The present invention relates to a 1,2,4-thiadiazole compound of the formula (I) represented by the formula (1): wherein R
1? represents C3-C7 alkynyl and X represents C4-C7 straight alkylene optionally substituted with one to four of R
2?, C4-C7 straight alkenylene optionally substituted with one to four of R
2?, ethylene-oxy-ethylene optionally substituted with one to four of R
4?, or ethylene-thio-ethylene optionally substituted with one to four of R
4?, R
2? represents a halogen atom, trifluoromethyl or C1-C4 alkyl, and R4 represents a fluorine atom or C1-C3 alkyl. The 1,2,4-thiadiazole compound has an excellent pests controlling activity, and can effectively control an pests such as insect pests, acarine pests and the like.
本发明涉及一种由式(1)表示的式(I)的
1,2,4-噻二唑化合物,其中R1?代表C3-C7炔基,X代表C4-C7直链烷基,可选地用一到四个R2?,C4-C7直链烯基,可选地用一到四个R2?,
乙二醇基
乙二醇,可选地用一到四个R4?,或者乙
硫基
乙二醇,可选地用一到四个R4?取代,R2?代表卤素原子、三
氟甲基或C1-C4烷基,R4代表
氟原子或C1-C3烷基。该
1,2,4-噻二唑化合物具有优异的害虫控制活性,可以有效地控制昆虫害虫、螨虫等害虫。