1. A pesticidal composition comprising a carboxamide compound represented by the formula (I): [Chem. 1] gdeRpredstavlyaet a hydrogen atom or a methyl group, iRpredstavlyaet a methyl group, a difluoromethyl group or trifluoromethyl group, and one or more pyrethroid compounds selected from the group (A), consisting of tefluthrin, lambda-cyhalothrin, cypermethrin, beta-cyfluthrin, permethrin , deltamethrin and bifentrina.2. A pesticidal composition according to claim 1, wherein the weight ratio of pyrethroid compound to the carboxamide compound (s) is from 0.01 / 1 to 4/1 carboxamide compound / pyrethroid compound (I) .3. A pesticidal composition according to claim 1 or 2, wherein the pyrethroid compound is lambda tsigalotrin.4. A method of controlling pests, which comprises the step of treating a plant or soil where a plant grows with an effective amount of the carboxamide compound represented by the formula (I): [Chem. 2] gdeRpredstavlyaet a hydrogen atom or a methyl group, iRpredstavlyaet a methyl group, a difluoromethyl group or trifluoromethyl group, and one or more pyrethroid compounds selected from the group (A), consisting of tefluthrin, lambda-cyhalothrin, cypermethrin, beta-cyfluthrin, permethrin , deltamethrin and bifentrina.5. A method for controlling pests according to claim 4, wherein the weight ratio of pyrethroid compound to the carboxamide compound (s) is from 0.01 / 1 to 4/1 carboxamide compound / pyrethroid compound (I) .6. A method for controlling pests according to claim 4 or 5, wherein the compound is a pyrethroid lambda tsigalotrin.7. A method of controlling pests as claimed in any of claims 4-6, wherein the plant or1. Пестицидная композиция, включающая карбоксамидное соединение, представленное формулой (I):[Хим. 1]гдеR1 представляет собой атом водорода или метильную группу, иR2 представляет собой метильную группу, дифторметильную группу или трифторметильную группу,и одно или более пиретроидных соединений, выбранных из группы (A), состоящей из те
