Ant key 11
Subfamily Myrmicinae
Genus Monomorium
| Propodeum, mesopleuron and metapleuron all reticulate (pitted), Length 0.8-1.33mm. Established in Tauranga in 2003. | Monomorium sydneyense |
| Propodeum, mesopleuron and metapleuron smooth, not pitted. Length 1.6mm. | Monomorium fieldi |
