Abstract
Bracon hebetor (Say) (Hymenoptera: Braconidae), is regarded as one of the most significant biocontrol agents of several pests. An experiment was designed to evaluate the effect of cold storage on the table table parameters. The emergence rate of parasitoids declined as the storage period increased (82.54 ± 2.19, 60.09 ± 2.11, 52.12 ± 4.52 and 48.67 ± 4.20%) after cold storage for one, two, three, and four weeks respectively. The life table parameters were negatively affected by cold storage. The intrinsic rate of increase (r) decreased (0.20 d-1) when pupa storing for 4 week. The net reproduction rate (R0) and the finite rate of increase (λ) both displayed a similar trend. Also, the doubling time (DT) increased when compared to the control (2.36 ± 0.13 d). In conclusion, it is not advised to store the pupae at low temperatures for long durations. However, the cold storing is considered to some extent a suitable way for short-term storage.
Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
