Ant key 40
Subfamily Formicinae
Genus Paratrechina
| Scapes surpassing the rear margin of the head by less than half their length (Fig. a). 2 undescribed Australian species. | |
| Scapes surpassing the rear margin of the head by two-thirds their length or more (Fig. b). Quarantine threat, several incursions (2001-03) have been detected in Auckland and Tauranga at the ports. An eradication attempt is currently underway. | P. longicornis |
