356 P. N. Magar et al.
Table 3 Feeding potential of C. carnea
Treatment No. of prey consumed by Chrysoperla larvae
R1 R2 R3 R4 R5 Mean
Cotton aphids 195.00 195.67 198.67 205.67 195.33 198.1
Cotton jassids 152.33 144.67 146.00 149.67 146.33 147.8
Helicoverpa eggs and neonate 175.67 180.00 180.33 185.67 184.00 181.1
‘F’ test Sig.
SE(m) ± 1.735
CD at 5 % 5.344Table 4 Pupal period of C. carnea
Treatment Pupal period of Chrysoperla in days
R1 R2 R3 R4 R5 Mean
Cotton aphids 6.33 6.00 6.00 6.33 6.33 6.2
Cotton jassids 6.33 7.00 6.67 6.67 6.67 6.67
Helicoverpa eggs and neonate 6.33 6.67 6.00 6.33 6.67 6.40
‘F’ test Sig.
SE(m) ± 0.107
CD at 5 % 0.328Table 5 Adult longevity of male Chrysoperla
Treatment Adult male longevity in days
R1 R2 R3 R4 R5 Mean
Cotton aphids 25.00 26.00 27.33 27.33 27.00 26.53
Cotton jassids 24.00 23.00 23.67 23.67 24.67 23.80
Helicoverpa eggs and neonate 24.33 24.67 26.00 27.00 25.00 25.40
‘F’ test Sig.
SE(m) ± 0.415
CD at 5 % 1.279Table 6 Longevity of adult C. carnea female
Treatment Adult female longevity in days
R1 R2 R3 R4 R5 Mean
Cotton aphids 37.33 39.67 38.67 38.00 37.33 38.20
Cotton jassids 34.67 37.00 36.67 33.33 34.33 35.20
Helicoverpa eggs and neonate 37.00 34.67 35.67 37.33 36.67 36.26
‘F’ test Sig.
SE(m) ± 0.557
CD at 5 % 1.711