Figure 2.

(a) Clear nail solution treatment applied to the dorsal surface of the male hindwing. (b) Untouched dorsal surface of control male hindwing. (c) Ventral hindwing of control males with applied solution. (d) Nail solution applied to the single antenna marked with an arrow (both female antennae were treated in the experiments). (e) Nail solution applied to the androconia present on the ventral forewing. (f) Dorsal forewing of control males with applied solution. (g) Black paint applied to ‘scented’ males, blocking pupils on the dorsal surface of forewing. (h) Black paint applied to ‘visual’ males on scales surrounding pupil.