none Low temperature storage studies were carried out at 5 degree C and 50-60% R H with Bracon brevicornis Wesmael an important indigenous parasite used for inundative releases against Opisina arenosella Wlk., a serious pest of coconut in India. Two day old adults of B. brevicornis stored for 30, 60 and 90 days gave 12.40%, 47.37% and 54.66% mortalities. Males were more susceptible when compared to females. With increase in the duration of storage, reduction in fecundity and longevity was observed and sex ratio was also found to be altered in favour of males.