Crude extracts of Vitex negundo seeds were tested for insecticidal activity against five insect pest species andsafety to the multicolored ladybeetle (Harmonia axyridis).

• 研究了黄荆种子二氯甲烷提取物对5种害虫的杀虫活性以及对天敌异色瓢虫的安全性。