Chilo tumidicostalis

Table 4 Body measurements of various stages of Chilo tumidicostalis (Hampson)
Stage of Width (mm) Length (mm)
development Mean±S.D. range Mean±S.D. range
Egg: 0.91±0.11 0.7-1.1 1.60±0.07 1.5-1.7
Larva: Inatar I 0.23±0.05 0.2-0.3 1.53±0.12 1.0-1.7
Instar II 0.51±0.10 0.4-0.7 3.08±0.46 2.4-3.9
Instar III 1.00±0.05 1.1-0.9 6.26±0.82 4.5-7.8
Instar IV 1.23±0.05 1.2-1.3 8.71±0.10 8.5-8.8
Instar V 2.29±0.10 2.1-2.5 13.53±0.91 12.9-14.6
Instar VI 2.53±0.05 2.5-2.6 18.24±0.26 17.7-18.7
Instar VII 3.30±0.22 3.0-3.8 23.06±1.05 21.0-25.0
Pupa: Male 3.30±0.21 2.9-3.5 13.97±0.77 12.1-14.8
Female 4.24±0.24 3.7-4.5 17.17±1.87 14.5-19.4
Adult: Male 24.58±0.59 23.4-25.0 11.49±0.30 11.0-11.8
Female 28.84±0.50 27.5-29.5 13.05±1.78 12.2-13.0
27