Fig. 2

Photoperiodic diapause induction and determination and the comparison of two methods for determining egg diapause. a Diapause and un-embryonated eggs. b Diapause incidence of the Foshan strain, determined using yeast powder and food slurry. c Diapause incidence of the Guangzhou wild population, determined using yeast powder and food slurry. LD represents a 16 h light:8 h dark cycle; SD represents an 8 h light:16 h dark cycle. The data are from 3 biological replicates and are shown as the mean ± SD. P < 0.05 was considered to indicate statistical significance. NS indicates not significant. Bar = 100 μm. EB represents egg burster, and Oc represents ocelli