Life tables of the mango leaf webber pest, Orthaga exvinacea Hampson (Lepidoptera: Pyralidae) on different host plant leaves.
Rafeequ A. P. M. M., Ranjini K. R.
Author Affiliation: Department of Zoology, Malabar Christian College, Kozhikode, Calicut - 673 001, India.
Journal of Experimental Zoology, India 14 : 425-429
Abstract : Life table studies of the mango leaf webber pest, Orthaga exvinacea Hampson were conducted on three different host plant leaves. The basic life table is one of the most important conceptual and analytical tools in entomological research because it serves as a framework for organizing data on age-specific mortality and survival; provides detailed, transparent descriptions of the actuarial properties of a cohort; generates simple summary statistics such as life expectancy and survival rate; and has a basic form that can be expanded, condensed, or modified for analyzing different types of data. The life table information can be used to further develop integrated pest management programs. The raw data were analyzed based on the age-stage, two-sex life table. Age-specific mortality and survivorship data for the pest species is summarized in the form of life table. The result confirmed that there were no differences among host plants in terms of the development of immature stages of the mango leaf webber pest, Orthaga exvinacea Hampson. The host plants examined in this study are all suitable for the preimaginal development of Orthaga exvinacea Hampson.