Key to Australian species of Agrianome

1. Antennomere 3 extremely long, distinctly longer than antennomeres 4 and 5 combined, ventral surface bearing dense spines (Fig. 2G)...... A. loriae

–. Antennomere 3 as long as or shorter than antennomeres 4 and 5 combined, ventral surface mostly smooth, rarely with one or two spines in males... 2

2. Anterior margin of pronotum strongly emarginate; protibia without lateral spines; Lord Howe Island............................... A. howei

–. Anterior margin of pronotum weakly emarginate; protibia with dense lateral spines; widely distributed on mainland of Australia .......... A. spinicollis