Vol. 11, Special Issue 8 (2022)

Author(s):
Priyanka Nagdev, Beerendra, Krishna Gupta, Jayalaxmi Ganguli and RN Ganguli

Abstract:
Studies on the Feeding efficiency of Menochilus sexmaculatus on cowpea aphid, Aphis craccivora conducted in the Biocontrol laboratory, College of Agriculture, IGKV, Raipur, Chhattisgarh during 2021-22, indicated that, the feeding efficiency of M. sexmaculatus increased consequently from 1^st, 2^nd, 3^rd and 4^th instar grubs by consuming an average number of 16.38±0.136, 34.50±0.052, 54.63±0.032, 75.50±0.056 aphids per day respectively. Mean consumption of aphids by male was 85.66±0.058 aphids/day, while the mean maximum number of aphid consumption by adult female of M. sexmaculatus was 92.55±0.017 aphids/day.