Fig. 2

Morphological characteristics dynamics of A. gossypii sexual females across the development. A Morphology of sexual females at five development stages. SF1 to SF4 represent the 1^st instar to 4^th instar nymphs of sexual females, respectively. SFA indicates sexual female adults. The scale bar is 200 μm. B–E Body length, body width, antenna length, and developmental duration of sexual females at 5 development stages were statistically analyzed by the one-way analysis of variance (ANOVA) to reveal the significance of differences between  each stage except for adulthood. The meanings of different letters (a, b, c, d, e) indicate significant differences. P-OP, pre-oviposition period; OP, oviposition period. F–I Ovaries of 2^nd, 3^rd, 4^th instar nymphs, and adult sexual females, respectively. The data were presented as mean ± standard errors of thirty biological replicates