| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Hexapoda |
| Class: Insecta |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Hymenoptera |
| Suborder: Apocrita |
| Superfamily: Ichneumonoidea |
| Family: Braconidae |
| Subfamily: Microgastrinae |
| Tribe: Microgastrini |
| Genus: Cotesia |
| Subject: Cotesia congregata (Say) |
| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Hexapoda |
| Class: Insecta |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Lepidoptera |
| Superfamily: Bombycoidea |
| Family: Sphingidae |
| Subfamily: Sphinginae |
| Tribe: Sphingini |
| Genus: Ceratomia |
| Subject: Ceratomia catalpae (Boisduval) |