Abstract
The objective of this study will be to evaluate the insecticidal activity of extracts obtained from bark, flowers, leaves, fruits and seeds of Handroanthus impetiginosus on citrus psyllid, Diaphorina citri (Hemiptera: Psylloidea: Liviidae). The extracts will be obtained from the bark, flowers, leaves, fruits and seeds, using a process of cold maceration of plant parts, spraying, filtratio…