Examples of exuviae shed by Patanga japonica last instar nymphs after various treatments. Exuviae had no color with only a thin black line on the hind femurs in singly reared green nymphs (A), black patterns with a yellow background color in crowd-reared nymphs kept at room temperature (B), and in corazonin-injected nymphs kept at a high temperature (C), and had a few black areas with a bright yellow background color in the thoracic area in nymphs reared at a high temperature (D).