| Kingdom: Animalia |
| Phylum: Arthropoda |
| Subphylum: Hexapoda |
| Class: Insecta |
| Infraclass: Neoptera |
| Subclass: Pterygota |
| Order: Hemiptera |
| Suborder: Heteroptera |
| Infraorder: Pentatomomorpha |
| Superfamily: Pentatomoidea |
| Family: Pentatomidae |
| Subfamily: Pentatominae |
| Tribe: Pentatomini |
| Genus: Oebalus |
| Subject: Oebalus pugnax (Fabricius) |
| Kingdom: Plantae |
| Phylum: Magnoliophyta |
| Class: Magnoliopsida |
| Subclass: Asteridae |
| Order: Asterales |
| Family: Asteraceae |
| Genus: Helianthus |
| Subject: Helianthus annuus L. |