Effects of neem oil (Azadirachta indica A. Juss) on midgut cells of predatory larvae Ceraeochrysa claveri (Navás, 1911) (Neuroptera: Chrysopidae)

► Effects of ingestion of neem oil on midgut cells of C. claveri were examined. ► Microvilli and cytoplasmic organelles showed cytotoxicity. ► Columnar cells showed pathologic changes of cell's death by necrosis.