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Figure 2. Fluorescence in R. speratus. Worker (A, C) of Coptotermes formosanus as a control and worker (B, D), nymph (E, F), and ergatoid (G, H) of Reticulitermes speratus under white light (A, B, E, G) and UV (output 300–400 nm) light (C, D, F, H).