JP6577730B2 - Pest control composition, pest control aerosol product, and pest control method - Google Patents

Description

  The present invention relates to a pest control composition, a pest control aerosol product, and a pest control method. The composition for pest control according to the present invention can quickly control various pests.

  As an active ingredient of an insecticide, 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl 3- (2-cyano-1-propenyl) -2,2-dimethylcyclopropane, which is a kind of pyrethroid insecticide Carboxylates are known (Patent Document 1). And the insecticide which contains the said insecticidal component as an active ingredient is known (patent documents 2-6).

JP 2004-2363 A JP 2008-273944 A JP 2008-273945 A JP 2008-273946 A JP 2008-273947 A JP 2009-91353 A

Although the insecticides in the patent literature have an excellent insecticidal effect, the development of insecticides that can efficiently control a wider range of pests is desired.
Therefore, an object of the present invention is to provide a pest control composition capable of quickly controlling a wide range of pests and a pest control method using the same.

  The present inventors have identified 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl 3- (2-cyano-1-propenyl) -2,2-dimethylcyclopropanecarboxylate (hereinafter referred to as “the ester of the present invention”). As a result of repeated studies on a pest-control composition comprising an active ingredient as an active ingredient, a combination of the ester compound of the present invention with benzyl alcohol has a rapid effect on a wider range of pests including moth pests. Found that it can be disinfected.

The present invention includes the following components (A), (B) and (C):
(A) the ester compound of the present invention,
(B) benzyl alcohol,
(C) paraffinic solvent,
It is a composition for pest control characterized by containing.

  In the ester compound of the present invention, there are isomers derived from two asymmetric carbon atoms present on the cyclopropane ring and isomers derived from a double bond. Any isomer in any ratio can be used as component (A).

  The composition for pest control according to the present invention can quickly control various pests including moth pests.

It is a perspective view which shows the structure of the test apparatus used in the Example.

  In the composition of the present invention, the content of the component (A) may be an amount that exhibits an insecticidal effect against the pests to be controlled, preferably 0.01 to 1.0% by weight, more preferably Is 0.03 to 0.5% by weight.

  In the composition of the present invention, the content of benzyl alcohol as component (B) is usually 0.1 to 20% by weight, preferably 0.5 to 10% by weight.

  As the paraffin solvent that is the component (C), for example, various isoparaffin solvents or normal paraffin solvents can be used. The said paraffinic solvent may use only 1 type, and may use 2 or more types together.

  By including a propellant in the pest control composition of the present invention, a pest control aerosol can be obtained. There are no particular limitations on the type of propellant, and known propellants such as liquefied petroleum gas (LPG), dimethyl ether (DME), and various fluorocarbons can be used.

  A pest control aerosol product can be obtained by filling an aerosol container with a pest control composition further containing a propellant (pest control aerosol). There is no limitation in particular as an aerosol container, For example, the well-known aerosol container provided with a pressure | voltage resistant container, an aerosol valve, an actuator, etc. can be used. Moreover, in order to raise an internal pressure in order to raise injection force, you may further fill an aerosol container with nonflammable gas as needed. Examples of nonflammable gases include nitrogen and carbon dioxide. As the internal pressure of the aerosol container, the initial internal pressure at 20 ° C. is preferably about 0.3 to 0.8 MPa (gauge pressure).

  The composition for controlling pests of the present invention may appropriately contain other components as long as the effects of the present invention are not impaired. Examples of other components include efficacy enhancers, stabilizers, fragrances and the like. Examples of potency enhancers include piperonyl butoxide (PBO), N- (2-ethylhexyl) -5-norbornene-2,3-dicarboximide (MGK-264), octachlorodipropyl ether (S- 421) and the like. Examples of the stabilizer include dibutylhydroxytoluene (BHT), butylhydroxyanisole (BHA) and the like.

  Further, the pest control composition of the present invention may appropriately contain an insecticidal component other than the ester compound of the present invention, an auxiliary component other than benzyl alcohol, and a solvent other than the paraffinic solvent as long as the effects of the present invention are not impaired. Good. Examples of the insecticidal component include pyrethroid compounds other than the ester compounds of the present invention, organophosphorus compounds, carbamate compounds, neonicotinoid compounds, and the like.

  Examples of pyrethroid compounds include acrinathrin, allethrin, beta-cyfluthrin, bifenthrin, cycloprotothrin, cyfluthrin, cyfluthrin. Permethrin, empentrin, deltamethrin, esfenvalerate, ethofenprox, fenpropratrin, fenvalerate, fenvalerate (Flucytrinate), flufenprox, flumethrin, fluvalinate, halfenprox, imiprothrin, perthrin, threthrin, p Resmethrin, sigma-cypermethrin, silafluofen, tefluthrin, tralomethrin, transfluthrin, transfluthrin. methathrin, phenothrin, cyphenothrin, alpha-cypermethrin, zeta-cypermethrin, lambda cihalothrin (lambda-halothrin). ), Furamethrin, tau-fluvalinate, metofluthrin, mepafluthrin, dimefluthrin, 2, 3, 5, 6-tetrafluoro-4- (methoxymethyl) 2,2-dimethyl-3-[(1Z -3,3,3-trifluoro-1-propenyl] cyclopropanecarboxylate), 2,3,5,6-tetrafluoro-4- (methoxymethyl) benzyl = 2,2,3,3-tetramethylcyclo Examples thereof include propanecarboxylate, 2,3,5,6-tetrafluoro-4- (2-propynyl) benzyl = 2,2,3,3-tetramethylcyclopropanecarboxylate, and the like.

  Examples of the organophosphorus compounds include acephate, aluminum phosphide, butathiofos, cadusafos, chlorethoxyphos, chlorfenvinphos, chlorfenvinphos ), Chloropyrifos-methyl, cyanophos (CYAP), diazinon, DCIP (dichlorodipropionether), dichlorfenthion (ECP), dichlorvos (D) Dimethoate, dimethylvinphos, disulfoton, EPN, etion, ethoprofos, etrimfos, fentionion: MPP, fetrothion, MPE fothiazate, formothion (formulation), hydrogen phosphide, isofenphos, isoxathion, malathion, mesulfenfos, methidathion P), monocrotophos, nared (BRP), oxydeprofos (ESP), parathion, fosarone, phosmet (PMP), pirimiphosmethyl-pirimidiphos-methypi-thyrithion (Pyridafenthion), quinalphos, phentoate (PAP), profenofos, propopafos, prothiofos, pyrachlorfos, prothioul, p Tebupirimfos, temephos, tetrachlorbinphos (tetrachphos), terbufos, thiomethon, trichlorphon (DEP), bamidithios, vamidothionate, vamidothionate, Etc.

  Examples of carbamate compounds include alaniccarb, bendiocarb, benfuracarb, BPMC, carbaryl (carbaryl), carbofuran, carbosulfane, carbosulfane, carbosulfane, (Ethiofencarb), fenobucarb, phenothiocarb, phenoxycarb, furathiocarb, isoprocarb (MIPC), methocarb (MIPC), methocarb (Methiocarb), NAC, oxamyl (oxamyl), pirimicarb (pirimicarb), propoxur (propoxur: PHC), XMC, thiodicarb (thiodicarb), xylylcarb (xylylcarb), and the like aldicarb (aldicarb).

Examples of neonicotinoid compounds include imidacloprid (imidac1opr).
id), nitenpyram, acetamiprid, thiamethoxam, thiacloprid, dinotefuran, and clothianidin.

  These insecticidal components can be used alone or in combination of two or more, and some of the above compounds have optical isomers, stereoisomers, geometric isomers, etc. Any of them can be used.

  The pest control method of the present invention applies the pest control composition of the present invention to a pest habitat. For example, the pest can be controlled by spraying the pest control composition of the present invention directly on the pest habitat, including spraying the pest directly.

  Examples of the types of pests to be controlled according to the present invention include moth pests and flying pests.

  Examples of the insect pests to be controlled according to the present invention include stink bugs, beetles, scallops, ants, coral bugs, rotifers, geese, centipedes, millipedes, butterflies, chironomids, flies such as fleas and fruit flies. , Spiders, slugs, and the like. Specific examples include the following.

  Japanese planthoppers such as Japanese brown planthoppers (Laodelphax striatellus), Japanese planthoppers (Nilaparvata lugens), Japanese white planthoppers (Sogatella furcifera), Nephotettix cincticeps, Nephotettix virescenez, Nephotettix virescenez (Riptortus clavetus), Eysarcoris lewisi, Eysarcoris parvus, Platya stali, Halyomorpha mista, Trinotus, Trinotus ruficornis) and other insects such as stink bugs and pheasants.

  Common moths such as Chilo suppressalis, Cnaphalocrocis medinalis, Notarcha derogata, Plodia interpunctella, Spodoptera litura, Pseudaletia separata, Pseudaletia separata Nodules such as genus, white butterflies such as Pieris rapae, genus Adoxophyes, Grapholita molesta, Adoxophyes orana fasciata, and other species such as Cydia pomonella, mosina ni pon Siniga, etc., Anemone, such as Rionetia, Dogam, such as Limantria, Euproctinis, Suga, such as Plutella xylostella, and Kibaga, such as Pectinophora gossypiella Lepidopterous insects of the mosquitoes such as Hyphantria cunea, tigers such as Tinea translucens, Tineola bisselliella, and killer whales such as Monk killer whale.

Chironomidae, Delia platura, Dela antiqua, etc., Flyfly, Liriomyza trifolii, etc. Flea flies such as Megaselia spiracularis, butterflies such as Clogmia albipunctata, Diptera pests such as flyfish, abs, and flies,
Weevil such as Azuki beetle (Callosobruchuys chienensis), Tenebrio molitor, Thornium beetle such as Tribolium castaneum, Dermestes maculates such as Dermestes maculates Coleopterous insects such as bark beetles, longhorn beetles, leopard beetles, longhorn beetles, longhorn beetle (Paederus fuscipes),
Black-tailed ants, white-tailed ants, white-tailed ants, giant clams, long-tailed ants, black-tailed ants, Monomelium pharaosis, black-tailed ants (Formica fusca japonica), rugliari (Ochetellus glaber), red-tailed ants (Pristomyrmex pungens), heidole Ants, Polistes chinensis antennalis, Toga Riftamon bee (Polistes riparius), Sesca wasp (Polistes jadwigae), Papilio rothneyi, Polistes mandarinus, Polistes mandarinus, Polistes mandarinus, Poises mandarinus Yamato wasp (Polistes japonicus) and other wasps, Vespa mandarinia japonica, Vespa simillima, Vespa analis insularis, Hornet ( Vespa crabro flavofasciata, Vespa ducalis, Vespula flaviceps lewisii, Vespula shidai, hornet japonicus (Dilichovespula media) ) Hymenoptera such as wasps.

  Coleoptera, grasshoppers, crickets, etc .; Diptera, earworms, etc .; Yamato termites (Reticulitermes speratus), termites (Coptotermes formosanus), Eastern subterranian termitites (Reticulitermes flavipes), Western subterranian termites (Reticulitermes he Dark Southern Subterranean Termite (Reticulitermes virginicus), Arid Land Subterranian Termite (Reticulitermes tibialis), Desert Subterranian Termite (Heterotermes aureus), etc. Termite pests such as dumpwood termites such as dumpwood termitite (Zootermopsis nevadensis); Chatterworms; spiders such as hium japonicum and Latrodectus hasseltii; limbs such as Thereuonema hilgendorfi and Scolopendra subspinipes; Oxidus gracilis; Isopods such as Armadillidium vulgare; gastropods such as Limax marginatus and Limax flavus.

  Hereinafter, the present invention will be described more specifically with reference to examples. However, the present invention is not limited to these examples.

1. Manufacture of oil agent Various oil agents (formulation example 1, comparative examples 1-3) of the following composition were manufactured.

<Composition>
Component (A):
The ester compound of the present invention (mon fluorotrin: manufactured by Sumitomo Chemical) 0.13% by weight
Component (B): 1.30% by weight
Component (C):
Isoparaffin (trade name: IP Solvent 2028, manufactured by Idemitsu Kosan Co., Ltd.): remainder

<Component (B)>
Formulation example 1: benzyl alcohol (trade name: benzyl alcohol U, manufactured by Tokyo Ohka Kogyo Co., Ltd.)
Comparative Example 1: Ethanol (grade: industrial ethanol)
Comparative Example 2: Isopropyl alcohol (trade name: Tokuso IPA, manufactured by Tokuyama)
Comparative Example 3: Dichloromethane (grade: reagent grade 1)

2. Manufacture of an aerosol agent Five types of aerosol agents (formulation example 2-3, comparative example 4-6) which consist of a mixture ratio shown in Table 1 were manufactured.

Furthermore, the aerosol product which filled each aerosol agent was produced using the following member.
・ Pressure can for aerosol: AE480NYNG (made by Hokkai Sumi)
・ Valve: Stem hole diameter φ0.5 × 1mm, housing hole diameter φ2.0mm (Mitani Valve)
・ Injection button: Diameter of injection port φ1.2mm (Mitani valve)

3. Oil agent direct spray test for cockroaches (Test Example 1)
About the oil agent of the formulation example 1 and Comparative Examples 1-3, the oil agent direct spray test with respect to a cockroach was done using the chamber for direct spraying shown in FIG.
As shown in FIG. 1, 10 black cockroaches were put in a cup 1 whose upper part was covered with a nylon mesh, and placed in the center of the bottom part of the stainless steel chamber 2. After thoroughly shaking the oil agent of Formulation Example 1 or Comparative Examples 1 to 3, 2.5 mL of each oil agent was directly sprayed toward the cup 1 with the spray gun 3 provided on the top surface of the stainless steel chamber 2. After spraying, the number of knockdown (KD) insects was investigated over time, and the KD rate (%) after 30 seconds after spraying and the time (seconds) until the total number reached KD were recorded. The test was performed 3 times and the average value was adopted.

  The results are shown in Table 2.

4). Aerosol direct spray test against various pests (Test Example 2)
Ten test insects were put in a plastic cup (only centipede was put one by one), and using the aerosol product prepared in 2 above, the aerosol agent of Formulation Example 2 or Comparative Examples 3 to 5 was separated from the position 50 cm away. Sprayed for 2 seconds. After spraying, the number of knockdown (KD) insects was investigated over time, and the KD rate (%) after 90 seconds after spraying and the time (seconds) until the total number reached KD were recorded. The test was performed three times (only centipede was performed five times), and the average value was adopted.

  The results are shown in Tables 3 and 4.

Claims (5)

(A) 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl 3- (2-cyano-1-propenyl) -2,2-dimethylcyclopropanecarboxylate,
(B) benzyl alcohol, and (C) a paraffinic solvent,
A composition for pest control, comprising:   The pest control composition according to claim 1, which is used for pest control.   The pest control composition according to claim 1 or 2, further comprising a propellant.   An aerosol product for controlling insects, which is obtained by filling an aerosol container with the composition for controlling insects according to claim 3.   A pest control method comprising applying the pest control composition according to any one of claims 1 to 3 to a pest habitat.

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