The present invention relates to a method of combating animal pests which comprises contacting the animal pests, their habit, breeding ground, food supply, plant, seed, soil, area, material or environment in which the animal pests are growing or may grow, or the materials, plants, seeds, soils, surfaces or spaces to be protected from animal attack or infestation with a pesticidally effective amount of at least one 6-halogeno[1,2,4]triazolo[1,5-a]-pyrimidine of the general formula (I), wherein X, R
1
, R
2
, R
3
and R
4
are as defined in claim
1
and/or the agriculturally useful salts thereof.
本发明涉及一种防治动物害虫的方法,其包括将动物害虫、它们的生活习性、繁殖地、食物供应、植物、种子、土壤、区域、材料或动物害虫正在生长或可能生长的环境,或需要保护免受动物攻击或侵害的材料、植物、种子、土壤、表面或空间,与至少一种6-卤代[1,2,4]三唑并[1,5-a]-
嘧啶的农药有效量接触,其通式为(I),其中X、R1、R2、R3和R4如权利要求1所定义,和/或其在农业上有用的盐。