate, paraoxybenzoic esters, methylisothiazolinones, benzisothiazolinones, chloromethylisothiazolinones and the like.
  • antiseptics are sorbic acid, sodium benzoate, methylisothiazolinone, benzisothiazolinone and chloromethylisothiazolinone.
  • the content of insecticidal active compounds is generally between 1 ⁇ IGT 5 and 10% by weight
  • the content of gelling agent generally between 0, 1 and 5 wt .-%, preferably between 0.5 to 2 wt. -%
  • the content of bait materials generally between 10 and 70 wt .-%
  • the content of polymeric capsules between 1 and 10 wt .-% and other excipients between 0.1 and 25 wt .-%.
  • the baits of the invention can be used to control various crawling insects by placing them in places where insect pests live or pass them.
  • insects that can be fought, are not only insects, such as the German cockroach (Blattella germanica), the Oriental cockroach (Blatta orientalis), the American cockroach (Periplaneta americana) the brown cockroach (Supella longipalpa), but also flies, such as the house fly (Musca domestica) and ants, such as Turkeys (Tetramorium caespitum), Black-gray road ant (Lasius niger), Pharaoh ant (Monomorium pharanois), Argentine ant (Linepithema humile), Black-headed ant (Tapinoma melanocephalum).
  • insects such as the German cockroach (Blattella germanica), the Oriental cockroach (Blatta orientalis), the American cockroach (Periplaneta americana) the brown cockroach (Supella longipalpa), but also flies, such as the house fly (Musca domestica) and ants
  • the baits according to the invention are particularly preferred in the control of cockroaches, ie insects of the order Blattariae, in particular the family Blattellidae, preferably the species Blattella germanica or the family Blattidae, preferably the species Blatta orientalis and Periplaneta americana, but also against other cockroach species but used against Blattella germanica.
  • cockroaches ie insects of the order Blattariae, in particular the family Blattellidae, preferably the species Blattella germanica or the family Blattidae, preferably the species Blatta orientalis and Periplaneta americana, but also against other cockroach species but used against Blattella germanica.
  • Particularly preferred is the use of the bait according to the invention for controlling crawling insects, preferably from the order Blattariae, which are in the larval or nymphal stage.
  • the doses of insecticidal active substances in the baits according to the invention are generally between 1 ⁇ 10 -5 and 10% by weight.
  • bait compositions according to the invention also act against species such as, for example, pests of the order of the zygentomas, e.g. Lepisma saccharina;
  • Orthoptera eg Acheta domesticus, Gryllotalpa spp., • Dermaptera, eg Forficula auricularia;
  • Ratio of larval stages to adults A factor ⁇ 1 means more larvae than adults.
  • the analysis of the trap contents shows that in the product according to the invention the ratio is reversed, i. more adults are caught than larvae.

Abstract

L'invention se rapporte à la préparation d'un nouvel appât en gel conçu pour lutter contre des insectes nuisibles, en particulier des insectes rampants. Cette invention concerne en outre l'utilisation de tels appâts, des procédés de préparation de ces appâts et des procédés pour lutter contre des insectes nuisibles.
EP11731393.2A 2010-07-20 2011-07-15 Appât en gel conçu pour lutter contre des insectes nuisibles rampants Withdrawn EP2595478A2 (fr)

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EP10170117 2010-07-20
US36619910P 2010-07-21 2010-07-21
EP11152000 2011-01-25
EP11731393.2A EP2595478A2 (fr) 2010-07-20 2011-07-15 Appât en gel conçu pour lutter contre des insectes nuisibles rampants
PCT/EP2011/062126 WO2012010509A2 (fr) 2010-07-20 2011-07-15 Appât en gel conçu pour lutter contre des insectes nuisibles rampants

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AR (1) AR082770A1 (fr)
AU (1) AU2011281750B2 (fr)
BR (1) BR112013001477A2 (fr)
CL (1) CL2013000182A1 (fr)
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ZA201300141B (en) 2015-04-29
RU2572758C2 (ru) 2016-01-20
KR20130127416A (ko) 2013-11-22
RU2013107118A (ru) 2014-08-27
CN103025156A (zh) 2013-04-03
KR20190010721A (ko) 2019-01-30
TWI556736B (zh) 2016-11-11
WO2012010509A2 (fr) 2012-01-26
MX350120B (es) 2017-08-28
BR112013001477A2 (pt) 2016-05-31
KR102131333B1 (ko) 2020-07-08
TW201215316A (en) 2012-04-16
JP2013532642A (ja) 2013-08-19
CN103025156B (zh) 2015-08-26
AU2011281750A1 (en) 2013-02-21
MX2013000590A (es) 2013-03-05
AR082770A1 (es) 2013-01-09
CL2013000182A1 (es) 2013-05-17
AU2011281750B2 (en) 2014-07-03
WO2012010509A3 (fr) 2012-03-29
US20120017491A1 (en) 2012-01-26

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