Abstract
The present study was carried out to study the relative seasonal abundance and damage potential of spotted pod borer, Maruca vitrata Fab. in pigeonpea for three consecutive seasons. The highest number of Maruca larval population as well as webbings per plant was recorded during 40th Standard Meteorological Week (SMW) during the three seasons, coinciding with the peak flowering stage of pigeonpea. The pod damage due to M. vitrata during different years (2015 to 2017) ranged from 19.50–24.50%, indicating the key pest status of this pod borer species in the region. Non-significant correlation was observed between the weather parameters and larval population of M. vitrata as well as number of webbings per plant. Out of three weather parameters analyzed, maximum temperature was found to exert significant influence on Maruca incidence.
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