Feeding Behavior Of Chrysoperla Cornea (Stephens) (Neuroptera: Chrysopidae) On Natural Diet Under The Laboratory Conditions

: Maximum mean number of hatching / egg survival (86.50±2.90) was recorded when the Chrysoperlacarnea fed on Myzuspersicae followed by Aphis craccivora (75.25±2.28), Aphis gossypii (65.25±2.86) and Rhopalosiphummaidis(56.25±2.68). Lowest mean number of hatching / egg survival (43.00±2.48) was recorded when the Chrysoperlacarnea fed on Aphis fabae. Highest mean larval survival/ no.of pupae (73.00±2.48) were recorded when the Chrysoperlacarnea fed on Myzuspersicae followed by Aphis craccivora (67.00±3.93), Aphis gossypii (55.00±4.94) and Rhopalosiphummaidis(44.00±4.70). Lowest mean larval survival/ no.of pupae (20.00±1.87) was recorded when the Chrysoperlacarnea fed on Aphis fabae. Highest pupal weight (0.07±1.79) was recorded when the Chrysoperlacarnea fed on Myzuspersicae followed by Aphis craccivora Aphis gossypii and Rhopalosiphummaidis(0.04±1.31). Lowest mean pupal weight (0.03±2.06) was recorded when the Chrysoperlacarnea fed on Aphis fabae. Highest pupal survival/no.of adult emergence (75.75±1.49) was recorded when the Chrysoperlacarnea fed on Myzuspersicae followed by Aphis craccivora (65.50±2.39), Aphis gossypii (51.50±2.06) and Rhopalosiphummaidis(36.25±2.25). Lowest mean pupal survival/no. of adult emergence (12.75±1.10) was recorded when the Chrysoperlacarnea fed on Aphis fabae. Highest male sex ratio was recorded when the Chrysoperlacarnea fed on Myzuspersicae followed by Aphis craccivora (21.50±0.95), Aphis gossypii (18.00±0.40) and Rhopalosiphummaidis(13.25±0.75). Lowest mean male sex ratio (4.75±0.47) was recorded when the Chrysoperlacarnea fed on Aphis fabae. Highest female sex ratio (48.50±3.17) was recorded when the Chrysoperlacarnea fed on Myzuspersicae followed by Aphis craccivora Aphis gossypii (23.25±0.62) and Rhopalosiphummaidis(19.25±1.10). mean female sex ratio (9.50±2.32) was recorded when the Chrysoperlacarnea fed on Aphis fabae. Highest incubation was recorded when the Chrysoperlacarnea fed on Aphis fabae followed by Rhopalosiphummaidis(5.00±0.40), Aphis craccivora (4.00±0.40) and Aphis gossypii (3.75±0.47). Lowest mean incubation period (3.25±0.25) was recorded when the Chrysoperlacarnea fed on MyzuspersicaeHighest larval period (10.50±0.64) was recorded when the Chrysoperlacarnea fed on Aphis fabae followed by Rhopalosiphummaidis (10.00±0.40), Aphis gossypii (8.25±0.62) and Aphis craccivora(8.00±0.40). Lowest mean larval period (7.00±0.25) was recorded when the Chrysoperlacarnea fed on Myzuspersicae. Highest pupal period (7.75±0.25) was recorded when the Chrysoperlacarnea fed on Aphis fabae followed by Rhopalosiphummaidis (7.00±0.40), Aphis gossypii (5.50±0.28) and Aphis craccivora(5.25±0.47). Lowest mean pupal period (4.25±0.25) was recorded when the Chrysoperlacarnea fed on Myzuspersicae. Highest egg laying (2006.30±64.91) was recorded when the Chrysoperlacarnea fed on Myzuspersicae followed by Aphis craccivora (1830.00±32.40), Aphis gossypii (1254.80±38.50) and Rhopalosiphummaidis(1020.80±56.26). Lowest mean egg laying (729.80±8.06) was recorded when the Chrysoperlacarnea fed on Aphis fabae.