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. 2026 Aug 5;14:e21575. doi: 10.7717/peerj.21575

Table 2. Protergum and body size of Pteroptyx tener across larval stages.

Data are presented as mean ± SD (N), with ranges shown in parentheses below.

Stage Protergum size (mm) Body size (mm)
Width Length Width Length
L1 0.24 ± 0.04 (26) 0.23 ± 0.04 (26) 0.32 ± 0.07 (26) 1.51 ± 0.30 (26)
(0.14–0.33) (0.15–0.37) (0.18–0.40) (0.85–2.03)
L2 0.32 ± 0.04 (35) 0.31 ± 0.06 (35) 0.42 ± 0.05 (35) 2.16 ± 0.29 (34)
(0.22–0.38) (0.19–0.53) (0.31–0.52) (1.67–2.68)
L3 0.42 ± 0.05 (35) 0.45 ± 0.08 (35) 0.61 ± 0.11 (35) 3.30 ± 0.63 (34)
(0.33–0.51) (0.29–0.65) (0.41–0.83) (2.28–4.49)
L4 0.69 ± 0.08 (34) 0.68 ± 0.08 (34) 1.11 ± 0.16 (34) 5.44 ± 0.66 (34)
(0.54–0.87) (0.49–0.94) (0.81–1.57) (4.30–7.10)
L5 0.87 ± 0.08 (34) 0.78 ± 0.18 (34) 1.46 ± 0.18 (34) 6.70 ± 0.82 (34)
(0.70–1.04) (0.41–1.15) (1.05–4.64) (4.64–8.41)
L6 0.92 ± 0.08 (34) 0.93 ± 0.15 (34) 1.57 ± 0.13 (34) 7.11 ± 0.59 (34)
(0.71–1.06) (0.64–1.23) (1.31–1.84) (6.19–8.34)