author(s)
M Hazarika and SK Dutta

abstract
The population of P. marginatus showed positive relationship with max. temperature, min. temperature and BSSH. Rainfall, relative humidity (morning and evening) and wind velocity showed significant negative relationship on all the three host plants during 2017, while the population of P. marginatus showed positive relationship with max. temperature, min. temperature and BSSH. Rainfall, relative humidity (Morning and evening) and wind velocity showed significant negative relationship on all the three host plants during 2018. P. marginatus is an important pest of papaya and it has got two other commonly available host plants- mulberry and acalypha.