Figure 4 from: Hita Garcia F, Fisher BL (2015) Taxonomy of the hyper-diverse ant genus Tetramorium Mayr in the Malagasy region (Hymenoptera, Formicidae, Myrmicinae) – first record of the T. setigerum species group and additions to the Malagasy species groups with an updated illustrated identification key. ZooKeys 512: 121-153. https://doi.org/10.3897/zookeys.512.9860

Figure 4 - Anterior head in dorsal view (anterior clypeal margin within black ellipses). A Tetramorium bicarinatum (CASENT0060334) B Tetramorium mahafaly (CASENT0448984) C Tetramorium simillimum (CASENT0135001).