Results of locusts visual sensitivity response to 100-2000 lx violet light after 1000-64600 lx orange light stimulation.(a) Visual trending intensity at 0-0.5 m, (b) Visual acuity aggregation effect at 0-1.0 m, (c) Visual inducing effect at 0-1.5 m, (d) visual response degree at 0-2.0 m.