Movie 2

A female H. erato butterfly directs approaches toward a Y+ model (right side).

Ultraviolet and yellow reflectance but not fluorescence is important for visual discrimination of conspecifics by Heliconius erato

Susan D. Finkbeiner, Dmitry A. Fishman, Daniel Osorio, and Adriana D. Briscoe

Journal of Experimental Biology 2017. 220:1267-1276; doi: 10.1242/jeb.153593