Vol. 11, Issue 9 (2022)

Author(s):
Pushp Raj, Vinod Kumar, Anupam Kumar, Alok Kumar, Kailash Sati, Sachin and Arjun Thakur

Abstract:
Bruchus pisorum L. (Coleoptera Bruchidae) is a major stored pest of pea crop in India. Biology of pea weevil B. pisorum L. was studied at Abhilashi University Mandi Himachal Pradesh during 2021-2022 in the laboratory condition. The average of egg period ranges from 4 to 7 days with mean of 4.50±0.017 days, and total larval period range from 24-28 days with an average of 26.40±0.044 days, and the total pupal period range from 6 to 9 days with mean of 6.50±0.024 days. the total life cycle from egg to adult as 90 to 98 days in males with an average of 98.82±0.0086 days and 119 to 143 days with mean of 125.10±0.096 days in females during the winter with 4 instars.