Notes on British Microgastrinae (Hymenoptera: Braconidae): one out, one in

Key Points

• The research aims to clarify the status of two Microgastrinae species in Britain.
• Identification and correction of species records based on rearing data.
• Documentation of the first record of Rasivalva desueta in Britain.
• Cotesia ordinaria was incorrectly identified as British and is now removed from the list.
• First rearing of Rasivalva desueta confirms its presence in Britain, suggesting further interest in its annual life cycle.