Symphyta (except Tenthredinidae) – Hymenoptera

The Vespoid Wasps (Tiphiidae, Mutillidae, Sapygidae, Scoliidae and Vespidae) of the British Isles

The Banchine Wasps (Ichneumonidae: Banchinae) of the British Isles

Ichneumonid Wasps (Hymenoptera: Ichneumonidae): their Classification and Biology