FIG. 17 in A new taxonomic status for Darwin's "predicted" pollinator: Xanthopan praedicta stat. nov. (Lepidoptera Sphingidae Sphinginae)

FIG. 17. — Xanthopan morganii: trend of increasing proboscis length with moth size (2nd order polynomial trendline made with Excel). – x-axis: forewing length (cm); y-axis: proboscis length (cm). – data points correspond to average values; the standard deviation for a given point is represented by a vertical line.