Habrobracon hebetor (Say) (Hymenoptera: Braconidae) is a cosmopolitan, idiobiont, and gregarious ectoparasitoid, which can parasitize the larvae of several pyralid and noctuid moths. However, adult parasitoids require cold storage to ensure that adequate individuals are available when a pest outbreak occurs. To understand the effects of cold storage after acclimation on offspring fitness of H. hebetor, the de‑ velopment, fecundity, population parameters, and paralysis rate of the F₁ generation were evaluated using an age–stage, two‑sex life table. Four pairing treatments were used in this study, with refrigerated males and females (ReF×ReM), unrefrigerated females and refrigerated males (UnF×ReM), refrigerated females and unrefrigerated males (ReF×UnM), and unrefrigerated females and males (UnF×UnM, control). Cold storage after acclimation had no significant effect on the fecundity or oviposition period of F₀‑generation H. hebetor. Moreover, the survival rate (S_a = 61.43%), proportion of females (N_f/N = 0.41), intrinsic rate of increase (r = 0.3450), finite rate of increase (λ = 1.4121), net reproduction rate (R₀ = 149.47), and net paralysis rate (C₀ = 74.52) of ReF×UnM and UnF×UnM (S_a = 50.00%, N_f/N = 0.34, r = 0.3297, λ = 1.3881, R₀ = 155.69, C₀ = 62.90, re‑ spectively) treatments were significantly higher than those of the ReF×ReM treatment (S_a = 45%, N_f/N = 0.16, r = 0.2277, λ = 1.2558, R₀ = 68.81, C₀ = 31.61, respectively) (except for the S_a of UnF×UnM treatment), and there was no significant difference between the 2 treatments. Overall, it is advisable to avoid simultaneous cold storage of female and male parasitoids or to add unrefrigerated males appropriately when using cold‑stored parasitoids to control pests.