Curve selection of four characters. A the red curve (Curve 1) is the outline of pronotum, which resampled into 50 semi-landmarks (SLM); the two green curves (Curve 2, 3) are outline of the carinae, which resampled into 15 SLM; two blue curves (Curve 4, 5) are the outline of lateral carinae, which resampled into 10 SLMB the curve is the outline of elytra, which resampled into 50 SLMC the curve is the outline of protibia, which resampled into 50 SLMD the curve is the outline of the left paramere, which resampled into 50 SLM.