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DEVELOPMENT AND PREDATORY POTENTIAL OF GREEN LACEWING CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA : CHRYSOPHIDAE) ON DIFFERENT PREY INSECTS

Article Id: ARCC4643 | Page : 194 - 197
Citation :- DEVELOPMENT AND PREDATORY POTENTIAL OF GREEN LACEWING CHRYSOPERLA CARNEA (STEPHENS) (NEUROPTERA : CHRYSOPHIDAE) ON DIFFERENT PREY INSECTS.Agricultural Science Digest.2005.(25):194 - 197
N. Balakrishnan·, R.K. MuraU Baskaran and N.R. Mahadevan
Address : Department of Agricultural Entomology, Tamil Nadu Agricultural University, Agricultural College and Research Institute, Madurai - 625104, India

Abstract

The total grub period and pupal period varied from 8.60 (Helicoverpa armigera eggs) to 11.40 (H. armigeraneonate larvae), and 7.50 (Amrasca devastans) to 8.40 (H. armigera neonate larvae), respectively. The total life cycle of C. carnea from egg to adult emergence varied from 16.60 (Aphis craccivora) to 19.80 (H. armigeraneonate larvae) days. The total number of preys consumed by Chrysoperla carnea grubs was more onCorcyra cephalonica eggs (700.90) and less on A. devastans (270.00). Among the insect hosts, C. carnea grubs showed more preference to the host eggs and the final instar grub consumed more number of preys compared to earlier instars.

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