1-(Substituted-phenylcarbamoyl)-3-halophenyl-2-pyrazolines of the forumla ##STR1## in which R represents hydrogen or alkyl, R.sup.1 represents hydrogen or halogenophenyl, R.sup.2 represents hydrogen, halogenoalkoxy or halogenoalkylthio, R.sup.3 represents hydrogen, halogen, halogenoalkoxy or halogenoalkylthio and R.sup.4 represents halogen, With the proviso that one of the radicals R.sup.2 and R.sup.3 must represent halogenoalkoxy or halogenoalkylthio, which possess arthropodicidal properties.
具有节肢动物杀虫作用的式为##STR1##的1-(取代苯基)
氨基甲酰基)-3-卤代苯基-2-
吡唑烷,其中R代表氢或烷基,R.sup.1代表氢或卤代苯基,R.sup.2代表氢,卤代烷氧基或卤代烷基
硫醚,R.sup.3代表氢,卤素,卤代烷氧基或卤代烷基
硫醚,R.sup.4代表卤素,但必须满足R.sup.2和R.sup.3中的一个代表卤代烷氧基或卤代烷基
硫醚。