JPS59164702A - Mixed insecticidal composition - Google Patents

Abstract

PURPOSE:The titled composition, containing a specific oxime ether derivative and a pyrethroid based insecticide or/and organic phosphoric acid ester based insecticide in combination, and having effect even on flies, mosquitoes, cockroaches, etc. by application thereof once. CONSTITUTION:A mixed insecticidal composition containing an oxime ether derivative expressed by formula I (R1 and R2 are H, alkyl, halogenated alkyl, alkoxyalkyl, alkenyl, alkynyl, alkylthio, phenyl, etc.; R3 and R4 are H or methyl; R5 is methyl or halogen; R6 is alkyl, methoxyl, halogen, CF3, etc.; X is O, S or methylene; Y is O or S; l is an integer 0-5; m is an integer 0-4; n is an integer 0-2) and a pyrethroid based insecticide, e.g. ''Tetramethrin'', or/and an organic phosphoric acid ester, e.g. ''Fenitrothion'' as active constituents.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is based on the general formula (1) (% formula %) [wherein R1 and R1 are the same or different, hydrogen radical 5, carbon atom 1 to 8 alkyl group, carbon atom Numbers 1-8
an alkyl group partially or entirely substituted with a halogen atom, an alkoxyalkyl group containing 2 to 3 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkynyl group having 2 to 4 carbon atoms, and 1 carbon atom. ~2 alkylthio group, phenyl group, pyridyl group, ph7lyl group or chenyl group. Further, by bonding R1 and R1 at the terminal, a saturated or unsaturated 5- or 6-membered ring containing 0 to 2 oxygen atoms or sulfur atoms in the ring can be formed. Rs and R4 are the same or different and represent a hydrogen atom or a methyl group, R: represents a methyl group or a halogen atom, and R6 is an alkyl group having 1 to 4 carbon atoms, a methoxy group, a halogen atom, a trifluoromethyl group or represents a nitro group; Represent each. ] This is a composition of dead grain insects characterized by a mixture of the oxime ether derivative represented by the formula, a pyrethroid insecticide, and an organophosphate insecticide. By treating a pest population with a mixture obtained by blending pest control agents or insecticides with different activities, it is possible to obtain a control effect that cannot be obtained with each single agent treatment.

In recent years, due to the construction of residential areas in the suburbs of cities, flies that are generated in livestock barns or surrounding manure and excrement have flown into surrounding residential areas, causing various public health problems. An effective method to prevent flying is desired. Conventionally, the method of extermination has been to spray insecticides in or around livestock barns, but although this method can control adult insects, it is not sufficiently effective against larvae in feces.

Therefore, the present inventors have discovered an insecticidal synthetic composition that not only acts on adult flies but also sufficiently acts on larvae, resulting in a reduction in the density of adult flies.

The composition of the present invention is applicable not only to flies but also to sharks, cockroaches,
Effective against pests such as flies, blackflies, and scale insects.

The pyrethroid insecticides used in the present invention include tetramethrin (N-(8,4,5,6-titrahydrophthalide)-methylchrysanthemate), phenothrin [8-phenoxybenzyl d,l-cis, Tran 7=-
') lisansemate], resmethrin [5-benzyl-
8-furylmethyl d, l-cis, trans-chrysansemate], permethrin [8-phenoxybenzyl d,
As organophosphate insecticides such as Il-cis, trans-8-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate], fenitrothion [0,0-dimethyl-0-( 8-methyl-4-
ditrophenyl) phosphorothioate], diazinon (0,0-diethyl-〇-(2-isobutyropyru-61-methy(5)-4-pyrimidinyl) phosphorothioate], dibuterex (2,2,2-)dichloro-l -hydroxyethyl) 0.0-dimethylphosphonate], fenthion [0,0-dimethyl-〇-(8-methyl-4-methylthiophenyl)phosphorothioate], etc., and oxime ether derivatives represented by general formula (I) Examples of the compounds include the following, but it goes without saying that the present invention is not limited to any of the compounds.

Note that the oxime ether derivative includes optical isomers based on R2 and R8 and geometric isomers based on R4 and R6, and it goes without saying that all of these are included in the present invention.

(6) Table 1 Oxime ether derivatives of general formula (1) (9) (10) (11) When the composition of the present invention is used as an insecticide, it usually includes a solid carrier, a liquid carrier, a surfactant, an oil thereof, Formulate into powder, etc.

Each preparation contains an oxy, methyl derivative, a pyrethroid insecticide or/and an organophosphate insecticide as active ingredients, in a weight ratio of 0.1 to 9'j%.
, preferably 20 to 80%.These formulations can be prepared according to conventional methods. In this case, the carriers include clays (e.g. kaolin, bentonite, acid clay, (14) pyrophyllite, sericite), talcs, and other inorganic minerals (e.g. hydrated silicon dioxide, pumice, diatom, sulfur powder, activated carbon). Fine powder or powder V materials such as these are removed.

Liquid carriers include alcohols (such as methyl alcohol and ethyl alcohol), ketones (such as acetone and methyl ethyl ketone), ethers (such as ethyl ether, dioxane, cellosolve, and tetrahydrofuran), and aromatic hydrocarbons. (e.g. benzene, toluene, xylene, methylnaphthalene), aliphatic hydrocarbons (e.g. gasoline, kerosene, kerosene), esters, nitriles, alcoholic amides (e.g. methylformamide, dimethylacetamide), halogenated Hydrocarbon degree such as dichloroethane, trichloroethylene, P'?
carbon chloride), etc. Examples of surfactants include alkyl sulfates, alkyl sulfonates, alkylaryl sulfonates, polyethylene glycol ethers, and polyhydric alcohol esters. In addition, usable fixing agents and dispersants include casein 1, gelatin, starch powder, CMC, gum arabic, alginic acid, lignin sulfonate, bentonite, molasses, vinyl alcohol, pine oil, agar, etc. Examples of the stabilizer include fPAP (isopropyl phosphate), TCP (licresyl phosphate), tall oil, epoxidized moieties, various surfactants, various rice fatty acids or their esters, and the like.

Next, some formulation examples and test examples will be shown, but the present invention is of course not limited to these.

Formulation Example 1 10 parts each of the compounds (1) to (112) of the present invention, 20 parts each of fenitrothion or phenothrin, and an emulsifier (,
20 parts of a mixture of teroxierase, styrene styrenated phenyl ether, polyoxyethylene styrenated phenyl ether polymer, and alkylaryl sulfonate) and 50 parts of xylene are added and mixed with thorough stirring to obtain each emulsion.

Formulation Example 2 0.1 part of each of the compounds of the present invention (1) to (112) is added to 0.1 part of phenothrin, white kerosene is added to each of them to dissolve them, and the total amount is 100 parts. Get the oil.

Formulation Example 8 20 parts of fenitrothion was added to 10 parts each of the compounds (1) to (112) of the present invention, 5 parts of an emulsifier (sodium lauryl sulfate) were added to each of them, and 65 parts of 800 mesh diatomaceous earth were added. In addition, Ka'? %, each wettable powder can be obtained by stirring and mixing thoroughly.

Formulation Example 4 2 parts of fenitrothion was added to 1 part of each of the compounds (1) to (112) of the present invention, each of which was dissolved in 20 parts of acetone, and the mixture was mixed with 1 part of each of the compounds (1) to (112) of the present invention. After adding 97 parts of TI Starck and thoroughly stirring and mixing in a crusher, acetone is removed by evaporation to obtain each powder.

(17) Formulation Example 5 10 parts of fenitrothion and 10 parts of tetramethrin were added to 5 parts each of the compounds (1) to (112) of the present invention. 20 parts of a mixture of a phenyl ether polymer and an alkylaryl sulfonate salt and 80 parts of xylene are added and mixed with thorough stirring to obtain each emulsion.

Test Example 1 Fifty male and female adult house flies were placed in a cage. on the other hand,
14 f of wheat bran, 2 f of powdered feed, and 28 g of water were thoroughly mixed, and 80 4-day-old house fly larvae were released into the thus prepared artificial medium for house flies. Oxime ether derivative (2?
) of 20 nL agent (oxime ether derivative (2'r)
Add 20 parts of emulsifier (polyoxyethylene styrenated phenyl ether, a mixture of (18) polymer of polyoxyethylene styrenated phenyl ether and alkylaryl sulfonate) and 60 parts of xylene, and stir and mix them well. Obtained. ] was diluted with water to a predetermined concentration. on the other hand,
A mixture was prepared by mixing each compound solution of fenvalerate and fenitrothion diluted with water to a predetermined concentration with the above diluted emulsion solution. This mixture and each single agent were sprayed in an amount of 20 g each into a cage containing adult house flies and a container containing house fly larvae. After spraying, the container containing the house fly larvae was placed in an adult cage treated with the same chemical, and the number of adults in the cage was then investigated. The results were calculated using the following formula as a corrected density index.

Graphs of these values are shown in FIGS. 1 and 2. In the area where the mixture was sprayed, the density of adult insects was kept low immediately after spraying, demonstrating that the composition of the present invention is effective.

[Brief explanation of the drawing]

FIGS. 1 and 2 are graphs showing the suppression of density of each drug obtained as a result of test examples. The vertical axis shows the corrected density, and the horizontal axis shows the number of days after spraying. 1←-Imaichi in Figure 1 is the oxime ether m conductor (
29) and fenvalerate, the density of 7f11 is suppressed, -111÷- is that of fenvalerate, -
→...b· represents that of the oxime ether derivative (29), respectively. ~→--→-1 in FIG. 2 represents the suppression of the density of the mixture of oxime ether derivative (29) and fenitrothion, -1~〒-1 represents that of fenitrothion, ---
・4... each represents that of the oxime ether derivative (29). (21 completed)

Claims (1)

[Scope of Claims] A compound insecticidal composition comprising an oxime ether derivative represented by the general formula F and a pyrethroid insecticide or/and an organic phosphate insecticide as active ingredients. (Rs) 1(Rs)m [In the formula, R1 and 几 are the same or different, hydrogen atom, alkyl group having 1 to 8 carbon atoms, 1 to 8 carbon atoms]
an alkyl group partially or entirely substituted with a halogen atom, an alkoxyalkyl group containing 2 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkynyl group having 2 to 4 carbon atoms, a carbon[-11kl ~2 alkylthio groups,
Represents a phenyl group, pyridyl group, furyl group or chenyl group. Furthermore, by bonding 几 and 1 at the terminal, a saturated ring containing 0 to 2 oxygen atoms or sulfur atoms in the ring. can form an unsaturated, 5- or 6-membered ring. R3 and R4 are the same or different and represent a hydrogen atom or a methyl group, R8 represents a methyl group or a halogen atom, and R6 is an alkyl group having 1 to 4 carbon atoms, a 5-methoxy group, a halogen atom, a trifluoromethyl group or represents a nitro group; respectively. ]