Turn the temperature to turquoise: Cues for colour change in the male chameleon grasshopper (Kosciuscola tristis) (Orthoptera: Acrididae)

► Male chameleon grasshoppers change colour primarily in response to temperature. ► Colour change from black to turquoise occurs up to 10 times faster than the reverse. ► Colour change is decoupled from internal grasshopper body temperature.