Fig. 3From: Insect biorefinery: a green approach for conversion of crop residues into biodiesel and proteinScan electron micrographs of fiber a original corn stover, b residues digested by yellow mealworm (first-stage biorefinery), and c residues digested by black soldier fly (second-stage biorefinery), at (i) ×200 magnification and (ii) ×700 magnificationBack to article page