Abstract
The objective of this research will evaluate the insecticidal activity of extracts obtained from bark, flowers and leaves of Handroanthus impetiginosus to diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae) larvae. The extracts will be obtained from the bark, flowers and leaves using a process of cold maceration of the plant parts, spraying, filtration and rotary evaporator c…