Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40064-016-2969-8/MediaObjects/40064_2016_2969_Fig2_HTML.jpg)
Anterior forewing spots. a–d Variations of spots. e High magnification image of the anterior forewing spots with annotations. Four wing veins, R5, M1, M2, and M3, are marked. f Higher magnification image of e. Scale colors are indicated as follows: W (white), Bl (black), Y (yellow), Br (brown), and wBl (weak black)