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Quantitative comparisons of area ratios in the anterior forewings (AF), anterior hindwings (AH), and posterior hindwings (PH). Compartmental names with W (white) or B (black) at the end are indicated. a White area ratios among three wing regions. b Black/white ratios in the posterior hindwing region. c White area ratio versus black area ratio in the posterior hindwing region. d Scatter plot of black area ratio versus white area ratio
