Figure 3 from: Heterick B, Castalanelli M, Shattuck S (2017) Revision of the ant genus Melophorus (Hymenoptera, Formicidae). ZooKeys 700: 1-420. https://doi.org/10.3897/zookeys.700.11784

<p>Figure 3 - Frons of head of Melophorus showing structures mentioned in this monograph: AS antennal scape AT apical tooth BT basal tooth CI compound eye CS clypeal psammophore, consisting of a fringe of setae (nb. only those on RHS of head labelled) FC frontal carina FT frontal triangle M mandible OT ocellar triangle, consisting of three ocelli (simple eyes) T torulus TP tentorial pit; 2, 3, 4, tooth sequence commencing from the apical tooth.</p>