Table 2: Mean length (mm) and standard deviation (SD) of segment and total body length of Alphitobius diaperinus beetles and total body length of late instars (7–9th). Measured by microscopy on the anteroposterior axis.

SegmentFemale ( )Male ( )Late instars ( )
Length±SDLength±SDLength±SD

Head1.094±0.008a1.165±0.013a
Thorax1.355±0.010a1.382±0.008a
Abdomen4.682±0.030b4.333±0.020b

Total7.131±0.041c6.883±0.031c12.80±1.169d

a–dSample groups (late instar, female, and male) with the same letter are not significantly different ( ) (nonparametric 2-way ANOVA with Bonferroni posttests).