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Figure 4


Fig. 4 Transmission electron micrographs (TEMs) of sections of the structurally coloured scales of a sample of the lepidopteran species examined. (A,B) Urania fulgens blue, (C) Urania fulgens green, (D,E) Papilio ulysses, (F,G) Papilio zalmoxis, (H-J) Parides sesostris, (K,L) Troides brookiana. Scale bars, 500 nm (A,D, F,G), 200 nm (B,C,E,J,L), 2 µm (H), and 1 µm (K).