Author(s): Vishambar, KL Painkra, PK Bhagat and GP Painkra

Abstract: Study on light trap catches insects in rice ecosystem revealed that seven adult populations i.e. rice stem borer, case worm, cricket, rove beetle, ground beetle, water beetle and mirid bug were catches on light trap at night during 2^nd week of July to 3^rd week of November 2023. Among these, rice stem borer, cricket and water beetle were recorded as predominantly throughout the study period, while peak population of stem borer was recorded on 2^nd week of October (4.57 adults), cricket was 1^st week of September (5.00 adults) and water beetle was 4^th week of July (74.86 adults), respectively. Similarly, predatory rove beetle and mirid bug were observed from 2nd week of July to till 4^th week of September and 2^nd week of July to 4th week of August, respectively whereas their peak activity recorded during 2^nd week of July (23.57 & 4.86 adults). The activity period of case worm was observed from 3^rd week of September to 3rd week of November, and peak activity period was observed during 1st week of November (2.94 adults). Ground beetle was observed from 1^st week of August to 3rd week of November, and peak activity was found to be on 1st week of September (5.00 adults). The correlation matrix revealed that all the catches populations exhibited non-significant with weather parameters except rove beetle population, where the maximum temperature (p<0.01) showed a significant and negative correlation with maximum catches of predatory rove beetle (r = -0.697**).

Pages: 30-33 | Views: 48 | Downloads: 20

Download Full Article: Click Here