Mortality responses of 3‐day‐old eggs and 1st, 3rd, and 5th instars of three leafroller (Lepidoptera: Tortricidae) pests, infesting kiwifruit (Actinidia deliciosa) after exposure to a high‐temperature controlled atmosphere (2% O2with 5% CO2at 40°C) were determined. All four life stages ofCnephasia jactatana(Walker) had similar mortality responses to controlled atmosphere (CA) treatment at the 99% mortality level. Fifth instars ofCtenopseustis obliquana(Walker) were more tolerant than the other three life stages tested.Epiphyas postvittana(Walker) showed a trend of increasing exposure time to achieve 99% mortality as development progressed.E. postvittanawas more tolerant of CA treatment thanC. obliquanaandC. jactatana. An exposure time of 6 h resulted in control (> 99% mortality) ofC. jactatanaandC. obliquanahowever, did not control all life stages ofE. postvittana. There is potential to combine a short high‐temperature CA treatment with a longer period of low‐temperature CA storage to control all three species.