Body length 13mm. A fairly large, bright orange ichneumon with a black tip to the abdomen, and two orange sclerites at the front of each fore-wing.
Can often be found in marshy, well vegetated environments. They are nocturnal but the males can often be seen by day. Their main parasite prey is Noctuid moths.
Status and distribution
Fairly well distributed across most of Britain, but poorly recorded. Recorded once at Netherfield Lagoons.
Best time to see
June to September.