Fig. 5
Cross section through treated 4th-instar larvae of S. frugiperda by ethyl acetate extract of V. lecanii and stained using hematoxyline, Eosin (H,E X200), showing necrosis of some parts in cuticle layers (CT), no effects in cells of fat bodies (FB) and severe necrosis, dissolved and ruptured columnar cells and destroyed basement membrane of midgut (MG)