| Margrethia | |
|---|---|
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| |
| Bighead Portholefish (M. obtusirostra) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hymenoptera |
| Family: | Formicidae |
| Subfamily: | Formicinae |
| Tribe: | Camponotini |
| Genus: | Margrethia Jespersen & Tåning, 1919 |
Margrethia is a genus of bristlemouths.