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. 2017 Dec 14;10:304. doi: 10.1186/s13068-017-0986-7

Fig. 3.

Fig. 3

Scan 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 magnification