Provided is a novel agricultural/horticultural chemical for controlling pests in crop production such as agriculture and horticulture. An anilide compound or thioamide compound of a specific structure having a substituent shown by the formula (in the formula, R4 and R5 each independently represent a hydrogen, halogen, C1-3 alkyl group, C1-3 haloalkyl group, C1-3 alkoxy group, C1-3 haloalkoxy group, or hydroxyl group) is used as an active ingredient.本發明係提供一種於農業及園藝等之作物生產中用以防治有害生物之新穎性農園藝用藥劑。 本發明係使用具有 式(式中,R4及R5分別獨立地表示氫、鹵素、C1-3烷基、C1-3鹵代烷基、C1-3烷氧基、C1-3鹵代烷氧基或羥基)所表示之取代基之特定結構之醯替苯胺化合物或硫代醯胺化合物作為有效成分。無
