Life Cycle and Biology of Danaus Chrysippus (L.) (Plain Tiger) on Asclepias Curassavica (L.) at Andhra University Campus, Visakhapatnam.
Journal Title: IOSR Journal of Pharmacy and Biological Sciences (IOSR-JPBS) - Year 2016, Vol 11, Issue 3
Abstract
The Danaidae butterfly Danaus Chrysippus (Plain Tiger) it occurs throughout the year. The larval performance and life cycle of Danaus Chrysippus was studied at Andhra University campus using the leaves of Asclepias Curassavica as the larval host both in laboratory and in the natural conditions. The behavior and morphological characters of eggs, caterpillars, pupae and adult emergence were observed in the laboratory at 28o -30o c. The life cycle was completed in 17-18 days, with egg hatching 3 larvae 7-8, and pupae 7-8 days. The values of consumption index (CI), growth rate (GR), and approximate digestibility (AD) across the instars decreased as the larvae aged. The average values of the CI and GR are 0.97, 0.22 respectively, and that of AD is 74.43. But the values of both efficiency of conversion of digested food (ECD) and efficiency of conversion of ingested food (ECI) either increased or decreased from instar to instar.
Authors and Affiliations
K. Ella Rao, *G. Sujan Chandar2 ,, J. B. Atluri3
Keywords
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