Jerarquía taxonómica:
Ichneumonidae → Therion fuscipenne (Norton, 1863)

Familia:
Ichneumonidae

Autor:
(Norton, 1863)

Sinónimos:
Therion confusum (Ashmead, 1890)
Therion acronyctae (Ashmead, 1896)
Therion verticale (Morley, 1913)