Method for killing insects by heating fumigation

Fishing – trapping – and vermin destroying – Vermin destroying – Fumigators

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A01M 1300

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active

047457058

ABSTRACT:
In a method for knock down of injurious insects or for freeing a particular environment therefrom by heating fumigation comprising dipping a part of a porous absorptive wick in an insecticidal solution to allow it to absorb the solution and indirectly heating said wick around the top to fumigate the absorbed insecticidal solution, a method for knock down of injurious insects or for freeing a particular environment therefrom, which comprises exposing the insects to the vapor, characterized in that a C.sub.12 -C.sub.18 aliphatic saturated hydrocarbon solution containing as an active ingredient 2-methyl-4-oxo-3-(2-propynyl)cyclopent-2-enyl chrysanthemate is used as said insecticidal solution, a porous absorptive wick prepared by caking a powdery inorganic substance with a binding agent is used as said porous absorptive wick, and besides that said absorptive wick is indirectly heated around the top to a temperature in a range of from 105.degree. to 130.degree. C.

REFERENCES:
patent: 2784466 (1957-03-01), Burns
patent: 3934023 (1976-01-01), Okuno et al.
patent: 4163038 (1979-07-01), Nishimura
patent: 4228124 (1980-10-01), Kashihara

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