Brood failure of Nicorphorus vespilloides females on mouse carcasses aged for seven days and on fresh carcasses, collected for Experiment 1 in the linked publication. ‘History’ refers to the mother’s natal environment, ‘Treatment’ to the carcass provided for her first breeding attempt. The weight of the female beetle (‘Mother_weight’) and the mouse carcass (pre-aging) (‘Mouse_weight’) are given. Brood size refers to the number of successfully dispersing offspring
