Fig. 3From: Insecticidal activity and possible modes of action of secondary metabolites of some fungal strains and wild plants as natural pesticides against Spodoptera frugiperdaCross section through untreated 4th-instar larvae of S. frugiperda, stained using hematoxyline, Eosin (H, E X200), showing normal fibrous and cellular layer of cuticle (CT) also normal basement and peritrophic membranes in the midgut (MG) as well as normal cells of fat bodies (FB)Back to article page